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Fourpeaked volcan

Mise à jour: 28 nov.. 2022 01:35 GMT -
Stratovolcano 2105 m / 6,906 ft
United States, Alaska Peninsula, 58.77°N / -153.67°W
Condition actuelle: normal / en sommeil (1 sur 5)
Last update: 10 déc. 2021 (Smithsonian / USGS Weekly Volcanic Activity Report)

Montrer carte interactive
Style éruptif tipique: unspecified
Eruptions du volcan Fourpeaked: 2006 

Derniers séismes proches

HeureMag. / ProfondeurDistance/Lieu
dimanche, 27 novembre 2022 GMT (1 séisme)
26 nov. 2022 19:50 (GMT -9) (27 nov.. 2022 04:50 GMT)
1.8

14 km
28 km (17 mi)
138 km au nord-ouest de Kodiak, Alaska, États-Unis

Introduction

Poorly known Fourpeaked volcano in NE Katmai National Park consists of isolated outcrops surrounded by the Fourpeaked Glacier, which descends eastward almost to the Shelikof Strait. The orientation of andesitic lava flows and extensive hydrothermal alteration of rocks near the present 2105-m-high summit suggest that it probably marks the vent of Fourpeaked volcano. Eruptive activity during the Holocene had not been confirmed prior to the first historical eruption of Fourpeaked in September 2006. A N-trending fissure extending 1 km from the summit produced minor ashfall.
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Smithsonian / GVP volcano information


See also: Sentinel hub | Landsat 8 | NASA FIRMS
Actualités
mer., 13 juin 2007, 06:00

Fourpeaked volcano (United States) - Smithsonian / USGS Weekly Volcanic Activity Report for 13 June-19 June 2007 (Continuing Activity)

AVO reported that on 6 June the Volcanic Activity Alert Level for Fourpeaked was lowered from Advisory to Normal and the Aviation Color Code was lowered from Yellow to Green based on declining rates of seismicity and gas emission. ... Read all
sam., 11 nov. 2006, 09:13

Fourpeaked volcano (Alaska), activity update: low seismicity, steam plumes

Low-level earthquake activity continues at Fourpeaked volcano. Web camera views this past week show a typical steam plume rising several hundred meters above the summit. Read all
Actualités
mer., 13 juin 2007, 06:00

Fourpeaked volcano (United States) - Smithsonian / USGS Weekly Volcanic Activity Report for 13 June-19 June 2007 (Continuing Activity)

AVO reported that on 6 June the Volcanic Activity Alert Level for Fourpeaked was lowered from Advisory to Normal and the Aviation Color Code was lowered from Yellow to Green based on declining rates of seismicity and gas emission. ... Read all
sam., 11 nov. 2006, 09:13

Fourpeaked volcano (Alaska), activity update: low seismicity, steam plumes

Low-level earthquake activity continues at Fourpeaked volcano. Web camera views this past week show a typical steam plume rising several hundred meters above the summit. Read all
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