Weak mag. 2.6 earthquake - 114km SSW of Atka, Alaska, on Thursday, May 21, 2015 11:10:57
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Weak magnitude 2.6 earthquake at 11 km depth
22 May 02:10 UTC: First to report: USGS after 2 hours and 59 minutes.
Date & time: 21 May 2015 23:10:57 UTC
Local time at epicenter: Thursday, May 21, 2015 11:10:57
Depth: 10.9 km
Epicenter latitude / longitude: 51.3046°N / 175.0152°W (Alaska, Alaska, United States)
Nearest volcano: Sergief (83 km / 52 mi)
Nearby towns and cities:
114 km (71 mi) SSW of Atka (pop: 64) --> See nearby quakes!
129 km (80 mi) ESE of Adak (pop: 332) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 5 x 108 joules (139 kilowatt hours, equivalent to 0.12 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 2.6||10.9 km||114km SSW 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 2.6, this quake might have been felt very close to the epicenter and under calm conditions.