M4.2 Earthquake 41 km W of Qarah ???’ od D?n, Iran — June 22, 2021
2021-06-22 22:43:09 UTC (2021-06-22) · approx. 1:43 AM UTC+3 local
On June 22, 2021 at 22:43 UTC, a magnitude 4.2 shallow crustal earthquake struck 41 km W of Qarah ???’ od D?n, Iran, at a depth of 10.0 km and coordinates 38.9298°, 44.5543°.
Physical scale: An earthquake of magnitude 4.2 releases seismic energy equivalent to roughly 30 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 476 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
44.5543°E
Technical Information
Common Questions
How strong was the magnitude 4.2 earthquake near Qarah ???’ od D?n, Iran?
The magnitude 4.2 earthquake that struck 41 km W of Qarah ???’ od D?n, Iran on June 22, 2021 at 22:43 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 4.2 earthquakes can continue for several days and gradually diminish over time.
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Location
Understanding This Data
Magnitude 4.2 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us7000efc8). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, June 22, 2021). M4.2 Earthquake 41 km W of Qarah ???’ od D?n, Iran — June 22, 2021. Retrieved August 27, 2021 from https://www.earthquaketracker.org/earthquakes/event/us7000efc8/