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News
Thursday, Oct 17, 2019
Renewed lava effusion has been detected and is contained within the crater. AVO raised the status to ORANGE/WATCH. [Leer más]
Source: USGS
Monday, Oct 07, 2019
Weakly elevated surface temperatures observed in partly cloudy satellite data over the past day. Weak tremor continues at Shishaldin volcano. ... [Leer más]
 

Shishaldin volcano

Stratovolcano 2857 m / 9,373 ft
Aleutian Islands, Alaska, 54.76°N / -163.97°W
Current status: menor actividad o una advertencia erupción (3 out of 5)
Shishaldin webcams / datos en tiempo real | Reports
Shishaldin volcano books
Last update: 17 Oct 2019 (Minor eruption resumes)
Typical eruption style: explosive
Erupciones del volcán Shishaldin: 2014-15, 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 No hay terremotos recientes
Fecha / HoraRevista / ProfundidadDistanciaUbicación

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

Shishaldin Fotos:




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See also: Sentinel hub | Landsat 8
 

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