M3.0 Earthquake near Rat Islands, Aleutian Islands, Alaska — August 25, 2025
2025-08-25 17:20:32 UTC (2025-08-25) · approx. 5:20 AM UTC+12 local
On August 25, 2025 at 17:20 UTC, a magnitude 3.0 intermediate depth earthquake struck near Rat Islands, Aleutian Islands, Alaska, at a depth of 97.2 km and coordinates 51.8365°, 178.2986°.
Physical scale: An earthquake of magnitude 3.0 releases seismic energy equivalent to roughly 477 kg of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 71 m — a useful intuition for the size of the slip patch on the fault.

Earthquake Details
178.2986°E
Technical Information
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Common Questions
How strong was the magnitude 3.0 earthquake near Rat Islands, Aleutian Islands, Alaska?
The magnitude 3.0 earthquake that struck near Rat Islands, Aleutian Islands, Alaska on August 25, 2025 at 17:20 UTC had a depth of 97.2 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 3.0 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 3.0 earthquakes are typically only recorded by instruments.
Authoritative source: USGS event page (event ID: us6000rl10). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2025, August 25, 2025). M3.0 Earthquake near Rat Islands, Aleutian Islands, Alaska — August 25, 2025. Retrieved November 12, 2025 from https://www.earthquaketracker.org/earthquakes/event/us6000rl10/