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Jarvis volcano

Stratovolcano 4112 m / 13491 ft
Eastern Alaska, United States, 62.02°N / -143.62°W
Current status: (probably) extinct (0 out of 5) | Reports
Jarvis volcano books
Typical eruption style: unspecified
Jarvis volcano eruptions: None during the past 10,000 years
Less than few million years ago (Pleistocene) No recent earthquakes
TimeMag. / DepthDistanceLocation

Background:

Miller and Richter (1994) noted that Jarvis is the high point of a slightly curvilinear, N-trending, 10-km-long, 4,000-m-high ridge. The ridge, covered in snow and ice, consists of a thick sequence of dacitic and andesitic lava flows and capped by either a massive dacite flow or by a series of smaller dacite domes. One K-Ar age on possible basal flows suggests an age of about 1.6 Ma (Richter and Smith, 1976).
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Source: Smithsonian / GVP volcano information


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