M4.0 Earthquake 112 km WSW of Anadyr, Russia — September 26, 2023
2023-09-26 20:26:12 UTC (2023-09-26) · approx. 8:26 AM UTC+12 local
On September 26, 2023 at 20:26 UTC, a magnitude 4.0 shallow crustal earthquake struck 112 km WSW of Anadyr, Russia, at a depth of 10.0 km and coordinates 64.4176°, 175.2821°.
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
175.2821°E
Technical Information
Common Questions
How strong was the magnitude 4.0 earthquake near Anadyr, Russia?
The magnitude 4.0 earthquake that struck 112 km WSW of Anadyr, Russia on September 26, 2023 at 20:26 UTC had a depth of 10.0 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.
Actions
Understanding This Data
Magnitude 4.0 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us6000lbpe). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2023, September 26, 2023). M4.0 Earthquake 112 km WSW of Anadyr, Russia — September 26, 2023. Retrieved December 9, 2023 from https://www.earthquaketracker.org/earthquakes/event/us6000lbpe/