M4.1 Earthquake 179 km N of Kuril’sk, Russia — March 27, 2025
2025-03-27 18:12:38 UTC (2025-03-27) · approx. 4:12 AM UTC+10 local
On March 27, 2025 at 18:12 UTC, a magnitude 4.1 deep-focus earthquake struck 179 km N of Kuril’sk, Russia, at a depth of 331.4 km and coordinates 46.8268°, 147.5541°.
Physical scale: An earthquake of magnitude 4.1 releases seismic energy equivalent to roughly 21 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 406 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
147.5541°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.1 earthquake near Kuril’sk, Russia?
The magnitude 4.1 earthquake that struck 179 km N of Kuril’sk, Russia on March 27, 2025 at 18:12 UTC had a depth of 331.4 km. For context, this was a light earthquake commonly felt near the epicenter.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.1 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.1 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us7000pn58). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2025, March 27, 2025). M4.1 Earthquake 179 km N of Kuril’sk, Russia — March 27, 2025. Retrieved June 6, 2025 from https://www.earthquaketracker.org/earthquakes/event/us7000pn58/