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Random pictures
Location of Vaniaminof volcano. (Image courtesy Chris Nye, Alaska Volcano Observatory / Alaska Division of Geological & Geophysical Surveys)
Location of Vaniaminof volcano. (Image courtesy Chris Nye, Alaska Volcano Observatory / Alaska Division of Geological & Geophysical Surveys)

News
Tuesday, Nov 06, 2018
Volcanic Ash Advisory Center Anchorage (VAAC) issued the following report: ... [more]
Monday, Nov 05, 2018
Volcanic Ash Advisory Center Anchorage (VAAC) issued the following report: ... [more]
 

Veniaminof volcano

Stratovolcano 2507 m / 8,225 ft
Alaska Peninsula, USA, 56.17°N / -159.38°W
Current status: erupting (4 out of 5)
Veniaminof webcams / live data | Reports
Veniaminof volcano books
Last update: 6 Nov 2018
Typical eruption style: Explosive
Veniaminof volcano eruptions: 1750 (?), 1830-38(?), 1838-39, 1874, 1892, 1930, 1939, 1939, 1944, 1956, 1983-84, 1984, 1987, 1993-94, 1995(?), 2002, 2004, 2006 (March)ASTER (Advanced Spaceborne Thermal Emission and Reflection Radiometer) satellite image showing a steam plume emitting from the active intracaldera cone at Veniaminof Volcano on March 4, 2008 at 12:57 PM AKS (image processed by AVO/USGS, Image data courtesy of NASA/GSFC/METI/ERSDAC/JAROS, and U.S./Japan ASTER Science Team)
TimeMag. / DepthDistanceLocation
Sat, 27 Oct
Sat, 27 Oct 00:58 UTCM 2.6 / 4.8 km28 km- 17km WNW of Chignik Lake, Alaska
Thu, 25 Oct
Thu, 25 Oct 18:43 UTCM 1.4 / 5.2 km19 km- 23km WSW of Chignik Lake, Alaska
Fri, 19 Oct
Fri, 19 Oct 12:04 UTCM 1.2 / 14.3 km24 km- 20km WNW of Chignik Lake, Alaska
Wed, 3 Oct
Wed, 3 Oct 06:12 UTCM 0.6 / 7.8 km10 km- 29km W of Chignik Lake, Alaska
View all recent quakes
Veniaminof is one of the highest, largest and most active volcanoes on the Alaska Peninsula.

Background:

The massive cone of the stratovolcano is truncated by a steep-walled, 8 x 11 km, glacier-filled caldera that formed around 3700 years ago. The caldera rim is up to 520 m high on the north, is deeply notched on the west by Cone Glacier, and is covered by an ice sheet on the south. Post-caldera vents are located along a NW-SE zone bisecting the caldera that extends 55 km from near the Bering Sea coast, across the caldera, and down the Pacific flank.

Historical eruptions probably all originated from the westernmost and most prominent of two intra-caldera cones, which reaches an elevation of 2156 m and rises about 300 m above the surrounding icefield. The other cone is larger, and has a summit crater or caldera that may reach 2.5 km in diameter, but is more subdued and barely rises above the glacier surface.

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Source: GVP (Smithsonian Institution)


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