Moderate mag. 4.6 earthquake - Gulf of Alaska, 78 mi southeast of Sand Point, Alaska, USA, on Monday, 19 Oct 2020 10:34 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 40 minutes earlier.
Quake Data | Interactive map | User Reports | Earlier quakes in same area | Quakes in the US| Alaska | Alaska

Séisme modéré magnitude 4.6 at 37 km depth
Date & time: 19 Oct 2020 21:34:36 UTC -
Local time at epicenter: lundi, 19 oct. 2020 10:34 (GMT -11)
Magnitude: 4.6
Profondeur: 37.4 km
Epicenter latitude / longitude: 54.3379°N / 159.5959°W

Volcan le plus près: Stepovak Bay 2 (177 km / 110 mi)
Nearby towns and cities:
125 km SSE de Sand Point (pop: 1,060) --> Voir les séismes à proximité!
177 km S de Perryville (pop: 113) --> Voir les séismes à proximité!
193 km ESE de King Cove (pop: 1,010) --> Voir les séismes à proximité!
211 km SSE de Nelson Lagoon (pop: 52) --> Voir les séismes à proximité!
220 km SSO de Chignik Lake (pop: 73) --> Voir les séismes à proximité!
222 km ESE de Cold Bay (pop: 123) --> Voir les séismes à proximité!
229 km SSO de Chignik Lagoon (pop: 78) --> Voir les séismes à proximité!
252 km E de False Pass (pop: 40) --> Voir les séismes à proximité!
296 km SSO de Port Heiden (pop: 98) --> Voir les séismes à proximité!
447 km SO de Akhiok (pop: 72) --> Voir les séismes à proximité!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 5 x 1011 joules (139 megawatt hours, equivalent to 120 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 4.6 | 37 km | 125 Km SSE 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!