Minor mag. 2.8 earthquake - 4 mi south of Adak, Aleutians West County, Alaska, USA, on Wednesday, December 04, 2013 06:56:03
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Minor magnitude 2.8 earthquake at 88 km depth
4 Dec 18:06 UTC: First to report: USGS after 1 hour and 10 minutes.
Date & time: 4 Dec 2013 16:56:03 UTC
Local time at epicenter: Wednesday, December 04, 2013 06:56:03
Depth: 87.7 km
Epicenter latitude / longitude: 51.8156°N / 176.6295°W (Aleutians West County, Alaska, United States)
Nearest volcano: Moffett (16 km / 10 mi)
Nearby towns and cities:
6 km (4 mi) S of Adak (pop: 332) --> See nearby quakes!
172 km (107 mi) WSW of Atka (pop: 64) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1 x 109 joules (278 kilowatt hours, equivalent to 0.239 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 2.8||88 km||7km SSE of Adak, Alaska||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.At magnitude 2.8, this quake might have been felt very close to the epicenter and under calm conditions.