Light mag. 4.1 earthquake - Gulf of Alaska, 78 mi southeast of Sand Point, Alaska, USA, on 19 Oct 7:44 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 10 heures earlier.
Quake Data | Interactive map | User Reports | Earlier quakes in same area | Quakes in the US| Alaska | Alaska
Séisme faible magnitude 4.1 at 25 km depth
20 Oct 07:04 UTC: Premier à signaler: USGS après 20 minutes.
Date & time: 20 Oct 2020 06:44:42 UTC -
Local time at epicenter: 19 Oct 7:44 pm (GMT -11)
Magnitude: 4.1
Profondeur: 25.3 km
Epicenter latitude / longitude: 54.292°N / 159.7378°W
(Gulf of Alaska, Alaska, États-Unis)Volcan le plus près: Dana (177 km / 110 mi)
Nearby towns and cities:
126 km SSE de Sand Point (pop: 1,060) --> Voir les séismes à proximité!
184 km SSO de Perryville (pop: 113) --> Voir les séismes à proximité!
187 km ESE de King Cove (pop: 1,010) --> Voir les séismes à proximité!
212 km SSE de Nelson Lagoon (pop: 52) --> Voir les séismes à proximité!
216 km ESE de Cold Bay (pop: 123) --> Voir les séismes à proximité!
227 km SSO de Chignik Lake (pop: 73) --> Voir les séismes à proximité!
393 km E de Akutan (pop: 1,040) --> Voir les séismes à proximité!
446 km E de Unalaska (pop: 4,490) --> Voir les séismes à proximité!
588 km SO de Kodiak Station (pop: 1,300) --> Voir les séismes à proximité!
598 km SO de Kodiak (pop: 6,250) --> Voir les séismes à proximité!
Weather at epicenter at time of quake:
Clear Sky
8°C (46 F), humidity: 68%, wind: 4 m/s (8 kts) from NNW
Primary data source: USGS (United States Geological Survey)Clear Sky
8°C (46 F), humidity: 68%, wind: 4 m/s (8 kts) from NNWEstimated 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 | 25 km | 126 Km SSE of Sand Point, Alaska, USA | USGS |
| M 4.1 | 25 km | South Of Alaska, USA | EMSC |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake yet. If you felt it be the first to report it!
Earlier earthquakes in the same area
Click here to search our database for earlier earthquakes in the same area since 1900!
