Mag. 4.8 earthquake - Gulf of Alaska, 55 mi south of Sand Point, Aleutians East County, Alaska, USA, on Sunday, 2 August 2020 at 14:39 (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 11 days earlier.
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Light magnitude 4.8 earthquake at 33 km depth
2 Aug 14:59 UTC: First to report: USGS after 20 minutes.
Hypocenter depth recalculated from 27.9 to 38.3 km.
Hypocenter depth recalculated from 38.3 to 38.9 km.
Hypocenter depth recalculated from 38.9 to 33.0 km.
Hypocenter depth recalculated from 27.9 to 38.3 km.
Hypocenter depth recalculated from 38.3 to 38.9 km.
Hypocenter depth recalculated from 38.9 to 33.0 km.
Magnitude: 4.8
Depth: 33.0 km
Epicenter latitude / longitude: 54.5869°N / 160.9357°W
(Gulf of Alaska, Alaska, United States)Nearest volcano: Pavlof (63 km / 39 mi)
Nearby towns and cities:
88 km (55 mi) SSW of Sand Point (pop: 1,060) --> See nearby quakes!
103 km (64 mi) ESE of King Cove (pop: 1,010) --> See nearby quakes!
132 km (82 mi) ESE of Cold Bay (pop: 123) --> See nearby quakes!
158 km (98 mi) S of Nelson Lagoon (pop: 52) --> See nearby quakes!
162 km (101 mi) E of False Pass (pop: 40) --> See nearby quakes!
186 km (116 mi) SW of Perryville (pop: 113) --> See nearby quakes!
318 km (197 mi) ENE of Akutan (pop: 1,040) --> See nearby quakes!
372 km (231 mi) ENE of Unalaska (pop: 4,490) --> See nearby quakes!
6225 km (3868 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
6225 km (3868 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
73 km (46 mi) SSE of Wosnesenski Island --> See nearby quakes!
92 km (57 mi) WSW of Chernabura Island --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1 x 1012 joules (278 megawatt hours, equivalent to 239 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 5.1 | 26 km | Alaska Peninsula (USA) | GFZ |
| M 4.9 | 30 km | Alaska Peninsula (USA) | EMSC |
| M 4.8 | 33 km | 88 km SSW 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.
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. 4.8 earthquake - Gulf of Alaska, 55 mi south of Sand Point, Aleutians East County, Alaska, USA, on Sunday, 2 August 2020 at 14:39 (GMT)
Click here to search our database for earlier earthquakes in the same area since 1900!
