Minor mag. 2.2 earthquake - 71km ESE of Atka, Alaska, on Tuesday, April 21, 2015 05:01:04
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Minor magnitude 2.2 earthquake at 41 km depth
21 Apr 18:10 UTC: First to report: USGS after 4 hours.
Date & time: 21 Apr 2015 14:01:04 UTC
Local time at epicenter: Tuesday, April 21, 2015 05:01:04
Depth: 41.4 km
Epicenter latitude / longitude: 51.8963°N / 173.2828°W (Alaska, Alaska, United States)
Nearest volcano: Seguam (70 km / 43 mi)
Nearby towns and cities:
71 km (44 mi) ESE of Atka (pop: 64) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.3 x 108 joules (35 kilowatt hours) 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 2.2||41 km||71km ESE 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.At magnitude 2.2, this quake was probably too small to be felt by humans, but it could be recorded instrumentally.