Light mag. 3.9 earthquake - 40 mi east of Sand Point, Alaska, USA, on Monday, 7 September 2020 at 02:49 (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 7 semaines earlier.
Quake Data | Interactive map | User Reports | Earlier quakes in same area | Quakes in the US| Alaska

Séisme faible magnitude 3.9 at 46 km depth
7 Sep 03:01 UTC: Premier à signaler: USGS après 12 minutes.
Date & time: 7 Sep 2020 02:49:22 UTC -
Magnitude: 3.9
Profondeur: 45.8 km
Epicenter latitude / longitude: 55.16°N / 159.5451°W

Volcan le plus près: Stepovak Bay 2 (89 km / 55 mi)
Nearby towns and cities:
64 km ESE de Sand Point (pop: 1,060) --> Voir les séismes à proximité!
87 km SSO de Perryville (pop: 113) --> Voir les séismes à proximité!
131 km SSO de Chignik Lake (pop: 73) --> Voir les séismes à proximité!
140 km SE de Nelson Lagoon (pop: 52) --> Voir les séismes à proximité!
143 km SSO de Chignik Lagoon (pop: 78) --> Voir les séismes à proximité!
177 km E de King Cove (pop: 1,010) --> Voir les séismes à proximité!
202 km E de Cold Bay (pop: 123) --> Voir les séismes à proximité!
206 km SSO de Port Heiden (pop: 98) --> Voir les séismes à proximité!
249 km E de False Pass (pop: 40) --> Voir les séismes à proximité!
417 km ENE 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 | 46 km | 63 Km ESE of Sand Point, Alaska (USA) | USGS |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
be the first to report it!
There are no user reports for this quake yet. If you felt it Earlier earthquakes in the same area
Click here to search our database for earlier earthquakes in the same area since 1900!