Jumbo Dome Volcano
Updated: 29 mar. 2024 00:03 GMT -
Lava dome 1369 m / 4491 ft
Eastern Alaska, United States, 63.97°N / -148.69°W
Current status: (probably) extinct (0 out of 5)
Eastern Alaska, United States, 63.97°N / -148.69°W
Current status: (probably) extinct (0 out of 5)
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Eruzioni del vulcano Jumbo Dome: None during the past 10,000 years
Less than few million years ago (Pleistocene)
Latest nearby earthquakes
Data / ora | Mag. / Prof. | Distanza / Ubicazione | |||
28 mar 13:09 (Anchorage) 28 mar 21:09 GMT | 1.4 81 km | 26 km a sud-est | 25 km E of Denali Park, Alaska | Info | |
lunedì, 25 marzo 2024 GMT (1 sismo) | |||||
25 mar 15:38 (Anchorage) 25 mar 23:38 GMT | 2.1 0 km | 9.8 km a nord ovest | 15 km E of Ferry, Alaska | Info | |
lunedì, 18 marzo 2024 GMT (1 sismo) | |||||
18 mar 10:58 (Anchorage) 18 mar 18:58 GMT | 1.4 6.7 km | 23 km a sud ovest | 4 km WSW of Healy, Alaska | Info | |
domenica, 17 marzo 2024 GMT (1 sismo) | |||||
17 mar 02:44 (Anchorage) 17 mar 10:44 GMT | 1.2 104 km | 23 km a sud | 5 km NE of Denali Park, Alaska | Info |
Background
Jumbo Dome is a large cylindrical plug of hornblende andesite 1.6 km long, 1.3 km wide, and 500 m high which intrudes the Devonian Keevy Peak Formation basement and overlying Tertiary Suntrana Formation (AVO, 2005-). Ar/Ar dating by Athey et al. (2006) yielded an age for Jumbo Dome of 1.026 +/- 0.057 Ma.---
Source: Smithsonian / GVP volcano information