Isanotski volcano
Stratovolcano 2446 m / 8,025 ft
United States, Aleutian Islands, 54.77°N / -163.72°W
Current status: (probably) extinct (0 out of 5)
Isanotski volcano books
United States, Aleutian Islands, 54.77°N / -163.72°W
Current status: (probably) extinct (0 out of 5)
Isanotski volcano books
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Typical eruption style: unspecified
Isanotski volcano eruptions: unknown, no recent eruptions
Isanotski volcano eruptions: unknown, no recent eruptions
| Time | Mag. / Depth | Distance | Location |
| Fri, 30 Jun | |||
| Fri, 30 Jun 12:08 UTC | M 4.7 / 106 km | 10 km | Unimak Island Region, Alaska |
Background:
Rugged pinnacles form the summit of the deeply eroded Isanotski stratovolcano, locally known as Ragged Jack. Isanotski is at the center of an E-W-trending group of three volcanoes on eastern Unimak Island. Four poorly documented historical eruptions were noted in the 18th and 19th centuries. However, Miller et al. (1998) considered that some or all of these eruptions could have been from neighboring Shishaldin volcano and that historical eruptions of Isanotski must be considered unlikely, given the extreme degree of erosional dissection.---
Smithsonian / GVP volcano information
Isanotski Photos:
The chain of volcanoes on Unimak, from left to right: Roundtop Mountain, Isanotski, Pogromni and Shishaldin. (Photo: marcofulle) |
Whereas Shishaldin is a superb example of a young, symmetric stratovolcano, the much older Isanotski is irregular and deeply eroded. (Photo: marcofulle) |
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