Strong mag. 5.7 earthquake - North Pacific Ocean, 28 mi south of Nikolski, Aleutians West (CA) County, Alaska, USA, on Friday, 21 December 1962 at 06:27 (GMT)
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Strong magnitude 5.7 earthquake at 25 km depth
Date & time: 21 Dec 1962 06:27:50 UTC
Magnitude: 5.7
Depth: 25.0 km
Epicenter latitude / longitude: 52.553°N / 168.687°W
(North Pacific Ocean, Alaska, United States)Nearest volcano: Vsevidof (64 km / 40 mi)
Nearby towns and cities:
45 km (28 mi) SSE of Nikolski (pop: 18) --> See nearby quakes!
205 km (128 mi) SW of Unalaska (pop: 4,490) --> See nearby quakes!
206 km (128 mi) SW of Dutch Harbor (pop: 4,380) --> See nearby quakes!
261 km (162 mi) SW of Akutan (pop: 1,040) --> See nearby quakes!
376 km (234 mi) E of Atka (pop: 64) --> See nearby quakes!
431 km (268 mi) SW of False Pass (pop: 40) --> See nearby quakes!
488 km (303 mi) SW of Cold Bay (pop: 123) --> See nearby quakes!
502 km (312 mi) WSW of King Cove (pop: 1,010) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2.2 x 1013 joules (6.22 gigawatt hours, equivalent to 5351 tons of TNT or 0.3 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 5.7 | 25 km | Fox Islands, Aleutian Islands, Alaska (USA) | USGS |
User reports for this quake
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Aftershocks
More info
Recorded aftershocks, latest first (3 quakes):- 21 Dec 1962 09:10 UTC| M 6.5 |25 km (15.5 mi) depth|42 km (26 mi) distance| USGS | Very strong mag. 6.5 earthquake - North Pacific Ocean, 136 mi southwest of Unalaska, Aleutians West (CA) County, Alaska, USA, on Friday, 21 December 1962 at 09:10 (GMT)
- 21 Dec 1962 09:00 UTC| M 6.2 |33 km (20.5 mi) depth|21 km (13 mi) distance| USGS | Strong mag. 6.2 earthquake - North Pacific Ocean, 40 mi southeast of Nikolski, Aleutians West (CA) County, Alaska, USA, on Friday, 21 December 1962 at 09:00 (GMT)
- 21 Dec 1962 08:42 UTC| M 6.4 |20.6 km (12.8 mi) depth|35 km (22 mi) distance| USGS | Very strong mag. 6.4 earthquake - North Pacific Ocean, 139 mi southwest of Unalaska, Aleutians West (CA) County, Alaska, USA, on Friday, 21 December 1962 at 08:42 (GMT)
Earlier earthquakes in the same area
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