Moderate mag. 5.3 earthquake - Gulf of Alaska, 96 mi east of Sand Point, Aleutians East County, Alaska, USA, on Tuesday, 18 August 2020 at 18:28 (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 4 weeks earlier.
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Moderate magnitude 5.3 earthquake at 5 km depth
Magnitude: 5.3
Depth: 5.0 km
Epicenter latitude / longitude: 55.215°N / 158.063°W
(Gulf of Alaska, United States)Nearest volcano: Veniaminof (135 km / 84 mi)
Nearby towns and cities:
103 km (64 mi) SE of Perryville (pop: 113) --> See nearby quakes!
124 km (77 mi) SSE of Chignik Lake (pop: 73) --> See nearby quakes!
125 km (78 mi) SSE of Chignik Lagoon (pop: 78) --> See nearby quakes!
155 km (96 mi) E of Sand Point (pop: 1,060) --> See nearby quakes!
195 km (121 mi) S of Port Heiden (pop: 98) --> See nearby quakes!
271 km (168 mi) E of King Cove (pop: 1,010) --> See nearby quakes!
439 km (273 mi) SW of Kodiak Station (pop: 1,300) --> See nearby quakes!
450 km (279 mi) SW of Kodiak (pop: 6,250) --> See nearby quakes!
6029 km (3746 mi) NW of Washington DC (pop: 601,700) --> See nearby quakes!
6029 km (3746 mi) NW of Washington DC (pop: 601,700) --> See nearby quakes!
84 km (52 mi) ENE of Simeonof Island --> See nearby quakes!
372 km (231 mi) SW of Kodiak Island (pop: 13,600) --> See nearby quakes!
Primary data source: GeoAu (Geoscience Australia )
Estimated released energy: 5.6 x 1012 joules (1.56 gigawatt hours, equivalent to 1344 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 5.3 | 5 km | Alaska Peninsula (USA) | GeoAu |
| M 5.0 | 42 km | 127 km SE of Perryville, 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
Moderate mag. 5.3 earthquake - Gulf of Alaska, 96 mi east of Sand Point, Aleutians East County, Alaska, USA, on Tuesday, 18 August 2020 at 18:28 (GMT)
Click here to search our database for earlier earthquakes in the same area since 1900!
