Major magnitude 6.8 earthquake - Gulf of Alaska, 17 mi south of Sitkinak Island, Kodiak Island County, Alaska, USA, on Saturday, 29 November 1952 at 23:46 (GMT)
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Major magnitude 6.8 earthquake at 20 km depth
Date & time: 29 Nov 1952 23:46:32 UTC
Depth: 20.0 km
Epicenter latitude / longitude: 56.304°N / 154.056°W (Gulf of Alaska, Alaska, United States)
Nearest volcano: Kialagvik (192 km / 119 mi)
Nearby towns and cities:
72 km (45 mi) S of Akhiok (pop: 72) --> See nearby quakes!
110 km (68 mi) SSW of Old Harbor (pop: 221) --> See nearby quakes!
138 km (85 mi) S of Larsen Bay (pop: 88) --> See nearby quakes!
185 km (115 mi) SSW of Kodiak Station (pop: 1,300) --> See nearby quakes!
193 km (120 mi) SSW of Kodiak (pop: 6,250) --> See nearby quakes!
400 km (248 mi) SSW of Homer (pop: 5,520) --> See nearby quakes!
408 km (253 mi) SSW of Anchor Point (pop: 1,930) --> See nearby quakes!
415 km (258 mi) SSW of Fritz Creek (pop: 1,930) --> See nearby quakes!
417 km (259 mi) ENE of Sand Point (pop: 1,060) --> See nearby quakes!
501 km (312 mi) SW of Lowell Point (pop: 2,790) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1 x 1015 joules (278 gigawatt hours, equivalent to 2.4 x 105 tons of TNT or 14.9 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.
|M 6.8||20 km||Kodiak Island region, Alaska (USA)||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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More infoRecorded aftershocks, latest first (1 quakes):
- 12 Dec 1952 00:47 UTC| M 5.9 |25 km (15.5 mi) depth|20 km (12 mi) distance| USGS | Details