Minor mag. 2.5 earthquake - 213km S of Atka, Alaska, on Wednesday, September 18, 2013 08:20:00
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Minor magnitude 2.5 earthquake at 50 km depth
19 Sep 19:20 UTC: First to report: USGS after 23 hours.
Date & time: 18 Sep 2013 20:20:00 UTC
Local time at epicenter: Wednesday, September 18, 2013 08:20:00
Depth: 50.2 km
Epicenter latitude / longitude: 50.3015°N / 173.7341°W (Alaska, Alaska, United States)
Nearest volcano: Sergief (212 km / 132 mi)
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 3.5 x 108 joules (98.6 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 2.5||50 km||213km S 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 2.5, this quake might have been felt very close to the epicenter and under calm conditions.