Light mag. 4.0 earthquake - Bering Sea, 50 mi northeast of Atka, Aleutians West County, Alaska, USA, on Friday, October 04, 2013 04:50:19

Light mag. 4.0 earthquake - Bering Sea, 50 mi northeast of Atka, Aleutians West County, Alaska, USA, on Friday, October 04, 2013 04:50:19

Light magnitude 4.0 earthquake at 103 km depth

4 Oct 17:58 UTC: First to report: USGS after 1 hour and 8 minutes.
Date & time: 4 Oct 2013 16:50:19 UTC
Local time at epicenter: Friday, October 04, 2013 04:50:19
Magnitude: 4
Depth: 102.9 km
Epicenter latitude / longitude: 52.5657°N / 173.1935°W (Bering Sea, Alaska, United States)
Nearest volcano: Seguam (54 km / 34 mi)
Nearby towns and cities:
80 km (50 mi) ENE of Atka (pop: 64) --> See nearby quakes!
247 km (153 mi) ENE of Adak (pop: 332) --> See nearby quakes!
295 km (183 mi) W of Nikolski (pop: 18) --> See nearby quakes!
467 km (290 mi) WSW of Unalaska (pop: 4,490) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 6.3 x 1010 joules (17.5 megawatt hours, equivalent to 15.1 tons of TNT) 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 4.0103 kmANDREANOF ISLANDS, ALEUTIAN IS.EMSC
M 4.0103 km79km ENE of Atka, AlaskaUSGS

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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Earlier earthquakes in the same area

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