Light magnitude 4.3 earthquake at 126 km depth
22 Mar 17:44 UTC: First to report: USGS after 3 minutes.
22 Mar 17:46: Magnitude recalculated from 3.9 to 4.0. Hypocenter depth recalculated from 130.7 to 122.3 km (from 81 to 76 mi). Epicenter location corrected by 3 km (1.9 mi) towards N.
22 Mar 18:00: Magnitude recalculated from 4.1 to 4.3. Hypocenter depth recalculated from 112.8 to 126.1 km (from 70 to 78 mi). Epicenter location corrected by 6.9 km (4.3 mi) towards SE.
Update Mon, 22 Mar 2021, 17:48Moderate magnitude 4.0 earthquake 28 miles northeast of Pedro Bay, Alaska, United States
4.0 quake 22 Mar 9:41 am (GMT -8)
An earthquake of magnitude 4.0 occurred only 6 minutes ago 28 miles northeast of Pedro Bay, Alaska, United States, the United States Geological Survey reported.
The quake hit at an intermediate depth of 74 miles beneath the epicenter near Pedro Bay, Lake and Peninsula, Alaska, USA, in the morning on Monday 22 March 2021 at 9:41 am local time. 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 4.0 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 Pedro Bay (pop. 42, 28 miles away), and Anchor Point (pop. 1,900, 52 miles away), the quake was probably not felt.
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