Very strong mag. 6.5 earthquake - Gulf of Alaska, 18 mi south of Sitkinak Island, Kodiak Island County, Alaska, USA, on Monday, 15 June 1953 at 17:47 (GMT)

Very strong mag. 6.5 earthquake - Gulf of Alaska, 18 mi south of Sitkinak Island, Kodiak Island County, Alaska, USA, on Monday, 15 June 1953 at 17:47 (GMT)

Very strong magnitude 6.5 earthquake at 20 km depth

Date & time: 15 Jun 1953 17:47:19 UTC
Magnitude: 6.5
Depth: 20.0 km
Epicenter latitude / longitude: 56.282°N / 154.122°W (Gulf of Alaska, Alaska, United States)
Nearest volcano: Kialagvik (190 km / 118 mi)
Nearby towns and cities:
74 km (46 mi) S of Akhiok (pop: 72) --> See nearby quakes!
114 km (71 mi) SSW of Old Harbor (pop: 221) --> See nearby quakes!
140 km (87 mi) S of Larsen Bay (pop: 88) --> See nearby quakes!
189 km (117 mi) SSW of Kodiak Station (pop: 1,300) --> See nearby quakes!
197 km (123 mi) SSW of Kodiak (pop: 6,250) --> See nearby quakes!
403 km (251 mi) SSW of Homer (pop: 5,520) --> See nearby quakes!
411 km (256 mi) SSW of Anchor Point (pop: 1,930) --> See nearby quakes!
412 km (256 mi) ENE of Sand Point (pop: 1,060) --> See nearby quakes!
419 km (260 mi) SSW of Fritz Creek (pop: 1,930) --> See nearby quakes!
506 km (314 mi) SW of Lowell Point (pop: 2,790) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 3.5 x 1014 joules (98.6 gigawatt hours, equivalent to 84802 tons of TNT or 5.3 atomic bombs!) More info
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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.
MagnitudeDepthLocationSource
M 6.520 kmKodiak Island region, Alaska (USA)USGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

User reports for this quake

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Aftershocks

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Recorded aftershocks, latest first (0 quakes):
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