Very strong mag. 6.1 earthquake - Gulf of Alaska, 5.7 mi south of Trinity s Island, Kodiak Island County, Alaska, USA, on Wednesday, 15 April 1964 at 15:30 (GMT)
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Very strong magnitude 6.1 earthquake at 26 km depth
Date & time: 15 Apr 1964 15:30:47 UTC
Depth: 25.6 km
Epicenter latitude / longitude: 56.48°N / 154.343°W (Gulf of Alaska, Alaska, United States)
Nearest volcano: Kialagvik (167 km / 104 mi)
Nearby towns and cities:
53 km (33 mi) S of Akhiok (pop: 72) --> See nearby quakes!
178 km (110 mi) SW of Kodiak Station (pop: 1,300) --> See nearby quakes!
187 km (116 mi) SW of Kodiak (pop: 6,250) --> See nearby quakes!
187 km (116 mi) SW of Saint Paul (pop: 6,250) --> See nearby quakes!
388 km (241 mi) SSW of Homer (pop: 5,520) --> See nearby quakes!
395 km (246 mi) SSW of Anchor Point (pop: 1,930) --> See nearby quakes!
404 km (251 mi) SSW of Fritz Creek (pop: 1,930) --> See nearby quakes!
473 km (294 mi) SSW of Kalifornsky (pop: 7,850) --> See nearby quakes!
485 km (301 mi) SSW of Soldotna (pop: 4,540) --> See nearby quakes!
494 km (307 mi) SW of Lowell Point (pop: 2,790) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 8.9 x 1013 joules (24.8 gigawatt hours, equivalent to 21301 tons of TNT or 1.3 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 6.1||26 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 (2 quakes):
- 08 May 1964 16:21 UTC| M 5.8 |24 km (14.9 mi) depth|13 km (8 mi) distance| USGS | Details
- 18 Apr 1964 20:16 UTC| M 5.8 |22.5 km (14 mi) depth|51 km (32 mi) distance| USGS | Details