Mag. 4.8 earthquake - 63 mi southeast of Sand Point, Aleutians East County, Alaska, on 19 Oct 2:20 pm (GMT -8) -

This quake was likely an aftershock of the 7.6 quake Gulf of Alaska, 60 mi southeast of Sand Point, Aleutians East County, Alaska, USA, 19 Oct 2020 11:54 am (GMT -9), which had occurred 1 hour and 26 minutes earlier.
Mag. 4.8 earthquake  - 63 mi southeast of Sand Point, Aleutians East County, Alaska, on 19 Oct 2:20 pm (GMT -8)

Light magnitude 4.8 earthquake at 31 km depth

19 Oct 22:33 UTC: First to report: GeoAu after 13 minutes.
19 Oct 22:37: Now using data updates from USGS
Date & time: 19 Oct 2020 22:20:12 UTC -
Local time at epicenter: 19 Oct 2:20 pm (GMT -8)
Magnitude: 4.8
Depth: 30.9 km
Epicenter latitude / longitude: 54.5986°N / 159.5689°W (Gulf of Alaska, United States)
Nearest volcano: Stepovak Bay 2 (149 km / 93 mi)
Nearby towns and cities:
101 km (63 mi) SE of Sand Point (pop: 1,060) --> See nearby quakes!
148 km (92 mi) S of Perryville (pop: 113) --> See nearby quakes!
183 km (114 mi) ESE of King Cove (pop: 1,010) --> See nearby quakes!
187 km (116 mi) SE of Nelson Lagoon (pop: 52) --> See nearby quakes!
191 km (119 mi) SSW of Chignik Lake (pop: 73) --> See nearby quakes!
201 km (125 mi) SSW of Chignik Lagoon (pop: 78) --> See nearby quakes!
212 km (132 mi) ESE of Cold Bay (pop: 123) --> See nearby quakes!
405 km (252 mi) E of Akutan (pop: 1,040) --> See nearby quakes!
6142 km (3817 mi) NW of Washington DC (pop: 601,700) --> See nearby quakes!
6142 km (3817 mi) NW of Washington DC (pop: 601,700) --> See nearby quakes!
21 km (13 mi) S of Chernabura Island --> See nearby quakes!
Weather at epicenter at time of quake:
Scattered Clouds 8.2°C (47 F), humidity: 74%, wind: 7 m/s (15 kts) from WNW
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
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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.
MagnitudeDepthLocationSource
M 4.831 km101 Km SE of Sand Point, Alaska, USAUSGS
M 5.323 kmSouth of Alaska, USAGeoAu
M 4.831 kmSouth Of Alaska, USAEMSC

User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
931 km NE of epicenter [Map] / not felt (reported through our app)
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Earlier earthquakes in the same area

Mag. 4.8 earthquake - 63 mi southeast of Sand Point, Aleutians East County, Alaska, on 19 Oct 2:20 pm (GMT -8)
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