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 weeks earlier.
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Minor magnitude 2.9 earthquake at 128 km depth
11 Sep 18:50 UTC: First to report: USGS after 2 hours and 19 minutes.
Magnitude: 2.9
Depth: 127.5 km
Epicenter latitude / longitude: 56.3062°N / 159.313°W
(Lake and Peninsula County, Alaska, United States)Nearest volcano: Veniaminof (16 km / 10 mi)
Nearby towns and cities:
34 km (21 mi) W of Chignik Lake (pop: 73) --> See nearby quakes!
45 km (28 mi) NNW of Perryville (pop: 113) --> See nearby quakes!
56 km (35 mi) W of Chignik (pop: 87) --> See nearby quakes!
82 km (51 mi) SSW of Port Heiden (pop: 98) --> See nearby quakes!
122 km (76 mi) ENE of Nelson Lagoon (pop: 52) --> See nearby quakes!
131 km (81 mi) NNE of Sand Point (pop: 1,060) --> See nearby quakes!
234 km (145 mi) NE of King Cove (pop: 1,010) --> See nearby quakes!
1503 km (934 mi) W of Juneau (pop: 32,800) --> See nearby quakes!
6064 km (3768 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
6064 km (3768 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
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 | Depth | 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.
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
Mag. 2.9 earthquake - 21 mi west of Chignik Lake, Alaska, USA, on Friday, 11 September 2020 at 16:30 (GMT)
Click here to search our database for earlier earthquakes in the same area since 1900!
