Minor mag. 1.8 earthquake - 45 Km SE of Ugashik, Alaska, USA, on Friday, 5 Mar 2021 10:45 am (GMT -9) -
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Minor magnitude 1.8 earthquake at 66 km depth
5 Mar 19:54 UTC: First to report: USGS after 9 minutes.
Date & time: 5 Mar 2021 19:45:21 UTC -
Local time at epicenter: Friday, 5 Mar 2021 10:45 am (GMT -9)
Magnitude: 1.8
Depth: 66.0 km
Epicenter latitude / longitude: 57.2158°N / 156.8799°W

Nearest volcano: Kialagvik (8 km / 5 mi)
Nearby towns and cities:
45 km (28 mi) SE of Ugashik (pop: 12) --> See nearby quakes!
110 km (68 mi) ENE of Port Heiden (pop: 98) --> See nearby quakes!
115 km (71 mi) SSE of Egegik (pop: 106) --> See nearby quakes!
142 km (89 mi) NE of Chignik Lagoon (pop: 78) --> See nearby quakes!
157 km (97 mi) NE of Chignik Lake (pop: 73) --> See nearby quakes!
164 km (102 mi) S of King Salmon (pop: 374) --> See nearby quakes!
167 km (103 mi) W of Akhiok (pop: 72) --> See nearby quakes!
167 km (104 mi) S of South Naknek (pop: 79) --> See nearby quakes!
178 km (110 mi) W of Larsen Bay (pop: 88) --> See nearby quakes!
201 km (125 mi) NE of Perryville (pop: 113) --> See nearby quakes!
Weather at epicenter at time of quake:
Overcast Clouds
-4.9°C (23 F), humidity: 90%, wind: 4 m/s (7 kts) from WNW
Primary data source: USGS (United States Geological Survey)Overcast Clouds

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.
Magnitude | Depth | Location | Source |
1.8 | 66 km | 45 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.