Strong mag. 6.0 earthquake - Gulf of Alaska, 9.3 mi north of Semidi s Island, Kodiak Island County, Alaska, USA, on Wednesday, 25 February 1953 at 21:16 (GMT)
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Strong magnitude 6.0 earthquake at 48 km depth
Magnitude: 6
Depth: 47.7 km
Epicenter latitude / longitude: 56.186°N / 156.607°W
(Gulf of Alaska, Alaska, United States)Nearest volcano: Yantarni (99 km / 62 mi)
Nearby towns and cities:
112 km (69 mi) E of Chignik (pop: 87) --> See nearby quakes!
134 km (83 mi) E of Chignik Lake (pop: 73) --> See nearby quakes!
150 km (93 mi) ESE of Port Heiden (pop: 98) --> See nearby quakes!
261 km (162 mi) ENE of Sand Point (pop: 1,060) --> See nearby quakes!
311 km (193 mi) SW of Kodiak (pop: 6,250) --> See nearby quakes!
380 km (236 mi) ENE of King Cove (pop: 1,010) --> See nearby quakes!
487 km (302 mi) SW of Homer (pop: 5,520) --> See nearby quakes!
488 km (303 mi) SW of Anchor Point (pop: 1,930) --> See nearby quakes!
5909 km (3672 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
5909 km (3672 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> 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 | 48 km | Alaska Peninsula (USA) | USGS |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake yet. If you felt it be the first to report it!
So far, no aftershocks have been registered.
Aftershocks of the 6.0 quake Gulf of Alaska, 9.3 mi north of Semidi s Island, Kodiak Island County, Alaska, USA, 25 February 1953 21:16 GMT
More info
Recorded aftershocks, latest first (0 quakes):So far, no aftershocks have been registered.
Earlier earthquakes in the same area
Strong mag. 6.0 earthquake - Gulf of Alaska, 9.3 mi north of Semidi s Island, Kodiak Island County, Alaska, USA, on Wednesday, 25 February 1953 at 21:16 (GMT)
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