Major magnitude 7.0 earthquake - Bering Sea, 36 mi northeast of Atka, Aleutians West County, Alaska, USA, on Monday, 14 March 1955 at 13:12 (GMT)
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Major magnitude 7.0 earthquake at 100 km depth
Date & time: 14 Mar 1955 13:12:04 UTC
Magnitude: 7
Depth: 100.0 km
Epicenter latitude / longitude: 52.5°N / 173.5°W
(Bering Sea, Alaska, United States)Nearest volcano: Korovin (47 km / 29 mi)
Nearby towns and cities:
58 km (36 mi) NE of Atka (pop: 64) --> See nearby quakes!
225 km (140 mi) ENE of Adak (pop: 332) --> See nearby quakes!
316 km (197 mi) W of Nikolski (pop: 18) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2 x 1015 joules (554 gigawatt hours, equivalent to 4.8 x 105 tons of TNT or 29.8 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 7.0 | 1 km | Andreanof Islands, Aleutian Islands, Alaska (USA) | USGS |
User reports for this quake
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Aftershocks
More info
Recorded aftershocks, latest first (6 quakes):- 12 Mar 1957 07:28 UTC| M 6.5 |25 km (15.5 mi) depth|102 km (63 mi) distance| USGS | Very strong mag. 6.5 earthquake - Bering Sea, 50 mi southeast of Atka, Aleutians West County, Alaska, USA, on Tuesday, 12 March 1957 at 07:28 (GMT)
- 10 Mar 1957 16:37 UTC| M 6.0 |33 km (20.5 mi) depth|106 km (66 mi) distance| USGS | Strong mag. 6.0 earthquake - Bering Sea, 62 mi southeast of Atka, Aleutians West County, Alaska, USA, on Sunday, 10 March 1957 at 16:37 (GMT)
- 10 Mar 1957 15:26 UTC| M 6.5 |25 km (15.5 mi) depth|91 km (57 mi) distance| USGS | Very strong mag. 6.5 earthquake - Bering Sea, 48 mi southwest of Seguam Island, Aleutians West County, Alaska, USA, on Sunday, 10 March 1957 at 15:26 (GMT)
- 10 Mar 1957 03:09 UTC| M 6.6 |33 km (20.5 mi) depth|134 km (83 mi) distance| USGS | Very strong mag. 6.6 earthquake - Bering Sea, 55 mi south of Atka, Aleutians West County, Alaska, USA, on Sunday, 10 Mar 1957 3:09 am (GMT +0)
- 10 Mar 1957 03:06 UTC| M 6.6 |25 km (15.5 mi) depth|98 km (61 mi) distance| USGS | Very strong mag. 6.6 earthquake - Bering Sea, 39 mi south of Atka, Aleutians West County, Alaska, USA, on Sunday, 10 Mar 1957 3:06 am (GMT +0)
- 14 Jan 1956 14:08 UTC| M 6.0 |46.5 km (28.9 mi) depth|101 km (63 mi) distance| USGS | Strong mag. 6.0 earthquake - Bering Sea, 312 mi southwest of Unalaska, Aleutians West (CA) County, Alaska, USA, on Saturday, 14 January 1956 at 14:08 (GMT)
Earlier earthquakes in the same area
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