Moderate earthquake of magnitude 4.3 just reported 55 miles west of adak alaska, Alaska, United States
Wed, 21 Jul 2021, 11:3111:31 AM | BY: EARTHQUAKEMONITOR
A very shallow magnitude 4.3 earthquake was reported early morning near adak alaska, Aleutians West, Alaska, USA.
4.3 quake 21 Jul 2:03 am (GMT -9)
According to the United States Geological Survey, the quake hit on Wednesday 21 July 2021 at 2:03 am local time at a very shallow depth of 1.6 miles. Shallow earthquakes are felt more strongly than deeper ones as they are closer to the surface. 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.
Our monitoring service identified a second report from the European-Mediterranean Seismological Centre (EMSC) which listed the quake at magnitude 4.3 as well.
Towns or cities near the epicenter where the quake might have been felt as very weak shaking include adak alaska (pop. 330) located 55 miles from the epicenter.
VolcanoDiscovery will automatically update magnitude and depth if these change and follow up if other significant news about the quake become available. If you're in the area, please send us your experience through our reporting mechanism, either online or via our mobile app. This will help us provide more first-hand updates to anyone around the globe who wants to know more about this quake.
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I felt this quake
Date & time: 21 Jul 2:03 am (GMT -9) local time (21 Jul 2021 11:03 GMT)
Depth: 2.6 km
Epicenter latitude / longitude: 51.81°N / 177.91°W (Alaska, United States)
Primary data source: USGS
Wed, 21 Jul 2021, 09:25
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