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
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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
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
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||18 km||ANDREANOF ISLANDS, ALEUTIAN IS.||EMSC|
|M 4.3||19 km||109km SE 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.