Minor mag. 1.8 earthquake - 70 Km SE of Ugashik, Alaska, USA, on Tuesday, 16 February 2021 at 00:52 (GMT) -
Quake Data | Interactive map | User Reports | Earlier quakes in same area | Quakes in the US| Alaska | Alaska
Minor magnitude 1.8 earthquake at 77 km depth
16 Feb 18:24 UTC: First to report: USGS after 18 hours.
Date & time: 16 Feb 2021 00:52:28 UTC -
Depth: 77.3 km
Epicenter latitude / longitude: 57.068°N / 156.5594°W (Alaska, United States)
Nearest volcano: Kialagvik (19 km / 12 mi)
Nearby towns and cities:
71 km (44 mi) SE of Ugashik (pop: 12) --> See nearby quakes!
126 km (78 mi) E of Port Heiden (pop: 98) --> See nearby quakes!
137 km (85 mi) SSE of Egegik (pop: 106) --> See nearby quakes!
145 km (90 mi) W of Akhiok (pop: 72) --> See nearby quakes!
147 km (91 mi) NE of Chignik Lagoon (pop: 78) --> See nearby quakes!
162 km (101 mi) NE of Chignik Lake (pop: 73) --> See nearby quakes!
164 km (102 mi) WSW of Larsen Bay (pop: 88) --> See nearby quakes!
180 km (112 mi) S of King Salmon (pop: 374) --> See nearby quakes!
197 km (122 mi) W of Old Harbor (pop: 221) --> See nearby quakes!
204 km (127 mi) NE of Perryville (pop: 113) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 3.2 x 107 joules (8.78 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.
|1.8||77 km||70 Km SE of Ugashik, 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 1.8, such a quake wouldn't normally be felt by people, but could be recorded instrumentally.