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)

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)

Séisme modéré magnitude 5.0 at 28 km depth

Date & time: 23 Feb 2018 03:31:16 UTC
Magnitude: 5
Profondeur: 27.5 km
Epicenter latitude / longitude: 55.5351°N / 158.8342°W (Gulf of Alaska, Alaska, États-Unis)
Volcan le plus près: Veniaminof (78 km / 48 mi)
Nearby towns and cities:
46 km SSE de Perryville (pop: 113) --> Voir les séismes à proximité!
80 km S de Chignik Lake (pop: 73) --> Voir les séismes à proximité!
88 km SSO de Chignik Lagoon (pop: 78) --> Voir les séismes à proximité!
107 km ENE de Sand Point (pop: 1,060) --> Voir les séismes à proximité!
157 km S de Port Heiden (pop: 98) --> Voir les séismes à proximité!
157 km ESE de Nelson Lagoon (pop: 52) --> Voir les séismes à proximité!
227 km ENE de King Cove (pop: 1,010) --> Voir les séismes à proximité!
249 km E de Cold Bay (pop: 123) --> Voir les séismes à proximité!
446 km OSO de Womens Bay (pop: 719) --> Voir les séismes à proximité!
455 km OSO de Kodiak Station (pop: 1,300) --> Voir les séismes à proximité!
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
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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.
MagnitudeProfondeurLocationSource
M 5.028 km- 68km SSW of Chignik Lake, AlaskaUSGS

shake map
(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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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)
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Aftershocks

More info
Recorded aftershocks, latest first (0 quakes):
So far, no aftershocks have been registered.

Earlier earthquakes in the same area

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