Yantarni Volcano
Updated: 13. Mai 2024 06:02 GMT -
Stratovolcano 1345 m / 4,413 ft
United States, Alaska Peninsula, 57.02°N / -157.19°W
Aktueller Status: normal / ruhend (1 von 5)
United States, Alaska Peninsula, 57.02°N / -157.19°W
Aktueller Status: normal / ruhend (1 von 5)
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Ausbrüche des Yantarni: 800 BC ± 500 years
Letzte Erdbeben in der Nähe
| Uhrzeit | Mag. / Tiefe | Entfernung / Ort | |||
Beschreibung
Yantarni is a small andesitic stratovolcano located between Aniakchak caldera and Chiginadak volcanoes that was not discovered until 1979. A large breached crater on the NE side, which was formed by collapse of the summit about 2000-3500 years ago, contains a lava dome that marks the volcano's 1345 m high point. This eruption, which resembled that of Mount St. Helens in 1980, began with a debris avalanche produced by the edifice collapse that was accompanied by a possible lateral blast and followed by the emplacement of 1 cu km of pyroclastic flows related to growth of the summit lava dome. No historical eruptions have been documented from Yantarni.---
Smithsonian / GVP volcano information
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