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MODIS hot spots at Shishaldin (MODVOLC, Univ. Hawaii)
Wednesday, Jul 23, 2014
According to the Alaska Volcano Observatory, weak activity continues. MODIS data show elevated surface temperatures in the summit crater, but there are no visual or other indicators of eruptive activity available. [more]
Tuesday, Jul 01, 2014
According to the Alaska Volcano Observatory, "low-level eruptive activity continues. ... [more]

Shishaldin volcano

Stratovolcano 2857 m / 9,373 ft
United States, Aleutian Islands, 54.76°N / -163.97°W
Current status: minor activity or eruption warning (3 out of 5)
Shishaldin webcams / live data
Last update: 23 Jul 2014
Typical eruption style: explosive
Shishaldin volcano eruptions: 2014, 2008 (?), 2004, 2002, 2000, 1999, 1997, 1995, 1993, 1986-87, 1981 (?), 1979, 1978, 1976, 1975, 1967, 1963, 1955, 1953, 1951, 1948, 1946-47, 1932, 1929, 1928, 1927, 1925, 1922, 1912 (?), 1901, 1899 (?), 1898, 1897 (?), 1883, 1880-81, 1865 (?), 1842, 1838, 1830, 1927-29, 1826, 1825, 1824, 1790 (?), 1775-78
Last earthquakes nearby: No recent earthquakes
TimeMag. / DepthDistanceLocation

Background:

The beautifully symmetrical volcano of Shishaldin is the highest and one of the most active volcanoes of the Aleutian Islands. The 2857-m-high, glacier-covered volcano is the westernmost of three large stratovolcanoes along an E-W line in the eastern half of Unimak Island. The Aleuts named the volcano Sisquk, meaning "mountain which points the way when I am lost." A steady steam plume rises from its small summit crater. Constructed atop an older glacially dissected volcano, Shishaldin is Holocene in age and largely basaltic in composition. Remnants of an older ancestral volcano are exposed on the west and NE sides at 1500-1800 m elevation. Shishaldin contains over two dozen pyroclastic cones on its NW flank, which is blanketed by massive aa lava flows. Frequent explosive activity, primarily consisting of strombolian ash eruptions from the small summit crater, but sometimes producing lava flows, has been recorded since the 18th century.
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Smithsonian / GVP volcano information

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