Moderate mag. 4.6 earthquake - Bering Sea, 55 mi southwest of Atka, Aleutians West County, Alaska, USA, on Friday, August 30, 2013 08:47:12
This quake was likely an aftershock of the 7.0 quake Bering Sea, 26 mi south of Ikiginak Island, Aleutians West County, Alaska, USA, Friday, August 30, 2013 04:25:02, which had occurred 4 hours earlier.
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Moderate magnitude 4.6 earthquake at 33 km depth
30 Aug 21:45 UTC: First to report: USGS after 58 minutes.
Date & time: 30 Aug 2013 20:47:12 UTC
Local time at epicenter: Friday, August 30, 2013 08:47:12
Magnitude: 4.6
Depth: 32.6 km
Epicenter latitude / longitude: 51.5348°N / 174.9153°W
(Bering Sea, Alaska, United States)Nearest volcano: Sergief (57 km / 35 mi)
Nearby towns and cities:
88 km (55 mi) SW of Atka (pop: 64) --> See nearby quakes!
124 km (77 mi) ESE of Adak (pop: 332) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 5 x 1011 joules (139 megawatt hours, equivalent to 120 tons of TNT) 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.
| Magnitude | Depth | Location | Source |
| M 4.6 | 33 km | 88km SW of Atka, Alaska | USGS |
| M 4.8 | 32 km | Andreanof Islands, Aleutian Islands | GFZ |
| M 4.8 | 10 km | ANDREANOF ISLANDS, ALEUTIAN IS. | EMSC |
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