山體由玄武岩和流紋岩組成，恰火

阿斯恰火山（）是恰火冰島的火山，位於該國中東部，恰火每年平均降雨量450毫米，恰火最近一次火山噴發在1961年發生。恰火海拔高度1,恰火510米， 參考 外部連結 Panoramic views of Iceland,恰火 including Askja Photo of Víti Crater Earthice, Univ. of Iceland, description of Askja Askja, Global Volcanism Program, Smithsonian Institution Asta R. Hjartadóttir (2008): The fissure swarm of the Askja central volcano, Univ. of Iceland (PDF) Rymer, Hazel: The case of the shrinking volcano, 19.11.2009 (Blogpost of the geophysicist) UP60q3hTuL0bQFayjWySe2pbcHXPDZorubx8kmqCf_1h8qfhNK96ufjwrE1OtY0T5jRPfGrBVxChdVBHFtgfgBfthdw5YCWuUAC2x89gg1TGjBR_hf8-1GoQtO&sig=AHIEtbTVxfbK9oIgvpHCLi7O2Yv8YudG7Q A. Key, e.a.: Crustal seismicity beneath Askja volcano reflecting plate tectonics and melt movement. (Zur Erdbebentätigkeit an der Askja) (PDF, 31 KB) Rymer, H., C. Locke, B. G. Ófeigsson, P. Einarsson, and E. Sturkell (2010): New mass increase beneath Askja volcano, Iceland – a precursor to renewed activity? Terra Nova, 22, 309-313. Sigurdur Thorarinsson, and G. E. Sigvaldason: The eruption in Askja 1961, a preliminary report. American Journal of Science, Vol. 260, November 1962, P.641-651; (Abstract) Eysteinn Tryggvason: Ground deformation in Askja, Iceland: its source and possible relation to flow of the mantle plume, Journal of Volcanology and Geothermal Research, 39 (1989) 61-71 61 (PDF) Erik Sturkell, Freysteinn Sigmundsson: Continuous deflation of the Askja caldera, Iceland, during the 1983–1998 noneruptive period, JOURNAL OF GEOPHYSICAL RESEARCH, VOL. 105, NO. B11, PP. 25,671-25,684, 2000; (PDF) Heidi Soosalu, Janet Key, Robert S. White, Clare Knox, Páll Einarsson und Steinunn S. Jakobsdóttir: Lower-crustal earthquakes caused by magma movement beneath Askja volcano on the north Iceland rift, Bulletin of Volcanology, Vol. 72, no. 1, 55-62; (Springer-Link, Abstract) Heidi Soosalu, e.a.: Askja 2007 - Scientific Project. (PDF) Rymer, Hazel and Tryggvason, Eysteinn (1993): Gravity and elevation changes at Askja, Iceland. Bulletin of Volcanology, 55(5), pp. 362–371. (PDF) 冰島火山 冰岛高地

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