Light mag. 4.0 earthquake - Gulf of Alaska, 34 mi southeast of Simeonof Island, Aleutians East County, Alaska, USA, on Wednesday, 22 July 2020 at 06:26 (GMT) -
This quake was likely an aftershock of the 7.8 quake Gulf of Alaska, 31 mi east of Simeonof Island, Aleutians East County, Alaska, USA, 22 July 2020 06:12 GMT, which had occurred 13 minutes earlier.
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Séisme faible magnitude 4.0 at 24 km depth
22 Jul 07:40 UTC: Premier à signaler: USGS après 1 heure et 14 minutes.
Jul 23 06:24: Magnitude recalculée de 3.9 à 4.0.
Profondeur recalculée de 44.4 à 24.4 km.
Jul 23 06:24: Magnitude recalculée de 3.9 à 4.0.
Profondeur recalculée de 44.4 à 24.4 km.
Date & time: 22 Jul 2020 06:26:05 UTC -
Magnitude: 4
Profondeur: 24.4 km
Epicenter latitude / longitude: 54.4644°N / 158.8756°W

Volcan le plus près: Stepovak Bay 2 (147 km / 91 mi)
Nearby towns and cities:
142 km SE de Sand Point (pop: 1,060) --> Voir les séismes à proximité!
162 km S de Perryville (pop: 113) --> Voir les séismes à proximité!
199 km S de Chignik Lake (pop: 73) --> Voir les séismes à proximité!
206 km S de Chignik Lagoon (pop: 78) --> Voir les séismes à proximité!
226 km SE de Nelson Lagoon (pop: 52) --> Voir les séismes à proximité!
231 km ESE de King Cove (pop: 1,010) --> Voir les séismes à proximité!
259 km ESE de Cold Bay (pop: 123) --> Voir les séismes à proximité!
449 km E de Akutan (pop: 1,040) --> Voir les séismes à proximité!
535 km SO de Kodiak Station (pop: 1,300) --> Voir les séismes à proximité!
545 km SO de Kodiak (pop: 6,250) --> Voir les séismes à proximité!
Primary data source: USGS (United States Geological Survey)
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.
Magnitude | Profondeur | Location | Source |
M 3.9 | 44 km | South Of Alaska (USA) | EMSC |
M 4.0 | 24 km | 142 km SE of Sand Point, Alaska (USA) | USGS |
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