Light mag. 3.9 earthquake - North Pacific Ocean, 96 mi southeast of Adak, Aleutians West County, Alaska, USA, on Friday, August 30, 2013 20:31:47
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Light magnitude 3.9 earthquake at 25 km depth
31 Aug 10:56 UTC: First to report: USGS after 2 hours and 24 minutes.
Date & time: 31 Aug 2013 08:31:47 UTC
Local time at epicenter: Friday, August 30, 2013 20:31:47
Depth: 24.6 km
Epicenter latitude / longitude: 51.1681°N / 174.7132°W (North Pacific Ocean, Alaska, United States)
Nearest volcano: Sergief (99 km / 62 mi)
Nearby towns and cities:
120 km (74 mi) SSW of Atka (pop: 64) --> See nearby quakes!
154 km (96 mi) ESE of Adak (pop: 332) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 4.5 x 1010 joules (12.4 megawatt hours, equivalent to 10.7 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 3.9||25 km||119km 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.