Weak mag. 2.6 earthquake - 122km SSW of Atka, Alaska, on Friday, August 30, 2013 23:11:11
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Weak magnitude 2.6 earthquake at 21 km depth
1 Sep 04:37 UTC: First to report: USGS after 17 hours.
Date & time: 31 Aug 2013 11:11:11 UTC
Local time at epicenter: Friday, August 30, 2013 23:11:11
Depth: 20.8 km
Epicenter latitude / longitude: 51.1893°N / 174.9027°W (Alaska, Alaska, United States)
Nearest volcano: Sergief (96 km / 60 mi)
Nearby towns and cities:
122 km (76 mi) SSW of Atka (pop: 64) --> See nearby quakes!
142 km (88 mi) ESE of Adak (pop: 332) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 5 x 108 joules (139 kilowatt hours, equivalent to 0.12 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 2.6||21 km||122km 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.At magnitude 2.6, this quake might have been felt very close to the epicenter and under calm conditions.