M4.3 Earthquake 139 km E of Shikotan, Russia — February 28, 2022
2022-02-28 23:10:33 UTC (2022-02-28) · approx. 9:10 AM UTC+10 local
On February 28, 2022 at 23:10 UTC, a magnitude 4.3 shallow crustal earthquake struck 139 km E of Shikotan, Russia, at a depth of 35.0 km and coordinates 43.9868°, 148.4384°.
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
148.4384°E
Technical Information
Common Questions
How strong was the magnitude 4.3 earthquake near Shikotan, Russia?
The magnitude 4.3 earthquake that struck 139 km E of Shikotan, Russia on February 28, 2022 at 23:10 UTC had a depth of 35.0 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 4.3 earthquakes can continue for several days and gradually diminish over time.
Actions
Understanding This Data
Magnitude 4.3 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us6000h23g). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2022, February 28, 2022). M4.3 Earthquake 139 km E of Shikotan, Russia — February 28, 2022. Retrieved May 7, 2022 from https://www.earthquaketracker.org/earthquakes/event/us6000h23g/