M4.0 Earthquake 107 km SE of Korsakov, Russia — February 26, 2025
2025-02-26 18:14:54 UTC (2025-02-26) · approx. 4:14 AM UTC+10 local
On February 26, 2025 at 18:14 UTC, a magnitude 4.0 deep-focus earthquake struck 107 km SE of Korsakov, Russia, at a depth of 320.7 km and coordinates 45.8477°, 143.5790°.
Physical scale: An earthquake of magnitude 4.0 releases seismic energy equivalent to roughly 15 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 347 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
143.5790°E
Technical Information
Common Questions
How strong was the magnitude 4.0 earthquake near Korsakov, Russia?
The magnitude 4.0 earthquake that struck 107 km SE of Korsakov, Russia on February 26, 2025 at 18:14 UTC had a depth of 320.7 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 4.0 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.0 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us6000pvnv). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2025, February 26, 2025). M4.0 Earthquake 107 km SE of Korsakov, Russia — February 26, 2025. Retrieved May 8, 2025 from https://www.earthquaketracker.org/earthquakes/event/us6000pvnv/