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Maar

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1883: 1955: 1211: 2072: 1203: 2033: 2053: 2011: 1579: 1776: 1989: 3325: 144: 2087: 514: 1970: 3349: 32: 334:. Hydromagmatic eruptions are increasingly explosive when the ratio of water to magma is low. Since permafrost melts slowly, it provides a steady source of water to the eruption while keeping the water to magma ratio low. This produces the prolonged, explosive eruptions that created these large maars. Examples of the Seward Peninsula maars include North Killeak Maar, South Killeak Maar, Devil Mountain Maar and Whitefish Maar. 1513: 506: 3096: 3361: 3337: 2223:(i.e. sea) and been introduced into local language during the Roman occupation of the West Eifel. See: Noll, H. (1967) "Maare und Maar-ähnliche Explosionskrater in Island. Ein Vergleich mit dem Maar-Vulkanismus der Eifel" (Maars and maar-like explosion craters in Iceland. A comparison with the maar-volcanism of the Eifel.), Special publication of the Geological Institute of the University of Köln, p. 1. 129: 498: 325:
in northwest Alaska. These maars range in size from 4 to 8 km (2.5 to 5.0 mi) in diameter and a depth up to 300 m (980 ft). These eruptions occurred in a period of about 100,000 years, with the youngest (the Devil Mountain Maar) occurring about 17,500 years ago. Their large size
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area of Germany. The word evolved from its first use in German in the modern geological sense in 1819 and is now used in English and in the geological sciences as the term for the explosion crater, even if water from rainfall might always have drained from the crater after the formation event. This
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intrusion to create an explosion crater, the name came to be used for the crater type as well. The present definition of the term relates to both its common and scientific discourse use in language over two centuries. Depending upon context there may be other descriptors available to use in the
305:) which has dried out during the last century and is being renaturalised into a maar. In some cases the underlying rock is so porous that maar lakes are unable to form. After winters of heavy snow and rainfall many dry maars fill partially and temporarily with water; others contain small 2187:(Also two noteworthy lakes are in the Eifel, one by the Ulmen castle, and another by the monastery at Laich ; they are very deep ; have no streams flowing in but many flowing out ; one calls them "maars" and are rich in fish.) 2185:"Item zwen namhafftiger seen seind in der Eyfel / einer bey de schloß Ulmen / und ein ander bey dem Closter züm Laich / die seind sere tieff / habe kein ynflüß aber vil außflüß / die nennet man Marh unnd seind fischreich." 525:
there are about 75 maars. Both lake-filled and dry maars are typical, though the latter are more common. The last eruptions took place at least 11,000 years ago, and many maars are older, as evidenced by their heavy
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Lenhardt, N.; Borah, S.B.; Lenhardt, S.Z.; Bumby, A.J.; Ibinoof, M.A.; Salih, S.A. (2018). "The monogenetic Bayuda Volcanic Field, Sudan – New insights into geology and volcanic morphology".
1882: 1504:, the Hammerunterwiesenthal Maar formed about 30 million years ago during the Oligocene; the maar measures 2 kilometres from east to west and 1.4 kilometres from north to south. 197:) across and from 5 to 200 m (20 to 700 ft) deep. Most maars fill with water to form natural lakes. Most maars have low rims composed of a mixture of loose fragments of 2032: 266:
fills the funnel-shaped and usually round hollow of the maar depression formed by volcanic explosions. Examples of these types of maar are the three maars at Daun in the
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extension in meaning was due to recognising that the lake may no longer exist. Since maar lakes are formed after initially ground or subsurface water interacts with a
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that occupies a flat-floored crater about 6,500 ft (2,000 m) across and 400 ft (120 m) deep. Its low rim is composed of loose pieces of
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Neumann, F.; Schölzel, C.; Litt, T.; Hense, A.; Stein, M. (2007). "Holocene vegetation and climate history of the northern Golan heights (Near East)".
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The following volcanic features are often colloquially referred to as a "maar" or "maar lake", although they are not, strictly speaking, maars:
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Maar volcanoes are distinguished from other small volcanoes in having craters with their floor lying below the pre-eruptive surface
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volcanoes. These last are volcanoes produced by explosive eruptions that cut deeply into the country rock with the maar being "
2827: 2520: 2801: 1488:(the Swabian Volcano) there are maar-forming volcanoes. Because the over 350 eruption points were only active in the Upper 426: 2954: 2154: 2590: 2194:(1794–1874), a secondary-school teacher from Trier, coined the term "maar" in its modern sense. See: Steininger, J., 1988: 2927: 2922: 2738: 2284: 1548: 115: 2482: 2297:
Lorenz, V. (October 1986). "On the growth of maars and diatremes and its relevance to the formation of tuff rings".
2615:"Complex subvolcanic magma plumbing system of an alkali basaltic maar-diatreme volcano (Elie Ness, Fife, Scotland)" 2384: 2071: 96: 3365: 68: 1969: 1911:, is an important fossil site, but there are many more maars in New Zealand. As already mentioned these include 3387: 2092: 1936: 974: 831: 53: 2490: 2234: 75: 2202: 1799: 1708: 2614: 3397: 1551:
in Spain contains numerous maars; a typical example being the maar of Hoya del Mortero at Poblete in the
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The three maars at Daun (from front to rear): the Gemündener, Weinfelder and Schalkenmehrener Maar
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Horst Noll, a geologist at the University of Köln (Cologne), Germany, said that the local term
2191: 1807: 2776: 2039: 1876:, whose complex system of nested maars is enclosed by one of the largest maars in the world. 1501: 1389: 1331: 994: 446: 49: 20: 1633: 2877: 2711: 2668: 2626: 2399: 2352: 2343:
Lorenz, Volker (January 2007). "Syn- and posteruptive hazards of maar–diatreme volcanoes".
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In Germany there are also several maars outside of the Eifel. A well-known example is the
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Grainger, David J. (January 1996). "Al Wahbah volcanic explosion crater, Saudi Arabia".
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was for many years thought to be a maar of volcanic origin but it is now known to be an
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In Central Mexico, the Tarascan volcanic field contains several maars in the states of
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in the Philippines, though originally thought to be a volcanic crater, is a maar. The
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on the Seward Peninsula in western Alaska – the largest maar-based lakes in the world
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Gernon, T M; Upton, B G J; Ugra, R; Yucel, C; Taylor, R N; Elliot, H (2016).
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Inakura, Hirohito; Naruo, Hideto; Okuno, Mitsuru; Kobayashi, Tetsuo (2014).
2230:(Stuttgart, Germany: Schweizerbart'sche Verlagsbuchhandlung, 1986), p. 311. 3288: 3232: 3070: 3002: 2118: – Landform of ejecta from a volcanic vent piled up in a conical shape 1994: 1900: 1869: 1760: 1481: 1439: 1303: 1238: 1060: 582: 298: 182:). A maar characteristically fills with water to form a relatively shallow 2237:
On-line publication of Springer International Publishing, Berlin, Germany.
2205:(1797–1876) introduced the term "maar" into English. See: Scrope, G.P., 1684: 3182: 3137: 3112: 3020: 2992: 2982: 2739:"Eruptive History of Ikeda Volcano, Ibusuki Area, Southern Kyushu, Japan" 2172: 1912: 1908: 1838: 1827: 1823: 1704: 1700: 1532: 1492:
17 to 11 million years ago, all the maars, apart from the dry maar,
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or often artificial ponds that, however, only occupy part of the hollow.
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Lake at Tower Hill Wildlife Preserve, one of the world's largest maars
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Begét, James E.; Hopkins, David M.; Charron, Steven D. (March 1996),
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there is Kagamiike Pond as well as many on the volcanic island of
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fields throughout Canada. Another field of maars is found in the
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department of France, is easily visible from the ground or air.
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The Great Desert: Geology and Life on Mars and in the Southwest
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the crater cut into the ground and surrounded by an ejecta ring
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In the Eifel and Volcanic Eifel there are numerous dry maars:
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In the US there are numerous maar areas, such as in Alaska (
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volcano in Indonesia. The San Pablo Volcanic Field in the
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and the Molach, are only detectable geologically. In the
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Active maar volcanoes are mainly known outside Europe.
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is a complex maar, and there is also a submarine maar (
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volcano. From South America, there are known maars in
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period. The location of one such maar was Elie Ness.
1435:, and the associated eruption site of the Hagelskaule 2612: 2432: 2243:states that the word "maar" derives from the Latin 56:. Unsourced material may be challenged and removed. 2861: 2828:"Dunedin's 'Pompeii' to be mined to make pig food" 533: 326:is due to the explosive reaction that occurs when 231:geological sciences such as the term tuff ring or 1400:, crater lakes of the Mosenberg (Eifel)|Mosenberg 421:rocks blasted upward from great depths. Maars in 239:". A 2011 geological clarification of a maar is " 3379: 221:dialect word used for the circular lakes of the 2743:Bulletin of the Volcanological Society of Japan 1377: 530:and less obvious shapes and volcanic features. 2870:Journal of Volcanology and Geothermal Research 2392:Journal of Volcanology and Geothermal Research 2345:Journal of Volcanology and Geothermal Research 2163:(1488–1552) first applied the word "maar" (as 1919:has other easily accessible maars such as the 2948: 2179:(Basel, Switzerland: Heinrich Petri, 1544), 1963:, one of the three maars originally described 2844: 2553:(in German). Kreis Ahrweiler. Archived from 2535:Seetiefe der Maare bei mittlerem Wasserstand 2338: 2336: 2275:David S.G. Thomas and Andrew Goudie (eds.), 2271: 2269: 2219:might even have derived from the Latin word 1306:(NW of the Dürre Maar, smallest Eifel maar; 281:results when a maar lake dries out, becomes 2730: 2606: 2480: 2378: 2376: 2374: 246: 2955: 2941: 1476:and which is known for its well preserved 1459: 189:Maars range in size from 20 to 3,000  2544: 2474: 2382: 2333: 2290: 2266: 1864:, Australia, has numerous maars, such as 1806:. These include the several maars of the 1718: 1197: 989:Deepest and largest maar lake in Germany 116:Learn how and when to remove this message 2850: 2701: 2469:, The Megalithic Portal, ed. A. Burnham 2371: 1830:(Furumio, Mi'ike, Mizutamari, Shinmio). 1774: 1577: 1511: 1209: 1201: 512: 504: 496: 142: 127: 2825: 2652: 2538: 1767:formed as a result of a maar eruption. 1731:; further south maars occur in Africa ( 1396:in the Manderscheid Volcano Group near 1362:Walsdorfer Maar ("Schilierwiese"; S of 1348:Steffelner Laach or "Laach Maar" (near 1296:Eigelbacher Maar (near Kopp, county of 3380: 2504: 2342: 2296: 2233:Herbert Lutz and Volker Lorenz (2013) 2198:(Mainz, (Germany): Kupferberg, 1819). 337:Maars occur in western North America, 2936: 2781:Tower Hill (Worn Gundidj Corporation) 2578: 2510: 1833:Koranga Maar and Numundo Maar are in 1321:= reed bed; N of the Immerather Maar) 445:, South America. and in the Sudanese 317:The largest known maars are found at 201:and rocks torn from the walls of the 3336: 2661:Vegetation History and Archaeobotany 2582:Volcanoes and the Making of Scotland 2568:Ungeklärte Herkunft des Rodder Maars 2277:The Dictionary of Physical Geography 2209:(London, England: Philipps, 1825), 2196:Geognostische Studien am Mittelrhein 2138: 1820:Myōkō-Togakushi Renzan National Park 427:Wells Gray-Clearwater volcanic field 54:adding citations to reliable sources 25: 3360: 2819: 2794: 2572: 2529: 2385:"Maar-diatreme volcanoes: A review" 2383:White, J.D.L.; Ross, P.-S. (2011). 2247:(sea), as does the German language 1849:in the Philippines contains maars. 1770: 1531:in France contains numerous maars; 850:Shallowest of all Eifel maar lakes 647:Smallest permanent Eifel maar lake 365:, are maars. The Crocodile Lake in 186:, which may also be called a maar. 13: 2769: 289:. An example of the latter is the 14: 3414: 2916: 1558:Active maars were commonplace in 1549:Campo de Calatrava Volcanic Field 1507: 1455:, the origin of which is unclear 1366:; maar basin: c. 1150 m × 1000 m) 1300:; maar basin: c. 1200 m × 1200 m) 3359: 3347: 3335: 3324: 3323: 3094: 2890:10.1016/j.jvolgeores.2018.03.010 2724:10.1046/j.1365-2451.1996.00006.x 2481:Treiman, A. (6 September 2003). 2412:10.1016/j.jvolgeores.2011.01.010 2365:10.1016/j.jvolgeores.2006.02.015 2279:(Oxford: Blackwell, 2000), 301. 2241:The American Heritage Dictionary 2147:According to German Knowledge's 2085: 2070: 2051: 2031: 2009: 1987: 1968: 1953: 1881: 1790:In Japan there are maars in the 1751:Volcanic Field in the Sudan and 1214:The Trockenmaar on the Hohe List 170:(an explosion which occurs when 30: 2695: 1747:-Volcanic Field, Ethiopia, the 1656:); as well as the maars of the 1417:Strohner Märchen (south of the 534:Water-filled maars of the Eifel 417:, as well as chunks of ancient 312: 41:needs additional citations for 2585:. Dunedin Academic Press Ltd. 2459: 2426: 2046:-rich clay on the crater floor 2038:El Muweilih Crater, a maar in 1121:Most recent maar in the Eifel 492: 1: 2962: 2899: 2826:Hancock, Farah (2019-05-10). 2491:Lunar and Planetary Institute 2260: 2153:article, in 1544 in his book 461:in the North Shore suburb of 357:and Hunt's Hole, in southern 254:, also referred to simply as 2639:10.1016/j.lithos.2016.08.001 2203:George Julius Poulett Scrope 2131: 1800:Kirishima-Yaku National Park 1442:, an almost entirely eroded 208: 174:comes into contact with hot 7: 2207:Considerations on Volcanoes 2175:. See: Sebastian Münster, 2100: 1573: 1216:(1 km SW of Schalkenmehren) 1206:Schalkenmehrener "dry" Maar 482: 10: 3419: 2911:USGS: Maars and tuff cones 2806:Victorian Resources Online 1946: 1837:. Kawah Masemo maar is on 1638:Death Valley National Park 1468:, a former maar lake near 1414:of the Laacher See volcano 487: 381:is another example, as is 18: 16:Low-relief volcanic crater 3319: 3261: 3103: 3092: 2970: 2906:USGS photo glossary: Maar 2681:10.1007/s00334-006-0046-x 1324:Gerolsteiner Maar (NE of 2998:Cryptovolcanic structure 2851:Beanland, Sarah (1981). 2777:"History & Heritage" 2579:Upton, B. G. J. (2015). 2465:C. Michael Hogan (2008) 1854:Newer Volcanics Province 1378:Broader use of the term 1369:Wollmerather Maar (near 1341:Schönfelder Maar (SW of 439:Pali-Aike Volcanic Field 330:comes into contact with 247:Maar lakes and dry maars 168:phreatomagmatic eruption 134:phreatomagmatic eruption 3279:Eruptions by death toll 2755:10.18940/kazan.59.4_255 2511:Meyer, Wilhelm (1986). 2299:Bulletin of Volcanology 2063:Potrillo volcanic field 1917:Auckland volcanic field 1587:Potrillo volcanic field 1553:Province of Ciudad Real 1460:Maars outside the Eifel 1425:which has become a maar 1268:Duppacher Weiher (near 451:Auckland volcanic field 2923:List of Maar Volcanoes 2854:The Rotokawau eruption 1808:Ibusuki volcanic field 1798:volcanic field in the 1787: 1719:Middle East and Africa 1590: 1566:, Scotland during the 1524: 1217: 1207: 1198:Dry maars of the Eifel 518: 510: 502: 341:in South America, the 152: 140: 3388:Depressions (geology) 2040:Bayuda volcanic field 1778: 1733:Bilate Volcanic Field 1581: 1515: 1502:Hammerunterwiesenthal 1480:. In addition in the 1390:Windsborn Crater Lake 1332:Schalkenmehrener Maar 1213: 1205: 1028:Schalkenmehrener Maar 995:Schalkenmehrener Maar 517:Schalkenmehrener Maar 516: 508: 500: 453:in the urban area of 447:Bayuda Volcanic Field 146: 131: 21:Maar (disambiguation) 1941:Bay of Plenty Region 1707:in northern Chile). 1149:50.17639°N 6.85028°E 1083:50.21000°N 6.98306°E 1017:50.16944°N 6.85806°E 947:50.13111°N 6.92611°E 878:50.10056°N 6.75639°E 808:50.12194°N 6.95861°E 780:Crossed by a stream 738:50.11917°N 6.87861°E 675:50.17750°N 6.83639°E 605:50.27194°N 6.56500°E 413:) of the underlying 149:Devil Mountain Lakes 50:improve this article 19:For other uses, see 2882:2018JVGR..356..211L 2716:1996GeolT..12...27G 2673:2007VegHA..16..329N 2631:2016Litho.264...70G 2551:Heimatjahrbuch 2006 2454:10.14430/arctic1184 2404:2011JVGR..201....1W 2357:2007JVGR..159..285L 2311:1986BVol...48..265L 1144: /  1078: /  1012: /  942: /  873: /  803: /  733: /  670: /  600: /  3398:Volcanic landforms 3274:Lists of volcanoes 3061:Subglacial volcano 3036:Pyroclastic shield 2513:Geologie der Eifel 2319:10.1007/BF01081755 2228:Geologie der Eifel 2017:El Elegante Crater 1843:Province of Laguna 1788: 1780:Blue Lake / Warwar 1757:Oku Volcanic Field 1630:Hole-in-the-Ground 1624:with the maars of 1614:Battle Ground Lake 1591: 1525: 1355:Dehner Maar (near 1313:Immerather Risch ( 1279:Geeser Maar (E of 1218: 1208: 519: 511: 503: 219:Moselle Franconian 193:(66 to 9,800  153: 141: 3375: 3374: 3128:Basaltic andesite 3066:Submarine volcano 2928:La Vestide du Pal 2522:978-3-510-65127-6 2483:"Meteor Crater I" 2249:Universal Lexikon 2192:Johann Steininger 2161:Sebastian Münster 1856:in the States of 1845:on the island of 1786:, South Australia 1759:in Cameroon). In 1668:volcanic fields ( 1658:White Rock Canyon 1474:Darmstadt-Dieburg 1472:in the county of 1315:Middle Low German 1235:Booser Doppelmaar 1227:(4 km SE of 1225:Mosbrucher Weiher 1195: 1194: 1154:50.17639; 6.85028 1088:50.21000; 6.98306 1022:50.16944; 6.85806 952:50.13111; 6.92611 883:50.10056; 6.75639 813:50.12194; 6.95861 743:50.11917; 6.87861 680:50.17750; 6.83639 610:50.27194; 6.56500 425:are found in the 301:(also called the 126: 125: 118: 100: 3410: 3403:Volcanic craters 3363: 3362: 3351: 3339: 3338: 3327: 3326: 3284:Decade Volcanoes 3262:Lists and groups 3253:Pyroclastic flow 3248:Pyroclastic fall 3098: 3031:Pyroclastic cone 2957: 2950: 2943: 2934: 2933: 2894: 2893: 2865: 2859: 2858: 2848: 2842: 2841: 2839: 2838: 2823: 2817: 2816: 2814: 2812: 2798: 2792: 2791: 2789: 2787: 2773: 2767: 2766: 2734: 2728: 2727: 2699: 2693: 2692: 2656: 2650: 2649: 2647: 2645: 2610: 2604: 2603: 2601: 2599: 2576: 2570: 2565: 2563: 2562: 2542: 2536: 2533: 2527: 2526: 2508: 2502: 2501: 2499: 2497: 2478: 2472: 2463: 2457: 2456: 2439: 2430: 2424: 2423: 2389: 2380: 2369: 2368: 2351:(1–3): 285–312. 2340: 2331: 2330: 2294: 2288: 2273: 2254: 2142: 2121: 2112: 2089: 2074: 2055: 2035: 2013: 1991: 1972: 1957: 1885: 1835:Papua New Guinea 1771:Asia and Oceania 1765:Al Wahbah crater 1188:Also called the 1185: 1180: 1168: 1167: 1165: 1164: 1163: 1161: 1156: 1155: 1150: 1145: 1142: 1141: 1140: 1137: 1118: 1113: 1102: 1101: 1099: 1098: 1097: 1095: 1090: 1089: 1084: 1079: 1076: 1075: 1074: 1071: 1053: 1048: 1036: 1035: 1033: 1032: 1031: 1029: 1024: 1023: 1018: 1013: 1010: 1009: 1008: 1005: 986: 981: 966: 965: 963: 962: 961: 959: 954: 953: 948: 943: 940: 939: 938: 935: 917: 912: 897: 896: 894: 893: 892: 890: 885: 884: 879: 874: 871: 870: 869: 866: 847: 842: 827: 826: 824: 823: 822: 820: 815: 814: 809: 804: 801: 800: 799: 796: 777: 772: 757: 756: 754: 753: 752: 750: 745: 744: 739: 734: 731: 730: 729: 726: 708: 703: 694: 693: 691: 690: 689: 687: 682: 681: 676: 671: 668: 667: 666: 663: 644: 639: 624: 623: 621: 620: 619: 617: 612: 611: 606: 601: 598: 597: 596: 593: 574: 564: 554: 547: 538: 537: 431:British Columbia 429:of east-central 377:in northwestern 323:Seward Peninsula 159:is a broad, low- 136:that formed the 121: 114: 110: 107: 101: 99: 58: 34: 26: 3418: 3417: 3413: 3412: 3411: 3409: 3408: 3407: 3378: 3377: 3376: 3371: 3315: 3257: 3223:Tephriphonolite 3099: 3090: 3086:Harmonic tremor 2988:Complex volcano 2966: 2961: 2919: 2902: 2897: 2866: 2862: 2849: 2845: 2836: 2834: 2824: 2820: 2810: 2808: 2800: 2799: 2795: 2785: 2783: 2775: 2774: 2770: 2735: 2731: 2700: 2696: 2657: 2653: 2643: 2641: 2611: 2607: 2597: 2595: 2593: 2577: 2573: 2560: 2558: 2545:Wilhelm Meyer. 2543: 2539: 2534: 2530: 2523: 2509: 2505: 2495: 2493: 2479: 2475: 2464: 2460: 2437: 2431: 2427: 2387: 2381: 2372: 2341: 2334: 2295: 2291: 2274: 2267: 2263: 2258: 2257: 2226:Wilhelm Meyer, 2143: 2139: 2134: 2119: 2110: 2103: 2096: 2090: 2081: 2075: 2066: 2056: 2047: 2036: 2027: 2014: 2005: 1992: 1983: 1973: 1964: 1961:Weinfelder Maar 1958: 1949: 1898: 1897: 1896: 1891: 1886: 1858:South Australia 1773: 1721: 1680:in New Mexico. 1622:Fort Rock basin 1576: 1547:in Greece. The 1537:Alban Mountains 1529:Chaîne des Puys 1521:Chaîne des Puys 1517:Gour de Tazenat 1510: 1462: 1453:Niederdürenbach 1438:Elfenmaar near 1433:volcanic crater 1383: 1241:; near Kelberg) 1215: 1200: 1160:Weinfelder Maar 1159: 1157: 1153: 1151: 1147: 1146: 1143: 1138: 1135: 1133: 1131: 1130: 1127:Weinfelder Maar 1093: 1091: 1087: 1085: 1081: 1080: 1077: 1072: 1069: 1067: 1065: 1064: 1027: 1025: 1021: 1019: 1015: 1014: 1011: 1006: 1003: 1001: 999: 998: 957: 955: 951: 949: 945: 944: 941: 936: 933: 931: 929: 928: 889:Meerfelder Maar 888: 886: 882: 880: 876: 875: 872: 867: 864: 862: 860: 859: 856:Meerfelder Maar 819:Immerather Maar 818: 816: 812: 810: 806: 805: 802: 797: 794: 792: 790: 789: 786:Immerather Maar 748: 746: 742: 740: 736: 735: 732: 727: 724: 722: 720: 719: 686:Gemündener Maar 685: 683: 679: 677: 673: 672: 669: 664: 661: 659: 657: 656: 653:Gemündener Maar 615: 613: 609: 607: 603: 602: 599: 594: 591: 589: 587: 586: 569: 568: 559: 558: 552: 551: 545:Geo-coordinates 543: 542: 536: 509:Weinfelder Maar 495: 490: 485: 315: 249: 211: 164:volcanic crater 122: 111: 105: 102: 59: 57: 47: 35: 24: 17: 12: 11: 5: 3416: 3406: 3405: 3400: 3395: 3390: 3373: 3372: 3370: 3369: 3357: 3345: 3333: 3320: 3317: 3316: 3314: 3313: 3312: 3311: 3306: 3299:Volcanic field 3296: 3291: 3286: 3281: 3276: 3271: 3265: 3263: 3259: 3258: 3256: 3255: 3250: 3245: 3240: 3235: 3230: 3228:Trachyandesite 3225: 3220: 3215: 3210: 3205: 3200: 3195: 3190: 3185: 3180: 3175: 3170: 3165: 3160: 3155: 3150: 3145: 3140: 3135: 3130: 3125: 3120: 3115: 3109: 3107: 3105:Volcanic rocks 3101: 3100: 3093: 3091: 3089: 3088: 3083: 3078: 3073: 3068: 3063: 3058: 3053: 3048: 3046:Shield volcano 3043: 3038: 3033: 3028: 3026:Parasitic cone 3023: 3018: 3013: 3008: 3005: 3000: 2995: 2990: 2985: 2980: 2974: 2972: 2968: 2967: 2960: 2959: 2952: 2945: 2937: 2931: 2930: 2925: 2918: 2917:External links 2915: 2914: 2913: 2908: 2901: 2898: 2896: 2895: 2860: 2843: 2818: 2793: 2768: 2749:(4): 255–268. 2729: 2694: 2667:(4): 329–346. 2651: 2605: 2592:978-1780465418 2591: 2571: 2547:"Die Geologie" 2537: 2528: 2521: 2503: 2473: 2458: 2425: 2370: 2332: 2305:(5): 265–274. 2289: 2264: 2262: 2259: 2256: 2255: 2253: 2252: 2238: 2231: 2224: 2213: 2199: 2188: 2183:From p. 341: 2136: 2135: 2133: 2130: 2129: 2128: 2122: 2113: 2102: 2099: 2098: 2097: 2095:in New Zealand 2093:Lake Rotokawau 2091: 2084: 2082: 2076: 2069: 2067: 2057: 2050: 2048: 2037: 2030: 2028: 2021:Sonoran Desert 2015: 2008: 2006: 1993: 1986: 1984: 1974: 1967: 1965: 1959: 1952: 1948: 1945: 1937:Lake Rotokawau 1921:Mangere Lagoon 1888: 1887: 1880: 1879: 1878: 1772: 1769: 1720: 1717: 1678:Zuñi Salt Lake 1670:Kilbourne Hole 1646:Ubehebe Crater 1583:Kilbourne Hole 1575: 1572: 1509: 1508:Rest of Europe 1506: 1494:Randecker Maar 1461: 1458: 1457: 1456: 1446: 1436: 1426: 1415: 1401: 1382: 1376: 1375: 1374: 1367: 1360: 1353: 1346: 1339: 1336:Schalkenmehren 1329: 1322: 1311: 1301: 1294: 1287:Eckfelder Maar 1284: 1277: 1266: 1256: 1245:Dreiser Weiher 1242: 1232: 1199: 1196: 1193: 1192: 1186: 1181: 1176: 1174:Schalkenmehren 1170: 1123: 1122: 1119: 1114: 1109: 1104: 1057: 1056: 1054: 1049: 1044: 1042:Schalkenmehren 1038: 991: 990: 987: 982: 977: 968: 921: 920: 918: 913: 908: 899: 852: 851: 848: 843: 838: 829: 782: 781: 778: 773: 768: 759: 712: 711: 709: 704: 699: 696: 649: 648: 645: 640: 635: 626: 579: 578: 575: 565: 555: 548: 535: 532: 523:Volcanic Eifel 494: 491: 489: 486: 484: 481: 383:Zuñi Salt Lake 371:carbon dioxide 363:El Paso, Texas 355:Kilbourne Hole 314: 311: 291:Eckfelder Maar 248: 245: 210: 207: 199:volcanic rocks 124: 123: 38: 36: 29: 15: 9: 6: 4: 3: 2: 3415: 3404: 3401: 3399: 3396: 3394: 3391: 3389: 3386: 3385: 3383: 3368: 3367: 3358: 3356: 3355: 3350: 3346: 3344: 3343: 3334: 3332: 3331: 3322: 3321: 3318: 3310: 3307: 3305: 3302: 3301: 3300: 3297: 3295: 3294:Volcanic belt 3292: 3290: 3287: 3285: 3282: 3280: 3277: 3275: 3272: 3270: 3267: 3266: 3264: 3260: 3254: 3251: 3249: 3246: 3244: 3241: 3239: 3236: 3234: 3231: 3229: 3226: 3224: 3221: 3219: 3216: 3214: 3211: 3209: 3206: 3204: 3201: 3199: 3198:Phonotephrite 3196: 3194: 3191: 3189: 3186: 3184: 3181: 3179: 3176: 3174: 3171: 3169: 3166: 3164: 3161: 3159: 3156: 3154: 3151: 3149: 3146: 3144: 3141: 3139: 3136: 3134: 3131: 3129: 3126: 3124: 3121: 3119: 3116: 3114: 3111: 3110: 3108: 3106: 3102: 3097: 3087: 3084: 3082: 3081:Volcanic cone 3079: 3077: 3074: 3072: 3069: 3067: 3064: 3062: 3059: 3057: 3056:Stratovolcano 3054: 3052: 3051:Somma volcano 3049: 3047: 3044: 3042: 3041:Rootless cone 3039: 3037: 3034: 3032: 3029: 3027: 3024: 3022: 3019: 3017: 3014: 3012: 3009: 3006: 3004: 3001: 2999: 2996: 2994: 2991: 2989: 2986: 2984: 2981: 2979: 2976: 2975: 2973: 2969: 2965: 2958: 2953: 2951: 2946: 2944: 2939: 2938: 2935: 2929: 2926: 2924: 2921: 2920: 2912: 2909: 2907: 2904: 2903: 2891: 2887: 2883: 2879: 2875: 2871: 2864: 2856: 2855: 2847: 2833: 2829: 2822: 2807: 2803: 2797: 2782: 2778: 2772: 2764: 2760: 2756: 2752: 2748: 2744: 2740: 2733: 2725: 2721: 2717: 2713: 2709: 2705: 2704:Geology Today 2698: 2690: 2686: 2682: 2678: 2674: 2670: 2666: 2662: 2655: 2640: 2636: 2632: 2628: 2624: 2620: 2616: 2609: 2594: 2588: 2584: 2583: 2575: 2569: 2557:on 2016-05-25 2556: 2552: 2548: 2541: 2532: 2524: 2518: 2514: 2507: 2492: 2488: 2484: 2477: 2471: 2468: 2462: 2455: 2451: 2447: 2443: 2436: 2429: 2421: 2417: 2413: 2409: 2405: 2401: 2398:(1–4): 1–29. 2397: 2393: 2386: 2379: 2377: 2375: 2366: 2362: 2358: 2354: 2350: 2346: 2339: 2337: 2328: 2324: 2320: 2316: 2312: 2308: 2304: 2300: 2293: 2286: 2285:0-631-20473-3 2282: 2278: 2272: 2270: 2265: 2250: 2246: 2242: 2239: 2236: 2232: 2229: 2225: 2222: 2218: 2214: 2212: 2208: 2204: 2200: 2197: 2193: 2189: 2186: 2182: 2178: 2174: 2170: 2166: 2162: 2158: 2157: 2152: 2151: 2146: 2145: 2141: 2137: 2126: 2123: 2117: 2114: 2108: 2105: 2104: 2094: 2088: 2083: 2079: 2078:Big Soda Lake 2073: 2068: 2065:of New Mexico 2064: 2060: 2054: 2049: 2045: 2041: 2034: 2029: 2026: 2022: 2018: 2012: 2007: 2004: 2000: 1999:Amhara Region 1996: 1990: 1985: 1982: 1981:Golan Heights 1978: 1971: 1966: 1962: 1956: 1951: 1950: 1944: 1942: 1938: 1934: 1933:Pukaki Lagoon 1930: 1929:Panmure Basin 1926: 1922: 1918: 1914: 1910: 1906: 1902: 1894: 1890: 1884: 1877: 1875: 1871: 1867: 1866:Mount Gambier 1863: 1859: 1855: 1850: 1848: 1844: 1840: 1836: 1831: 1829: 1825: 1821: 1817: 1813: 1809: 1805: 1801: 1797: 1793: 1785: 1784:Mount Gambier 1781: 1777: 1768: 1766: 1762: 1758: 1754: 1750: 1746: 1742: 1738: 1734: 1730: 1729:Golan Heights 1726: 1716: 1714: 1711:is a maar in 1710: 1706: 1702: 1698: 1694: 1690: 1686: 1681: 1679: 1675: 1671: 1667: 1663: 1659: 1655: 1651: 1647: 1643: 1639: 1635: 1631: 1627: 1623: 1619: 1615: 1611: 1607: 1603: 1599: 1598:Ukinrek maars 1594: 1589:of New Mexico 1588: 1584: 1580: 1571: 1569: 1568:Carboniferous 1565: 1561: 1556: 1554: 1550: 1546: 1542: 1538: 1534: 1530: 1522: 1518: 1514: 1505: 1503: 1499: 1498:Ore Mountains 1495: 1491: 1487: 1483: 1479: 1475: 1471: 1467: 1454: 1450: 1447: 1445: 1444:stratovolcano 1441: 1437: 1434: 1430: 1427: 1424: 1423:volcanic pipe 1420: 1416: 1413: 1409: 1405: 1402: 1399: 1395: 1391: 1388: 1387: 1386: 1381: 1372: 1368: 1365: 1361: 1358: 1354: 1351: 1347: 1344: 1340: 1337: 1333: 1330: 1327: 1323: 1320: 1316: 1312: 1309: 1305: 1302: 1299: 1295: 1292: 1288: 1285: 1282: 1278: 1275: 1271: 1267: 1264: 1260: 1257: 1254: 1250: 1246: 1243: 1240: 1236: 1233: 1230: 1226: 1223: 1222: 1221: 1212: 1204: 1191: 1187: 1182: 1177: 1175: 1171: 1166: 1128: 1125: 1124: 1120: 1115: 1110: 1108: 1105: 1100: 1062: 1059: 1058: 1055: 1050: 1045: 1043: 1039: 1034: 996: 993: 992: 988: 983: 978: 976: 972: 969: 964: 926: 923: 922: 919: 914: 909: 907: 903: 900: 895: 857: 854: 853: 849: 844: 839: 837: 833: 830: 825: 787: 784: 783: 779: 774: 769: 767: 763: 760: 755: 717: 714: 713: 710: 705: 700: 697: 692: 654: 651: 650: 646: 641: 636: 634: 630: 627: 622: 584: 581: 580: 576: 573: 566: 563: 556: 549: 546: 540: 539: 531: 529: 524: 515: 507: 499: 480: 478: 477:impact crater 474: 473:Meteor Crater 470: 466: 464: 460: 456: 452: 448: 444: 440: 436: 432: 428: 424: 420: 416: 412: 408: 404: 400: 396: 392: 388: 384: 380: 376: 372: 368: 364: 360: 356: 352: 348: 344: 340: 335: 333: 329: 324: 320: 310: 308: 304: 300: 296: 292: 288: 284: 280: 275: 273: 270:mountains of 269: 265: 264:precipitation 261: 258:, occur when 257: 253: 244: 242: 238: 234: 233:maar-diatreme 229: 224: 220: 217:comes from a 216: 206: 204: 200: 196: 192: 187: 185: 181: 177: 173: 169: 165: 162: 158: 150: 145: 139: 138:Ukinrek maars 135: 130: 120: 117: 109: 98: 95: 91: 88: 84: 81: 77: 74: 70: 67: –  66: 62: 61:Find sources: 55: 51: 45: 44: 39:This article 37: 33: 28: 27: 22: 3364: 3352: 3340: 3328: 3289:Volcanic arc 3233:Trachybasalt 3071:Supervolcano 3015: 3003:Fissure vent 2873: 2869: 2863: 2853: 2846: 2835:. Retrieved 2831: 2821: 2809:. Retrieved 2805: 2802:"Tower Hill" 2796: 2784:. Retrieved 2780: 2771: 2746: 2742: 2732: 2710:(1): 27–30. 2707: 2703: 2697: 2664: 2660: 2654: 2644:16 September 2642:. Retrieved 2622: 2618: 2608: 2596:. Retrieved 2581: 2574: 2567: 2559:. Retrieved 2555:the original 2550: 2540: 2531: 2512: 2506: 2494:. Retrieved 2486: 2476: 2466: 2461: 2448:(1): 62–69, 2445: 2441: 2428: 2395: 2391: 2348: 2344: 2302: 2298: 2292: 2276: 2244: 2227: 2220: 2216: 2206: 2195: 2184: 2177:Cosmographia 2176: 2169:Ulmener Maar 2164: 2156:Cosmographia 2155: 2149: 2140: 1997:, a maar in 1995:Zengena Lake 1975:The maar at 1925:Orakei Basin 1901:Foulden Maar 1899: 1870:Mount Schank 1851: 1832: 1789: 1782:, a maar at 1761:Saudi Arabia 1727:lies on the 1723:The maar of 1722: 1682: 1662:Mount Taylor 1595: 1592: 1557: 1526: 1482:Swabian Jura 1463: 1440:Bad Bertrich 1410:, lake in a 1384: 1379: 1318: 1304:Hitsche Maar 1283:, N of Gees) 1219: 1189: 1094:Ulmener Maar 1061:Ulmener Maar 616:Eichholzmaar 583:Eichholzmaar 553:near/between 520: 467: 389:, a shallow 336: 316: 313:Distribution 302: 299:Eichholzmaar 278: 276: 255: 251: 250: 240: 236: 232: 214: 212: 188: 166:caused by a 156: 154: 132:The ten-day 112: 103: 93: 86: 79: 72: 60: 48:Please help 43:verification 40: 3366:WikiProject 3309:polygenetic 3304:monogenetic 3183:Nephelinite 3138:Blairmorite 3113:Agglomerate 3021:Mud volcano 2993:Cryovolcano 2983:Cinder cone 2876:: 211–224. 2496:22 February 2173:Laacher See 2059:Hunt's Hole 1913:Lake Pupuke 1909:New Zealand 1839:Mount Sempu 1828:Izu Islands 1824:Miyake-jima 1705:Cerro Tujle 1701:Cerro Overo 1674:Hunt's Hole 1533:Lake Albano 1449:Rodder Maar 1408:Maria Laach 1404:Laacher See 1394:Hinkelsmaar 1345:-Schönfeld) 1259:Dürres Maar 1249:Dreis-Brück 1152: / 1086: / 1020: / 950: / 881: / 836:Strotzbüsch 811: / 741: / 678: / 608: / 493:Eifel maars 459:Lake Pupuke 419:crystalline 391:saline lake 373:-saturated 260:groundwater 184:crater lake 172:groundwater 3382:Categories 3208:Rhyodacite 3158:Ignimbrite 3133:Benmoreite 2900:Literature 2837:2019-05-10 2561:2016-01-21 2261:References 1977:Birkat Ram 1915:, but the 1893:Tower Hill 1874:Tower Hill 1812:Lake Unagi 1725:Birket Ram 1709:Jayu Khota 1689:Guanajuato 1654:Soda Lakes 1642:California 1634:Table Rock 1610:Washington 1606:Bering Sea 1486:Albvorland 1466:Messel pit 1429:Papenkaule 1419:Pulvermaar 1398:Bettenfeld 1371:Wollmerath 1326:Gerolstein 1281:Gerolstein 1274:Gerolstein 1263:Gillenfeld 1172:Gemünden, 1158: ( 1136:50°10′35″N 1092: ( 1070:50°12′36″N 1040:Gemünden, 1026: ( 1004:50°10′10″N 971:Gillenfeld 958:Pulvermaar 956: ( 925:Pulvermaar 902:Deudesfeld 887: ( 817: ( 766:Gillenfeld 747: ( 684: ( 662:50°10′39″N 614: ( 592:50°16′19″N 435:kimberlite 399:wall rocks 387:New Mexico 359:New Mexico 345:region of 332:permafrost 303:Gussweiher 252:Maar lakes 76:newspapers 3193:Phonolite 3178:Leucitite 3163:Komatiite 3011:Lava dome 3007:Lava cone 2964:Volcanoes 2857:(Thesis). 2763:0453-4360 2689:129220670 2625:: 70–85. 2598:14 August 2467:Pali Aike 2420:0377-0273 2327:128423499 2201:In 1825, 2190:In 1819, 2167:) to the 2132:Footnotes 2116:Tuff cone 2107:Tuff ring 2080:in Nevada 2042:, Sudan: 1792:Kirishima 1753:Lake Nyos 1737:Haro Maja 1685:Michoacán 1545:Santorini 1343:Stadtkyll 1190:Totenmaar 1073:6°58′59″E 1007:6°51′29″E 937:6°55′34″E 934:50°7′52″N 868:6°45′23″E 798:6°57′31″E 795:50°7′19″N 728:6°52′43″E 665:6°50′11″E 595:6°33′54″E 443:Patagonia 411:limestone 403:sandstone 397:lava and 375:Lake Nyos 367:Los Baños 339:Patagonia 319:Espenberg 287:silted up 213:The name 209:Etymology 3330:Category 3238:Trachyte 3213:Rhyolite 3188:Obsidian 3118:Andesite 2832:Newsroom 2171:and the 2101:See also 2003:Ethiopia 1862:Victoria 1810:such as 1741:Butajiri 1693:Apoyeque 1666:Potrillo 1626:Big Hole 1574:Americas 1523:, France 1484:and the 1364:Walsdorf 1350:Steffeln 1272:, NW of 1139:6°51′1″E 975:Immerath 906:Meerfeld 865:50°6′2″N 832:Immerath 749:Holzmaar 725:50°7′9″N 716:Holzmaar 698:Gemünden 633:Steffeln 577:Remarks 550:Location 483:Examples 463:Takapuna 455:Auckland 415:diatreme 395:basaltic 379:Cameroon 295:Steffeln 283:aggraded 279:dry maar 203:diatreme 106:May 2024 3342:Commons 3269:Hotspot 3168:Lapilli 3153:Felsite 2978:Caldera 2878:Bibcode 2811:9 March 2786:9 March 2712:Bibcode 2669:Bibcode 2627:Bibcode 2400:Bibcode 2353:Bibcode 2307:Bibcode 2211:p. 166. 2181:p. 341. 2144:Notes: 2125:Caldera 2061:in the 1947:Gallery 1939:in the 1755:in the 1739:in the 1713:Bolivia 1676:), and 1604:in the 1602:Nunivak 1585:in the 1564:Lothian 1543:) near 1541:Kolumbo 1535:in the 1490:Miocene 1478:fossils 1412:caldera 1310:= 60 m) 1291:Eckfeld 1270:Duppach 1261:(SW of 1251:, N of 1229:Kelberg 762:Eckfeld 629:Duppach 528:erosion 521:In the 488:Germany 469:Arizona 433:and in 351:Ardèche 347:Germany 321:on the 297:is the 293:. Near 272:Germany 90:scholar 3354:Portal 3218:Tephra 3203:Pumice 3173:Latite 3148:Dacite 3143:Cinder 3123:Basalt 3076:Tossol 2761:  2687:  2619:Lithos 2589:  2519:  2442:Arctic 2418:  2325:  2283:  2150:"Maar" 2044:Natron 2025:México 1979:, the 1931:, and 1816:Honshu 1804:Kyushu 1749:Bayuda 1699:(e.g. 1664:, the 1650:Nevada 1648:); in 1636:); in 1618:Oregon 1616:); in 1608:); in 1470:Messel 1334:E (of 1289:(near 1247:(W of 1237:(W of 449:. The 423:Canada 161:relief 92:  85:  78:  71:  65:"Maar" 63:  3393:Maars 2971:Types 2685:S2CID 2438:(PDF) 2388:(PDF) 2323:S2CID 2019:, in 1905:Otago 1847:Luzon 1814:. On 1745:Silti 1697:Chile 1500:near 1451:near 1406:near 1357:Reuth 1319:risch 1107:Ulmen 980:38.48 567:Depth 407:shale 361:near 343:Eifel 328:magma 268:Eifel 256:maars 228:magma 180:magma 97:JSTOR 83:books 3243:Tuff 3016:Maar 2813:2020 2788:2020 2759:ISSN 2646:2022 2600:2019 2587:ISBN 2517:ISBN 2498:2024 2416:ISSN 2281:ISBN 2245:mare 2221:mare 2217:maar 2165:Marh 1872:and 1860:and 1852:The 1796:Yaku 1763:the 1735:and 1703:and 1687:and 1672:and 1562:and 1560:Fife 1527:The 1431:, a 1392:and 1380:maar 1298:Daun 1253:Daun 1239:Boos 1184:51.0 1179:16.8 1117:37.0 1052:21.0 1047:21.6 985:72.0 916:17.0 911:24.0 776:21.0 707:39.0 557:Area 541:Name 307:bogs 223:Daun 215:maar 176:lava 157:maar 147:The 69:news 2886:doi 2874:356 2751:doi 2720:doi 2677:doi 2635:doi 2623:264 2566:zu 2450:doi 2408:doi 2396:201 2361:doi 2349:159 2315:doi 1903:in 1818:in 1802:on 1421:), 1112:6.0 846:2.9 841:6.0 771:6.8 702:7.2 643:3.2 638:1.1 570:in 560:in 471:'s 441:in 385:in 285:or 262:or 243:". 178:or 52:by 3384:: 2884:. 2872:. 2830:. 2804:. 2779:. 2757:. 2747:59 2745:. 2741:. 2718:. 2708:12 2706:. 2683:. 2675:. 2665:16 2663:. 2633:. 2621:. 2617:. 2549:. 2489:. 2485:. 2446:49 2444:, 2440:, 2414:. 2406:. 2394:. 2390:. 2373:^ 2359:. 2347:. 2335:^ 2321:. 2313:. 2303:48 2301:. 2268:^ 2159:, 2023:, 2001:, 1943:. 1927:, 1923:, 1907:, 1868:, 1826:, 1715:. 1660:, 1640:, 1632:, 1628:, 1600:, 1555:. 1519:, 1317:: 973:, 904:, 834:, 828:) 764:, 631:, 562:ha 479:. 465:. 409:, 405:, 277:A 274:. 205:. 195:ft 155:A 2956:e 2949:t 2942:v 2892:. 2888:: 2880:: 2840:. 2815:. 2790:. 2765:. 2753:: 2726:. 2722:: 2714:: 2691:. 2679:: 2671:: 2648:. 2637:: 2629:: 2602:. 2564:. 2525:. 2500:. 2452:: 2422:. 2410:: 2402:: 2367:. 2363:: 2355:: 2329:. 2317:: 2309:: 2287:. 2251:. 1794:- 1743:- 1652:( 1644:( 1620:( 1612:( 1373:) 1359:) 1352:) 1338:) 1328:) 1308:Ø 1293:) 1276:) 1265:) 1255:) 1231:) 1169:) 1162:) 1129:( 1103:) 1096:) 1063:( 1037:) 1030:) 997:( 967:) 960:) 927:( 898:) 891:) 858:( 821:) 788:( 758:) 751:) 718:( 695:) 688:) 655:( 625:) 618:) 585:( 572:m 401:( 191:m 119:) 113:( 108:) 104:( 94:· 87:· 80:· 73:· 46:. 23:.

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phreatomagmatic eruption
Ukinrek maars

Devil Mountain Lakes
relief
volcanic crater
phreatomagmatic eruption
groundwater
lava
magma
crater lake
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volcanic rocks
diatreme
Moselle Franconian
Daun

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