Very strong mag. 6.0 earthquake - North Pacific Ocean, 41 mi south of Nikolski, Aleutians West (CA) County, Alaska, USA, on Monday, 3 December 1956 at 07:20 (GMT)
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Very strong magnitude 6.0 earthquake at 14 km depth
Date & time: 3 Dec 1956 07:20:09 UTC
Magnitude: 6
Depth: 13.6 km
Epicenter latitude / longitude: 52.374°N / 168.527°W

Nearest volcano: Vsevidof (85 km / 53 mi)
Nearby towns and cities:
67 km (41 mi) SSE of Nikolski (pop: 18) --> See nearby quakes!
213 km (133 mi) SW of Unalaska (pop: 4,490) --> See nearby quakes!
268 km (166 mi) SW of Akutan (pop: 1,040) --> See nearby quakes!
386 km (240 mi) E of Atka (pop: 64) --> See nearby quakes!
436 km (271 mi) SW of False Pass (pop: 40) --> See nearby quakes!
493 km (306 mi) SW of Cold Bay (pop: 123) --> See nearby quakes!
506 km (314 mi) SW of King Cove (pop: 1,010) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 6.3 x 1013 joules (17.5 gigawatt hours, equivalent to 15080 tons of TNT or 0.9 atomic bombs!) More info
Data for the same earthquake reported by different agencies
Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
Magnitude | Depth | Location | Source |
M 6.0 | 14 km | Fox Islands, Aleutian Islands, Alaska (USA) | USGS |
User reports for this quake
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Recorded aftershocks, latest first (16 quakes):- 02 May 1957 11:38 UTC| M 6.3 |26 km (16.2 mi) depth|18 km (11 mi) distance| USGS | Very strong mag. 6.3 earthquake - North Pacific Ocean, 33 mi south of Nikolski, Aleutians West (CA) County, Alaska, USA, on Thursday, 2 May 1957 at 11:38 (GMT)
- 02 May 1957 11:29 UTC| M 6.3 |30 km (18.6 mi) depth|19 km (12 mi) distance| USGS | Very strong mag. 6.3 earthquake - North Pacific Ocean, 32 mi south of Nikolski, Aleutians West (CA) County, Alaska, USA, on Thursday, 2 May 1957 at 11:29 (GMT)
- 29 Apr 1957 04:30 UTC| M 5.6 |25 km (15.5 mi) depth|26 km (16 mi) distance| USGS | Details
- 28 Apr 1957 14:49 UTC| M 5.8 |25 km (15.5 mi) depth|4 km (3 mi) distance| USGS | Details
- 17 Apr 1957 13:25 UTC| M 5.8 |25 km (15.5 mi) depth|9 km (6 mi) distance| USGS | Details
- 09 Apr 1957 20:24 UTC| M 5.7 |25 km (15.5 mi) depth|41 km (26 mi) distance| USGS | Details
- 29 Mar 1957 22:49 UTC| M 6.0 |25 km (15.5 mi) depth|28 km (17 mi) distance| USGS | Strong mag. 6.0 earthquake - North Pacific Ocean, 37 mi southeast of Nikolski, Aleutians West (CA) County, Alaska, USA, on Friday, 29 March 1957 at 22:49 (GMT)
- 14 Mar 1957 01:52 UTC| M 5.7 |0 km (0 mi) depth|24 km (15 mi) distance| USGS | Details
- 11 Mar 1957 09:58 UTC| M 7.1 |35 km (21.7 mi) depth|57 km (35 mi) distance| USGS | Major magnitude 7.1 earthquake - Bering Sea, 22 mi southwest of Nikolski, Aleutians West (CA) County, Alaska, USA, on Monday, 11 March 1957 at 09:58 (GMT)
- 02 Jan 1957 10:49 UTC| M 6.1 |25 km (15.5 mi) depth|28 km (17 mi) distance| USGS | Very strong mag. 6.1 earthquake - North Pacific Ocean, 47 mi southeast of Nikolski, Aleutians West (CA) County, Alaska, USA, on Wednesday, 2 January 1957 at 10:49 (GMT)
- 02 Jan 1957 04:03 UTC| M 6.5 |20 km (12.4 mi) depth|22 km (14 mi) distance| USGS | Very strong mag. 6.5 earthquake - North Pacific Ocean, 28 mi southeast of Nikolski, Aleutians West (CA) County, Alaska, USA, on Wednesday, 2 January 1957 at 04:03 (GMT)
- 02 Jan 1957 03:48 UTC| M 6.7 |20 km (12.4 mi) depth|54 km (34 mi) distance| USGS | Very strong mag. 6.7 earthquake - North Pacific Ocean, 45 mi southeast of Nikolski, Aleutians West (CA) County, Alaska, USA, on Wednesday, 2 January 1957 at 03:48 (GMT)
- 02 Jan 1957 03:30 UTC| M 6.0 |0 km (0 mi) depth|52 km (33 mi) distance| USGS | Very strong mag. 6.0 earthquake - North Pacific Ocean, 39 mi east of Nikolski, Aleutians West (CA) County, Alaska, USA, on Wednesday, 2 January 1957 at 03:30 (GMT)
- 02 Jan 1957 03:12 UTC| M 6.6 |20 km (12.4 mi) depth|36 km (23 mi) distance| USGS | Very strong mag. 6.6 earthquake - North Pacific Ocean, 38 mi southeast of Nikolski, Aleutians West (CA) County, Alaska, USA, on Wednesday, 2 January 1957 at 03:12 (GMT)
- 02 Jan 1957 02:17 UTC| M 6.7 |20 km (12.4 mi) depth|11 km (7 mi) distance| USGS | Very strong mag. 6.7 earthquake - North Pacific Ocean, 47 mi southeast of Nikolski, Aleutians West (CA) County, Alaska, USA, on Wednesday, 2 January 1957 at 02:17 (GMT)
- 02 Jan 1957 00:39 UTC| M 6.4 |20 km (12.4 mi) depth|28 km (17 mi) distance| USGS | Very strong mag. 6.4 earthquake - North Pacific Ocean, 44 mi southeast of Nikolski, Aleutians West (CA) County, Alaska, USA, on Wednesday, 2 January 1957 at 00:39 (GMT)
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