Light mag. 4.0 earthquake - Gulf of Alaska, 73 mi southeast of Sand Point, Alaska, USA, on 24 Oct 11:52 am (GMT -11) -
This quake was likely an aftershock of the 7.6 quake Gulf of Alaska, 60 mi southeast of Sand Point, Aleutians East County, Alaska, USA, 19 Oct 2020 11:54 am (GMT -9), which had occurred 5 jours earlier.
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Séisme faible magnitude 4.0 at 33 km depth
24 Oct 23:17 UTC: Premier à signaler: USGS après 25 minutes.
Date & time: 24 Oct 2020 22:52:34 UTC -
Local time at epicenter: 24 Oct 11:52 am (GMT -11)
Magnitude: 4
Profondeur: 33.1 km
Epicenter latitude / longitude: 54.4288°N / 159.5398°W
(Gulf of Alaska, Alaska, États-Unis)Volcan le plus près: Stepovak Bay 2 (168 km / 104 mi)
Nearby towns and cities:
118 km SSE de Sand Point (pop: 1,060) --> Voir les séismes à proximité!
167 km S de Perryville (pop: 113) --> Voir les séismes à proximité!
192 km ESE de King Cove (pop: 1,010) --> Voir les séismes à proximité!
209 km SSO de Chignik Lake (pop: 73) --> Voir les séismes à proximité!
219 km SSO de Chignik Lagoon (pop: 78) --> Voir les séismes à proximité!
221 km ESE de Cold Bay (pop: 123) --> Voir les séismes à proximité!
406 km E de Akutan (pop: 1,040) --> Voir les séismes à proximité!
460 km E de Unalaska (pop: 4,490) --> Voir les séismes à proximité!
568 km SO de Kodiak Station (pop: 1,300) --> Voir les séismes à proximité!
579 km SO de Kodiak (pop: 6,250) --> Voir les séismes à proximité!
Weather at epicenter at time of quake:
Overcast Clouds
9°C (48 F), humidity: 92%, wind: 6 m/s (12 kts) from S
Primary data source: USGS (United States Geological Survey)Overcast Clouds
9°C (48 F), humidity: 92%, wind: 6 m/s (12 kts) from SEstimated 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 4.0 | 33 km | 118 Km SSE of Sand Point, Alaska, USA | USGS |
| M 4.0 | 33 km | South Of Alaska, USA | EMSC |
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