Light mag. 4.1 earthquake - Gulf of Alaska, 75 mi southeast of Sand Point, Alaska, USA, on 19 Oct 1:31 pm (GMT -11) -
This quake was likely an aftershock of the 7.6 quake Gulf of Alaska, 60 mi southeast of Санд-Пойнт, Aleutians East County, Alaska, USA, 19 Oct 2020 11:54 am (GMT -9), which had occurred 4 heures earlier.
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Séisme faible magnitude 4.1 at 32 km depth
20 Oct 01:44 UTC: Premier à signaler: USGS après 1 heure et 13 minutes.
Date & time: 20 Oct 2020 00:31:26 UTC -
Local time at epicenter: 19 Oct 1:31 pm (GMT -11)
Magnitude: 4.1
Profondeur: 31.8 km
Epicenter latitude / longitude: 54.3519°N / 159.7137°W
(Gulf of Alaska, Alaska, États-Unis)Volcan le plus près: Dana (172 km / 107 mi)
Nearby towns and cities:
121 km SSE de Sand Point (pop: 1,060) --> Voir les séismes à proximité!
177 km SSO de Perryville (pop: 113) --> Voir les séismes à proximité!
185 km ESE de King Cove (pop: 1,010) --> Voir les séismes à proximité!
214 km ESE de Cold Bay (pop: 123) --> Voir les séismes à proximité!
220 km SSO de Chignik Lake (pop: 73) --> Voir les séismes à proximité!
230 km SSO de Chignik Lagoon (pop: 78) --> Voir les séismes à proximité!
395 km E de Akutan (pop: 1,040) --> Voir les séismes à proximité!
448 km E de Unalaska (pop: 4,490) --> Voir les séismes à proximité!
582 km SO de Kodiak Station (pop: 1,300) --> Voir les séismes à proximité!
593 km SO de Kodiak (pop: 6,250) --> Voir les séismes à proximité!
Weather at epicenter at time of quake:
Clear Sky
8.2°C (47 F), humidity: 74%, wind: 6 m/s (12 kts) from NW
Primary data source: USGS (United States Geological Survey)Clear Sky
8.2°C (47 F), humidity: 74%, wind: 6 m/s (12 kts) from NWEstimated released energy: 8.9 x 1010 joules (24.8 megawatt hours, equivalent to 21.3 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 4.1 | 32 km | 120 Km SSE of Sand Point, Alaska, USA | USGS |
| M 4.1 | 32 km | South Of Alaska, USA | EMSC |
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