M4.3 Earthquake 131 km E of Mil’kovo, Russia — August 7, 2021
2021-08-07 19:29:25 UTC (2021-08-07) · approx. 6:29 AM UTC+11 local
On August 7, 2021 at 19:29 UTC, a magnitude 4.3 intermediate depth earthquake struck 131 km E of Mil’kovo, Russia, at a depth of 89.8 km and coordinates 54.5214°, 160.6358°.
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
160.6358°E
Technical Information
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Common Questions
How strong was the magnitude 4.3 earthquake near Mil’kovo, Russia?
The magnitude 4.3 earthquake that struck 131 km E of Mil’kovo, Russia on August 7, 2021 at 19:29 UTC had a depth of 89.8 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: us6000f37s). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, August 7, 2021). M4.3 Earthquake 131 km E of Mil’kovo, Russia — August 7, 2021. Retrieved October 23, 2021 from https://www.earthquaketracker.org/earthquakes/event/us6000f37s/