Mag. 3.2 earthquake - Gulf of Alaska, 2.3 mi northwest of Big Koniuji Island, USA, on Saturday, 25 July 2020 at 07:23 (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 3 days earlier.
Quake Data | Interactive map | User Reports | Earlier quakes in same area | Quakes in the US | Alaska | Alaska | Washington DC

Minor magnitude 3.2 earthquake at 40 km depth
26 Jul 04:36 UTC: First to report: USGS after 21 hours.
Magnitude: 3.2
Depth: 39.7 km
Epicenter latitude / longitude: 55.1675°N / 159.5754°W

Nearest volcano: Stepovak Bay 2 (88 km / 55 mi)
Nearby towns and cities:
61 km (38 mi) ESE of Sand Point (pop: 1,060) --> See nearby quakes!
87 km (54 mi) SSW of Perryville (pop: 113) --> See nearby quakes!
131 km (82 mi) SSW of Chignik Lake (pop: 73) --> See nearby quakes!
138 km (86 mi) SE of Nelson Lagoon (pop: 52) --> See nearby quakes!
145 km (90 mi) SSW of Chignik (pop: 87) --> See nearby quakes!
175 km (109 mi) E of King Cove (pop: 1,010) --> See nearby quakes!
200 km (124 mi) E of Cold Bay (pop: 123) --> See nearby quakes!
206 km (128 mi) SSW of Port Heiden (pop: 98) --> See nearby quakes!
6121 km (3803 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
6121 km (3803 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
4 km (2 mi) NNW of Big Koniuji Island --> See nearby quakes!
42 km (26 mi) N of Chernabura Island --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 4 x 109 joules (1.11 megawatt hours, equivalent to 0.951 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 3.2 | 40 km | 61 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
Mag. 3.2 earthquake - Gulf of Alaska, 2.3 mi northwest of Big Koniuji Island, USA, on Saturday, 25 July 2020 at 07:23 (GMT)Click here to search our database for earlier earthquakes in the same area since 1900!