Mag. 4.5 earthquake - Gulf of Alaska, 67 mi southeast of Sand Point, Alaska, USA, on 19 Oct 10:43 am (GMT -11) -

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 49 minutes earlier.
Mag. 4.5 earthquake - Gulf of Alaska, 67 mi southeast of Sand Point, Alaska, USA, on 19 Oct 10:43 am (GMT -11)

Light magnitude 4.5 earthquake at 34 km depth

19 Oct 22:07 UTC: First to report: USGS after 24 minutes.
19 Oct 22:15: Magnitude recalculated from 5.0 to 4.5. Hypocenter depth recalculated from 25.1 to 33.5 km (from 15.6 to 21 mi). Epicenter location corrected by 10.3 km (6.4 mi) towards NNW.
Date & time: 19 Oct 2020 21:43:36 UTC -
Local time at epicenter: 19 Oct 10:43 am (GMT -11)
Magnitude: 4.5
Depth: 33.5 km
Epicenter latitude / longitude: 54.4819°N / 159.7248°W (Gulf of Alaska, Alaska, United States)
Nearest volcano: Dana (160 km / 99 mi)
Nearby towns and cities:
107 km (67 mi) SSE of Sand Point (pop: 1,060) --> See nearby quakes!
163 km (101 mi) SSW of Perryville (pop: 113) --> See nearby quakes!
178 km (111 mi) ESE of King Cove (pop: 1,010) --> See nearby quakes!
193 km (120 mi) SSE of Nelson Lagoon (pop: 52) --> See nearby quakes!
207 km (129 mi) ESE of Cold Bay (pop: 123) --> See nearby quakes!
395 km (245 mi) E of Akutan (pop: 1,040) --> See nearby quakes!
448 km (279 mi) ENE of Unalaska (pop: 4,490) --> See nearby quakes!
583 km (363 mi) SW of Kodiak (pop: 6,250) --> See nearby quakes!
6156 km (3825 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
6156 km (3825 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
36 km (22 mi) SSW of Chernabura Island --> See nearby quakes!
Weather at epicenter at time of quake:
Scattered Clouds 8.2°C (47 F), humidity: 70%, wind: 6 m/s (12 kts) from W
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 3.5 x 1011 joules (98.6 megawatt hours, equivalent to 84.8 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 4.534 km107 Km SSE of Sand Point, Alaska, USAUSGS
M 4.534 kmSouth Of Alaska, USAEMSC

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!
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Earlier earthquakes in the same area since 1900

Mag. 4.5 earthquake - Gulf of Alaska, 67 mi southeast of Sand Point, Alaska, USA, on 19 Oct 10:43 am (GMT -11)

Map of earlier quakes

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