M4.3 Earthquake 110 km SE of Kuril’sk, Russia — October 1, 2026
2026-10-01 13:00:35 UTC (1 day ago) · approx. 11:00 PM UTC+10 local
On October 1, 2026 at 13:00 UTC, a magnitude 4.3 shallow crustal earthquake struck 110 km SE of Kuril’sk, Russia, at a depth of 57.4 km and coordinates 44.6606°, 149.0324°.
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
149.0324°E
Technical Information
Common Questions
How strong was the magnitude 4.3 earthquake near Kuril’sk, Russia?
The magnitude 4.3 earthquake that struck 110 km SE of Kuril’sk, Russia on October 1, 2026 at 13:00 UTC had a depth of 57.4 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 4.3 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: us6000tytv). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, October 1, 2026). M4.3 Earthquake 110 km SE of Kuril’sk, Russia — October 1, 2026. Retrieved October 2, 2026 from https://www.earthquaketracker.org/earthquakes/event/us6000tytv/