Very strong mag. 6.4 earthquake - Bering Sea, 34 mi southeast of Tag s Island, Aleutians West, Alaska, USA, on Thursday, 3 August 1972 at 04:40 (GMT)
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Very strong magnitude 6.4 earthquake at 34 km depth
Date & time: 3 Aug 1972 04:40:55 UTC
Depth: 33.5 km
Epicenter latitude / longitude: 51.128°N / 178.19°W (Bering Sea, Alaska, United States)
Nearest volcano: Tanaga (84 km / 52 mi)
Nearby towns and cities:
136 km (84 mi) SW of Adak (pop: 332) --> See nearby quakes!
300 km (186 mi) WSW of Atka (pop: 64) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2.5 x 1014 joules (69.8 gigawatt hours, equivalent to 60036 tons of TNT or 3.8 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.
|6.4||34 km||Andreanof Islands, Aleutian Islands, 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 (3 quakes):
- 09 Jan 1973 17:07 UTC| M 5.1 |52 km (32.3 mi) depth|31 km (19 mi) distance| USGS | Details
- 03 Aug 1972 07:03 UTC| M 5.6 |35 km (21.7 mi) depth|18 km (11 mi) distance| USGS | Details
- 03 Aug 1972 06:59 UTC| M 5.6 |35 km (21.7 mi) depth|11 km (7 mi) distance| USGS | Details