Light mag. 4.0 earthquake - North Pacific Ocean, 57 mi southeast of Anagaksik Island, Aleutians West County, Alaska, USA, on Friday, August 30, 2013 20:16:12
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Light magnitude 4.0 earthquake at 35 km depth
31 Aug 10:46 UTC: First to report: USGS after 2 hours and 30 minutes.
Date & time: 31 Aug 2013 08:16:12 UTC
Local time at epicenter: Friday, August 30, 2013 20:16:12
Depth: 35.3 km
Epicenter latitude / longitude: 51.2493°N / 174.9901°W (North Pacific Ocean, Alaska, United States)
Nearest volcano: Sergief (89 km / 55 mi)
Nearby towns and cities:
119 km (74 mi) SSW of Atka (pop: 64) --> See nearby quakes!
133 km (83 mi) ESE of Adak (pop: 332) --> See nearby quakes!
459 km (285 mi) WSW of Nikolski (pop: 18) --> 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
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 4.0||35 km||118km 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.