Major magnitude 7.1 earthquake - Gulf of Alaska, 55 mi southeast of King Cove, Aleutians East, Alaska, USA, on Friday, May 14, 1948 at 22:31 (GMT)
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Major magnitude 7.1 earthquake at 25 km depth
Depth: 25.0 km
Epicenter latitude / longitude: 54.61°N / 161.19°W↗ (Gulf of Alaska, Alaska, United States)
Antipode: 54.61°S / 18.81°E↗
Nearest volcano: Dutton (93 km / 58 mi)
Nearby towns and cities:
88 km (55 mi) SE of King Cove (pop: 1,010) --> See nearby quakes!
92 km (57 mi) SSW of Sandpoint (pop: 1,060) --> See nearby quakes!
117 km (73 mi) ESE of Cold Bay (pop: 123) --> See nearby quakes!
145 km (90 mi) E of False Pass (pop: 40) --> See nearby quakes!
155 km (96 mi) S of Nelson Lagoon (pop: 52) --> See nearby quakes!
194 km (121 mi) SW of Perryville (pop: 113) --> See nearby quakes!
239 km (148 mi) SW of Chignik Lake (pop: 73) --> See nearby quakes!
302 km (188 mi) ENE of Akutan (pop: 1,040) --> See nearby quakes!
357 km (222 mi) ENE of Unalaska (pop: 4,490) --> See nearby quakes!
357 km (222 mi) ENE of Dutch Harbor (pop: 4,380) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2.8 x 1015 joules (783 gigawatt hours, equivalent to 6.7 x 105 tons of TNT or 42.1 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.
|7.1||25 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.
Recorded aftershocks, latest first (2 quakes)
- 17 May 1948 17:48 UTC| M 0.0 |44 km (27.3 mi) depth|54 km (33 mi) distance| USGS | Details
- 15 May 1948 02:41 UTC| M 0.0 |48 km (29.8 mi) depth|35 km (22 mi) distance| USGS | Details