M4.3 Earthquake 17 km NNW of Behbahān, Iran — March 16, 2023
2023-03-16 20:41:44 UTC (2023-03-16) · approx. 11:41 PM UTC+3 local
On March 16, 2023 at 20:41 UTC, a magnitude 4.3 shallow crustal earthquake struck 17 km NNW of Behbahān, Iran, at a depth of 22.0 km and coordinates 30.7312°, 50.1542°.
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
50.1542°E
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Common Questions
How strong was the magnitude 4.3 earthquake near Behbahān, Iran?
The magnitude 4.3 earthquake that struck 17 km NNW of Behbahān, Iran on March 16, 2023 at 20:41 UTC had a depth of 22.0 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.
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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: us7000jklj). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2023, March 16, 2023). M4.3 Earthquake 17 km NNW of Behbahān, Iran — March 16, 2023. Retrieved May 20, 2023 from https://www.earthquaketracker.org/earthquakes/event/us7000jklj/