Weak magnitude 3.0 earthquake at 42 km depth
23 Apr 01:55 UTC: First to report: EMSC after 3 minutes.
23 Apr 01:55: Now using data updates from USGS
23 Apr 14:12: Magnitude recalculated from 3.1 to 3.0. Hypocenter depth recalculated from 33.9 to 42.0 km (from 21 to 26 mi). Epicenter location corrected by 6.2 km (3.8 mi) towards NNW.
Update Fri, 23 Apr 2021, 02:00Small magnitude 3.1 earthquake 19 miles north of Anchorage, Alaska, United States
3.1 quake 22 Apr 5:52 pm (GMT -8)
An earthquake of magnitude 3.1 occurred in the afternoon on Thursday 22 April 2021 at 5:52 pm local time near Anchorage, Alaska, USA, as reported by the United States Geological Survey.
According to preliminary data, the quake was located at a moderately shallow depth of 21 miles. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their report.
A second report was later issued by the European-Mediterranean Seismological Centre (EMSC), which listed it as a magnitude 3.1 earthquake as well.
According to preliminary calculations, we do not expect that the quake was felt by many people and did not cause any damage. In Big Lake (pop. 3,400, 3 miles away), Knik-Fairview (pop. 14,900, 13 miles away), Meadow Lakes (pop. 7,600, 16 miles away), Eagle River (pop. 24,800, 18 miles away), Eagle River (pop. 24,800, 18 miles away), Anchorage (pop. 298,700, 19 miles away), Wasilla (pop. 9,300, 19 miles away), Elmendorf Air Force Base (pop. 6,600, 20 miles away), and Tanaina (pop. 8,200, 21 miles away), the quake was probably not felt.
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