Moderate mag. 4.7 earthquake - Bering Sea, 49 mi southwest of Atka, Aleutians West County, Alaska, USA, on Wednesday, September 04, 2013 21:49:21
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Moderate magnitude 4.7 earthquake at 30 km depth
5 Sep 10:05 UTC: First to report: USGS after 16 minutes.
Date & time: 5 Sep 2013 09:49:21 UTC
Local time at epicenter: Wednesday, September 04, 2013 21:49:21
Depth: 29.5 km
Epicenter latitude / longitude: 51.5547°N / 174.6835°W (Bering Sea, Alaska, United States)
Nearest volcano: Okmok (21 km / 13 mi)
Nearby towns and cities:
79 km (49 mi) SSW of Atka (pop: 64) --> See nearby quakes!
139 km (86 mi) ESE of Adak (pop: 332) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 7.1 x 1011 joules (197 megawatt hours, equivalent to 169 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.
|M 4.8||24 km||ANDREANOF ISLANDS, ALEUTIAN IS.||EMSC|
|M 5.0||10 km||Fox Islands, Aleutian Islands||GFZ|
|M 4.7||30 km||78km SSW of Atka, Alaska||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.