Light mag. 4.0 earthquake - North Pacific Ocean, 110 mi east of Adak, Aleutians West County, Alaska, USA, on Friday, September 06, 2013 23:45:21
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Light magnitude 4.0 earthquake at 25 km depth
7 Sep 12:06 UTC: First to report: USGS after 21 minutes.
Date & time: 7 Sep 2013 11:45:21 UTC
Local time at epicenter: Friday, September 06, 2013 23:45:21
Depth: 25.4 km
Epicenter latitude / longitude: 51.2781°N / 174.2502°W (North Pacific Ocean, Alaska, United States)
Nearest volcano: Sergief (98 km / 61 mi)
Nearby towns and cities:
102 km (63 mi) S of Atka (pop: 64) --> See nearby quakes!
178 km (110 mi) ESE of Adak (pop: 332) --> See nearby quakes!
412 km (256 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||25 km||102km S of Atka, Alaska||USGS|
|M 4.0||25 km||ANDREANOF ISLANDS, ALEUTIAN IS.||EMSC|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.