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Zufallsfotos
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
Friday, Jun 19, 2020
The Alaska Volcano Observatory (AVO) recorded periods of seismic tremor at the volcano over the past days associated with occasional earthquakes. Tremor has not shown significant variations. ... alles lesen
Wednesday, Aug 07, 2019
On 2 August AVO noted that tremor had subsided, though low-level seismicity persisted at least through 6 August. Elevated surface temperatures were visible in satellite images. A small steam plume was also visible on 3 August. ... alles lesen
 

Veniaminof Vulkan

Stratovolcano 2507 m / 8,225 ft
Alaska Peninsula, USA, 56.17°N / -159.38°W
Aktueller Status: unruhig (2 von 5)
Veniaminof Webcams / aktuelle Daten | Berichte
Veniaminof Vulkan-Bücher
Last update: 19 Jun 2020 (seismic tremor)
Typische Aktivität: Explosiv
Ausbrüche des Veniaminof: 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)No recent earthquakes
UhrzeitMag. / TiefeDistanceOrt
Veniaminof is one of the highest, largest and most active volcanoes on the Alaska Peninsula.

Beschreibung:

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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