M3.6 Earthquake south of the Aleutian Islands — April 15, 2025
2025-04-15 22:13:56 UTC (2025-04-15) · approx. 10:13 AM UTC+12 local
On April 15, 2025 at 22:13 UTC, a magnitude 3.6 shallow crustal earthquake struck south of the Aleutian Islands, at a depth of 10.0 km and coordinates 49.8946°, 177.1814°.
Physical scale: An earthquake of magnitude 3.6 releases seismic energy equivalent to roughly 3.8 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 184 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
177.1814°E
Technical Information
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Common Questions
How strong was the magnitude 3.6 earthquake south of the Aleutian Islands?
The magnitude 3.6 earthquake that struck south of the Aleutian Islands on April 15, 2025 at 22:13 UTC had a depth of 10.0 km. For context, this was a minor earthquake typically detected only by instruments.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 3.6 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 3.6 earthquakes are typically only recorded by instruments.
Authoritative source: USGS event page (event ID: us7000pw86). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2025, April 15, 2025). M3.6 Earthquake south of the Aleutian Islands — April 15, 2025. Retrieved June 14, 2025 from https://www.earthquaketracker.org/earthquakes/event/us7000pw86/