Moderate earthquake of magnitude 4.7 just reported 34 miles south of Anchorage, Alaska, United States

The United States Geological Survey reported a magnitude 4.7 quake in the United States near Anchorage, Alaska, only 5 minutes ago. The earthquake hit after midnight on Tuesday, April 29th, 2025, at 12:03 am local time 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.
Our monitoring service identified a second report from the European-Mediterranean Seismological Centre (EMSC) which listed the quake at magnitude 4.6. A third agency, The Incorporated Research Institutions for Seismology (IRIS), reported the same quake at magnitude 4.7.
Based on the preliminary seismic data, the quake should not have caused any significant damage, but was probably felt by many people as light vibration in the area of the epicenter.
Weak shaking might have been felt in Cooper Landing (pop. 290) located 18 miles from the epicenter, Sterling (pop. 5,600) 29 miles away, Anchorage (pop. 291,200) 34 miles away, Elmendorf Air Force Base (pop. 6,600) 39 miles away, Soldotna (pop. 4,500) 39 miles away, Eagle River (pop. 24,800) 43 miles away, Eagle River (pop. 24,800) 43 miles away, and Kenai (pop. 7,700) 44 miles away.
Other towns or cities near the epicenter where the quake might have been felt as very weak shaking include Kalifornsky (pop. 7,900) located 49 miles from the epicenter, and Knik-Fairview (pop. 14,900) 56 miles away.
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.


Earthquake data:
Date & time: Apr 29, 2025 12:03 am (Anchorage time) local time (29 Apr 2025 08:03 GMT)
Magnitude: 4.7
Depth: 34.50 km
Epicenter latitude / longitude: 60.73°N / 150.01°W (Kenai Peninsula Borough, Alaska, United States)
Primary data source: USGS
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