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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)

Tue, 6 Apr 2021, 07:51
Satellite imagery of the minor ash emissions from the summit at Veniaminof volcano (image: Sentinel 2)
The Alaska Volcano Observatory's (AVO) surveillance cameras observed a minor ash emissions from the summit. ... leer todo
Sat, 3 Apr 2021, 19:17
Weakening of the ongoing activity visible in the satellite image (image: Sentinel 2)
The continuing low-level effusive-explosive activity of the volcano started to decrease gradually and it seems to have paused as the Alaska Volcano Observatory (AVO) noted. Therefore the Aviation Color Code for the volcano was lowered to "yellow" and the Volcano Alert Level to "advisory". ... leer todo

Veniaminof volcano

Stratovolcano 2507 m / 8,225 ft
Alaska Peninsula, USA, 56.17°N / -159.38°W
Current status: menor actividad o una advertencia erupción (3 out of 5)
Last update: 6 Apr 2021 (renewed activity raised Aviation Color Code to Orange again)
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)

Veniaminof is one of the highest, largest and most active volcanoes on the Alaska Peninsula.

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Typical eruption style: Explosivos
Erupciones del volcán Veniaminof: 1750 (?), 1830-38(?), 1838-39, 1874, 1892, 1930, 1939, 1939, 1944, 1956, 1983-84, 1984, 1987, 1993-94, 1995(?), 2002, 2004, 2006 (Mar), 2008 (Feb-Mar), 2013 (Jun-Oct), 2021 (Feb-ongoing)

Latest nearby earthquakes

No hay terremotos recientes
Fecha / HoraRevista / ProfundidadDistanciaUbicación

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)


See also: Sentinel hub | Landsat 8
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