M4.1 Earthquake 12 km SW of Metsavan, Armenia — August 15, 2021
2021-08-15 23:19:13 UTC (2021-08-15) · approx. 2:19 AM UTC+3 local
On August 15, 2021 at 23:19 UTC, a magnitude 4.1 shallow crustal earthquake struck 12 km SW of Metsavan, Armenia, at a depth of 10.0 km and coordinates 41.1211°, 44.1200°.
Physical scale: An earthquake of magnitude 4.1 releases seismic energy equivalent to roughly 21 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 406 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
44.1200°E
Technical Information
Common Questions
How strong was the magnitude 4.1 earthquake near Metsavan, Armenia?
The magnitude 4.1 earthquake that struck 12 km SW of Metsavan, Armenia on August 15, 2021 at 23:19 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 4.1 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.1 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us7000f497). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, August 15, 2021). M4.1 Earthquake 12 km SW of Metsavan, Armenia — August 15, 2021. Retrieved October 29, 2021 from https://www.earthquaketracker.org/earthquakes/event/us7000f497/