Light mag. 3.9 earthquake - Gulf of Alaska, 47 mi southwest of Chernabura Island, Aleutians East County, Alaska, USA, on Saturday, 25 July 2020 at 12:39 (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 3 jours earlier.
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Séisme faible magnitude 3.9 at 35 km depth
25 Jul 13:24 UTC: Premier à signaler: USGS après 45 minutes.
Jul 26 05:06: Magnitude recalculée de 3.3 à 3.9.
Jul 26 05:06: Magnitude recalculée de 3.3 à 3.9.
Date & time: 25 Jul 2020 12:39:08 UTC -
Magnitude: 3.9
Profondeur: 35.0 km
Epicenter latitude / longitude: 54.2911°N / 160.3599°W
(Gulf of Alaska, Alaska, États-Unis)Volcan le plus près: Stepovak Bay 2 (108 km / 67 mi)
Nearby towns and cities:
117 km S de Sand Point (pop: 1,060) --> Voir les séismes à proximité!
152 km ESE de King Cove (pop: 1,010) --> Voir les séismes à proximité!
181 km ESE de Cold Bay (pop: 123) --> Voir les séismes à proximité!
196 km SSO de Perryville (pop: 113) --> Voir les séismes à proximité!
198 km SSE de Nelson Lagoon (pop: 52) --> Voir les séismes à proximité!
206 km ESE de False Pass (pop: 40) --> Voir les séismes à proximité!
241 km SSO de Chignik Lake (pop: 73) --> Voir les séismes à proximité!
253 km SSO de Chignik Lagoon (pop: 78) --> Voir les séismes à proximité!
314 km SSO de Port Heiden (pop: 98) --> Voir les séismes à proximité!
353 km E de Akutan (pop: 1,040) --> Voir les séismes à proximité!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 4.5 x 1010 joules (12.4 megawatt hours, equivalent to 10.7 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 | 35 km | 116 km S of Sand Point, Alaska (USA) | USGS |
| M 3.3 | 35 km | South Of Alaska (USA) | EMSC |
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