M4.3 Earthquake 116 km SSE of Vilyuchinsk, Russia — September 7, 2025
2025-09-07 18:24:36 UTC (2025-09-07) · approx. 5:24 AM UTC+11 local
On September 7, 2025 at 18:24 UTC, a magnitude 4.3 shallow crustal earthquake struck 116 km SSE of Vilyuchinsk, Russia, at a depth of 48.2 km and coordinates 51.9177°, 158.8169°.
Physical scale: An earthquake of magnitude 4.3 releases seismic energy equivalent to roughly 43 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 558 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
158.8169°E
Technical Information
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Common Questions
How strong was the magnitude 4.3 earthquake near Vilyuchinsk, Russia?
The magnitude 4.3 earthquake that struck 116 km SSE of Vilyuchinsk, Russia on September 7, 2025 at 18:24 UTC had a depth of 48.2 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 4.3 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.3 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us7000qula). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2025, September 7, 2025). M4.3 Earthquake 116 km SSE of Vilyuchinsk, Russia — September 7, 2025. Retrieved November 30, 2025 from https://www.earthquaketracker.org/earthquakes/event/us7000qula/