Light mag. 3.6 earthquake - Gulf of Alaska, 54 mi southeast of Sand Point, Aleutians East County, Alaska, USA, on Thursday, 4 Mar 2021 3:11 pm (GMT -9) -
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Light magnitude 3.6 earthquake at 30 km depth
5 Mar 01:44 UTC: First to report: USGS after 1 hour and 33 minutes.
Date & time: 5 Mar 2021 00:11:28 UTC -
Local time at epicenter: Thursday, 4 Mar 2021 3:11 pm (GMT -9)
Depth: 30.3 km
Epicenter latitude / longitude: 54.7114°N / 159.6854°W (Gulf of Alaska, Alaska, United States)
Nearest volcano: Stepovak Bay 2 (136 km / 85 mi)
Nearby towns and cities:
87 km (54 mi) SE of Sand Point (pop: 1,060) --> See nearby quakes!
138 km (86 mi) SSW of Perryville (pop: 113) --> See nearby quakes!
173 km (107 mi) SE of Nelson Lagoon (pop: 52) --> See nearby quakes!
173 km (107 mi) E of King Cove (pop: 1,010) --> See nearby quakes!
181 km (113 mi) SSW of Chignik Lake (pop: 73) --> See nearby quakes!
192 km (119 mi) SSW of Chignik Lagoon (pop: 78) --> See nearby quakes!
201 km (125 mi) ESE of Cold Bay (pop: 123) --> See nearby quakes!
239 km (149 mi) E of False Pass (pop: 40) --> See nearby quakes!
257 km (160 mi) SSW of Port Heiden (pop: 98) --> See nearby quakes!
399 km (248 mi) ENE of Akutan (pop: 1,040) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.6 x 1010 joules (4.4 megawatt hours, equivalent to 3.79 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.
|3.6||30 km||86 Km SE of Sand Point, Alaska, USA||USGS|
|3.6||30 km||SOUTH OF ALASKA, USA||EMSC|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.