Minor mag. 2.9 earthquake - Bering Sea, 25 mi northwest of Atka, Aleutians West, Alaska, USA, on Saturday, 20 February 2021 at 18:20 (GMT) -
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Minor magnitude 2.9 earthquake at 234 km depth
20 Feb 22:30 UTC: First to report: USGS after 4 hours.
Date & time: 20 Feb 2021 18:20:42 UTC -
Depth: 234.0 km
Epicenter latitude / longitude: 52.4139°N / 174.6606°W (Bering Sea, Alaska, United States)
Nearest volcano: Korovin (34 km / 21 mi)
Nearby towns and cities:
40 km (25 mi) NW of Atka (pop: 64) --> See nearby quakes!
147 km (92 mi) ENE of Adak (pop: 332) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.4 x 109 joules (392 kilowatt hours, equivalent to 0.338 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.
|2.9||234 km||39 Km NW of Atka, Alaska, USA||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.At magnitude 2.9, this quake might have been felt very close to the epicenter and under calm conditions.