Strong mag. 5.1 earthquake - North Pacific Ocean, 48 mi southeast of Tigalda Island, Aleutians East County, Alaska, USA, on Tuesday, 27 February 2018 at 02:31 (GMT)

Strong mag. 5.1 earthquake - North Pacific Ocean, 48 mi southeast of Tigalda Island, Aleutians East County, Alaska, USA, on Tuesday, 27 February 2018 at 02:31 (GMT)

Strong magnitude 5.1 earthquake at 10 km depth

Date & time: 27 Feb 2018 02:31:03 UTC
Magnitude: 5.1
Depth: 10.0 km
Epicenter latitude / longitude: 53.52°N / 164.42°W (North Pacific Ocean, United States)
Nearest volcano: Westdahl (112 km / 70 mi)
Nearby towns and cities:
112 km (70 mi) SE of Akutan (pop: 1,040) --> See nearby quakes!
145 km (90 mi) ESE of Unalaska (pop: 4,490) --> See nearby quakes!
146 km (91 mi) ESE of Dutch Harbor (pop: 4,380) --> See nearby quakes!
162 km (101 mi) SSW of False Pass (pop: 40) --> See nearby quakes!
216 km (134 mi) SSW of Cold Bay (pop: 123) --> See nearby quakes!
219 km (136 mi) SW of King Cove (pop: 1,010) --> See nearby quakes!
303 km (188 mi) ENE of Nikolski (pop: 18) --> See nearby quakes!
324 km (201 mi) SW of Sand Point (pop: 1,060) --> See nearby quakes!
344 km (214 mi) SW of Nelson Lagoon (pop: 52) --> See nearby quakes!
431 km (268 mi) SW of Perryville (pop: 113) --> See nearby quakes!
Primary data source: GFZ (German Research Centre for Geosciences)
Estimated released energy: 2.8 x 1012 joules (783 megawatt hours, equivalent to 674 tons of TNT) More info
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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.
MagnitudeDepthLocationSource
M 5.110 kmUnimak Island Region, AlaskaGFZ

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Aftershocks

More info
Recorded aftershocks, latest first (0 quakes):
So far, no aftershocks have been registered.
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Earlier earthquakes in the same area

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