Moderate mag. 4.3 earthquake - North Pacific Ocean, 329 mi southwest of Unalaska, Aleutians West (CA) County, Alaska, USA, on Thursday, October 10, 2013 22:47:21

Moderate mag. 4.3 earthquake - North Pacific Ocean, 329 mi southwest of Unalaska, Aleutians West (CA) County, Alaska, USA, on Thursday, October 10, 2013 22:47:21

Moderate magnitude 4.3 earthquake at 19 km depth

11 Oct 11:30 UTC: First to report: USGS after 43 minutes.
Date & time: 11 Oct 2013 10:47:21 UTC
Local time at epicenter: Thursday, October 10, 2013 22:47:21
Magnitude: 4.3
Depth: 18.5 km
Epicenter latitude / longitude: 51.4095°N / 173.255°W (North Pacific Ocean, Alaska, United States)
Nearest volcano: Seguam (113 km / 70 mi)
Nearby towns and cities:
109 km (68 mi) SE of Atka (pop: 64) --> See nearby quakes!
239 km (148 mi) E of Adak (pop: 332) --> See nearby quakes!
345 km (214 mi) WSW of Nikolski (pop: 18) --> See nearby quakes!
530 km (329 mi) WSW of Unalaska (pop: 4,490) --> 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
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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.
MagnitudeDepthLocationSource
M 4.318 kmANDREANOF ISLANDS, ALEUTIAN IS.EMSC
M 4.319 km109km SE of Atka, AlaskaUSGS

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake yet. If you felt it be the first to report it!
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Earlier earthquakes in the same area

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