Minor mag. 1.3 earthquake - 38 Km ESE of Port Heiden, Alaska, USA, on Tuesday, 23 February 2021 at 20:07 (GMT) -
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Minor magnitude 1.3 earthquake at 8 km depth
24 Feb 04:48 UTC: First to report: USGS after 9 hours.
Date & time: 23 Feb 2021 20:07:47 UTC -
Depth: 8.2 km
Epicenter latitude / longitude: 56.859°N / 158.0195°W (Alaska, United States)
Nearest volcano: Aniakchak (9 km / 6 mi)
Nearby towns and cities:
38 km (24 mi) ESE of Port Heiden (pop: 98) --> See nearby quakes!
69 km (43 mi) NNE of Chignik Lagoon (pop: 78) --> See nearby quakes!
81 km (50 mi) NNE of Chignik Lake (pop: 73) --> See nearby quakes!
82 km (51 mi) SSW of Ugashik (pop: 12) --> See nearby quakes!
126 km (78 mi) NNE of Perryville (pop: 113) --> See nearby quakes!
156 km (97 mi) SSW of Egegik (pop: 106) --> See nearby quakes!
218 km (135 mi) ENE of Nelson Lagoon (pop: 52) --> See nearby quakes!
229 km (142 mi) NE of Sand Point (pop: 1,060) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 5.6 x 106 joules (1.56 kilowatt hours) 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.
|1.3||8.2 km||38 Km ESE of Port Heiden, Alaska, USA||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.At magnitude 1.3, such a quake wouldn't normally be felt by people, but could be recorded instrumentally.