Isanotski volcano
Updated: Jun 2, 2023 11:01 GMT -
Stratovolcano 2446 m / 8,025 ft
United States, Aleutian Islands, 54.77°N / -163.72°W
Current status: normal or dormant (1 out of 5)
United States, Aleutian Islands, 54.77°N / -163.72°W
Current status: normal or dormant (1 out of 5)
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Isanotski volcano eruptions: unknown, no recent eruptions
Latest nearby earthquakes
| Time | Mag. / Depth | Distance/Location | ||
| Wednesday, May 24, 2023 GMT (1 quake) | ||||
| May 24, 2023 3:41 pm (GMT -8) (May 24, 2023 23:41 GMT) | 0.5 2.7 km | 16 km (9.9 mi) 37 Km WSW of False Pass, 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) |
See also: Sentinel hub | Landsat 8 | NASA FIRMS
