Moderate mag. 4.0 earthquake - North Pacific Ocean, 81 mi southeast of Adak, Aleutians West County, Alaska, USA, on Tuesday, 28 April 2015 at 13:41 (GMT)
Quake Data | Interactive map | User Reports | Earlier quakes in same area | Quakes in the US| Alaska
Moderate magnitude 4.0 earthquake at 10 km depth
28 Apr 17:10 UTC: First to report: EMSC after 3 hours.
Date & time: 28 Apr 2015 13:41:25 UTC
Depth: 10.0 km
Epicenter latitude / longitude: 51.09°N / 175.22°W (North Pacific Ocean, United States)
Nearest volcano: Sergief (108 km / 67 mi)
Nearby towns and cities:
131 km (81 mi) SE of Adak (pop: 332) --> See nearby quakes!
142 km (88 mi) SSW of Atka (pop: 64) --> See nearby quakes!
481 km (299 mi) WSW of Nikolski (pop: 18) --> See nearby quakes!
Primary data source: EMSC (European-Mediterranean Seismological Centre)
Estimated released energy: 6.3 x 1010 joules (17.5 megawatt hours, equivalent to 15.1 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 4.0||10 km||ANDREANOF ISLANDS, ALEUTIAN IS.||EMSC|
|M 4.0||10 km||132km SE of Adak, Alaska||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.