Minor mag. 2.9 earthquake - 21 mi west of Chignik Lake, Alaska, USA, on Friday, 11 September 2020 at 16:30 (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 mineur magnitude 2.9 at 128 km depth
11 Sep 18:50 UTC: Premier à signaler: USGS après 2 heures et 19 minutes.
Date & time: 11 Sep 2020 16:30:42 UTC -
Magnitude: 2.9
Profondeur: 127.5 km
Epicenter latitude / longitude: 56.3062°N / 159.313°W

Volcan le plus près: Veniaminof (16 km / 10 mi)
Nearby towns and cities:
34 km O de Chignik Lake (pop: 73) --> Voir les séismes à proximité!
45 km NNO de Perryville (pop: 113) --> Voir les séismes à proximité!
48 km O de Chignik Lagoon (pop: 78) --> Voir les séismes à proximité!
82 km SSO de Port Heiden (pop: 98) --> Voir les séismes à proximité!
122 km ENE de Nelson Lagoon (pop: 52) --> Voir les séismes à proximité!
131 km NNE de Sand Point (pop: 1,060) --> Voir les séismes à proximité!
178 km SO de Ugashik (pop: 12) --> Voir les séismes à proximité!
234 km NE de King Cove (pop: 1,010) --> Voir les séismes à proximité!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.4 x 109 joules (392 kilowatt hours, equivalent to 0.338 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 2.9 | 128 km | 34 Km W of Chignik Lake, Alaska (USA) | USGS |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
At magnitude 2.9, this quake might have been felt very close to the epicenter and under calm conditions.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!