Date & time | Apr 1, 1946 12:29:01 UTC |
Local time at epicenter | |
Status | Confirmed |
Magnitude | 8.6 |
Depth | 15.0 km |
Epicenter latitude / longitude | 53.492°N / 162.832°W ![]() |
Antipode | 53.492°S / 17.168°E |
Shaking intensity | Severe shaking near epicenter |
Felt | 0 reports |
Primary data source | USGS (United States Geological Survey) |
Nearest volcano | Isanotski (153 km / 95 mi) |
Nearby towns and cities | 156 km (97 mi) SSE of False Pass (pop: 40) | Show on map | Quakes nearby 178 km (110 mi) S of King Cove (pop: 1,010) | Show on map | Quakes nearby 189 km (117 mi) S of Cold Bay (pop: 123) | Show on map | Quakes nearby 206 km (128 mi) ESE of Akutan (pop: 1,040) | Show on map | Quakes nearby 248 km (154 mi) E of Unalaska (pop: 4,490) | Show on map | Quakes nearby 248 km (154 mi) E of Dutch Harbor (pop: 4,380) | Show on map | Quakes nearby 255 km (158 mi) SW of Sand Point (pop: 1,060) | Show on map | Quakes nearby 298 km (185 mi) SSW of Nelson Lagoon (pop: 52) | Show on map | Quakes nearby 358 km (223 mi) SW of Perryville (pop: 113) | Show on map | Quakes nearby 403 km (250 mi) SW of Chignik Lake (pop: 73) | Show on map | Quakes nearby |
Estimated seismic energy released | 5 x 1017 joules (1.4 x 105 gigawatt hours, equivalent to 1.2 x 108 tons of TNT or 7486.7 atomic bombs!) | about seismic energy |
Mag. | Depth | Location | Source |
8.6 | 15 km | 1946 Aleutian Islands (Unimak Island) Earthquake, Alaska (USA) | USGS |
Date and time![]() | Mag Depth | Location | Details |
Feb 2, 1949 17:41 74 years ago | 6.8 220 km | 273 mi W of Unalaska, Aleutians West, Alaska, USA | More |
May 26, 1948 09:16 75 years ago | 6.0 0 km | 22 mi SE of Sitkinak Island, Kodiak Island Borough, Alaska, USA | More |
May 14, 1948 22:31 75 years ago | 7.1 25 km | 55 mi SE of King Cove, Aleutians East, Alaska, USA | More |
Dec 25, 1946 11:13 76 years ago | 6.5 90 km | USA | More |
Nov 1, 1946 11:14 76 years ago | 7.0 25 km | 33 mi S of Atka, Aleutians West, Alaska, USA | More |
Oct 30, 1946 07:47 76 years ago | 6.5 30 km | 27 mi SE of Tigalda Island, Aleutians East, Alaska, USA | More |
Jul 12, 1946 21:56 77 years ago | 6.8 100 km | 39 mi N of Nikolski, Aleutians West, Alaska, USA | More |