Moderate mag. 4.3 earthquake - North Pacific Ocean, 91 mi southeast of Adak, Aleutians West County, Alaska, USA, on Friday, August 30, 2013 18:51:48
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Moderate magnitude 4.3 earthquake at 25 km depth
31 Aug 09:04 UTC: First to report: USGS after 2 hours and 12 minutes.
Date & time: 31 Aug 2013 06:51:48 UTC
Local time at epicenter: Friday, August 30, 2013 18:51:48
Depth: 24.8 km
Epicenter latitude / longitude: 50.9506°N / 175.1229°W (North Pacific Ocean, Alaska, United States)
Nearest volcano: Sergief (123 km / 76 mi)
Nearby towns and cities:
147 km (91 mi) SE of Adak (pop: 332) --> See nearby quakes!
152 km (95 mi) SSW of Atka (pop: 64) --> See nearby quakes!
483 km (300 mi) WSW of Nikolski (pop: 18) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.8 x 1011 joules (49.4 megawatt hours, equivalent to 42.5 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 4.3||25 km||148km SE 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.