Moderate mag. 5.0 earthquake - Gulf of Alaska, 29 mi southeast of Perryville, Lake and Peninsula County, Alaska, USA, on Friday, 23 February 2018 at 03:31 (GMT)
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Moderate magnitude 5.0 earthquake at 28 km depth
Magnitude: 5
Depth: 27.5 km
Epicenter latitude / longitude: 55.5351°N / 158.8342°W
(Gulf of Alaska, Alaska, United States)Nearest volcano: Veniaminof (78 km / 48 mi)
Nearby towns and cities:
46 km (29 mi) SSE of Perryville (pop: 113) --> See nearby quakes!
80 km (50 mi) S of Chignik Lake (pop: 73) --> See nearby quakes!
89 km (55 mi) SSW of Chignik (pop: 87) --> See nearby quakes!
107 km (67 mi) ENE of Sand Point (pop: 1,060) --> See nearby quakes!
157 km (98 mi) S of Port Heiden (pop: 98) --> See nearby quakes!
157 km (98 mi) ESE of Nelson Lagoon (pop: 52) --> See nearby quakes!
227 km (141 mi) ENE of King Cove (pop: 1,010) --> See nearby quakes!
249 km (155 mi) E of Cold Bay (pop: 123) --> See nearby quakes!
6063 km (3768 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
6063 km (3768 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
63 km (39 mi) NE of Big Koniuji Island --> See nearby quakes!
95 km (59 mi) NNE of Chernabura Island --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2 x 1012 joules (554 megawatt hours, equivalent to 477 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.
| Magnitude | Depth | Location | Source |
| M 5.0 | 28 km | - 68km SSW of Chignik Lake, Alaska | USGS |
(shakemap: USGS)
User reports for this quake (3)
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Send your own user report!
Prishtina, Kosova (9098.6 km N of epicenter) [Map] / Light shaking (MMI IV) : I was studying for my exam at nearly 04;00 o clock. It was very quiet when I suddently felt or maybe heard a strange noise coming from outside or better saying coming from the uder ground. I never felt an earthquake before. At the same day, after 18 hours i felt another earthquake, stronger han the first one. Strange!
404.6 km SSW of epicenter [Map] / Violent shaking (MMI IX)
46.7 km NNW of epicenter [Map] / Moderate shaking (MMI V) (reported through our app)
Aftershocks of the 5.0 quake Gulf of Alaska, 29 mi southeast of Perryville, Lake and Peninsula County, Alaska, USA, 23 February 2018 03:31 GMT
More info
Recorded aftershocks, latest first (0 quakes):So far, no aftershocks have been registered.
Earlier earthquakes in the same area
Moderate mag. 5.0 earthquake - Gulf of Alaska, 29 mi southeast of Perryville, Lake and Peninsula County, Alaska, USA, on Friday, 23 February 2018 at 03:31 (GMT)
Click here to search our database for earlier earthquakes in the same area since 1900!
