M4.3 Earthquake 9 km ESE of Fīrūzābād, Iran — February 18, 2026
2026-02-18 14:08:40 UTC (2026-02-18) · approx. 6:08 PM UTC+4 local
On February 18, 2026 at 14:08 UTC, a magnitude 4.3 shallow crustal earthquake struck 9 km ESE of Fīrūzābād, Iran, at a depth of 10.0 km and coordinates 28.8195°, 52.6682°.
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
52.6682°E
Technical Information
Common Questions
How strong was the magnitude 4.3 earthquake near Fīrūzābād, Iran?
The magnitude 4.3 earthquake that struck 9 km ESE of Fīrūzābād, Iran on February 18, 2026 at 14:08 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 4.3 earthquakes can continue for several days and gradually diminish over time.
What should I do after an earthquake?
If you were in the affected area: check yourself and others for injuries, inspect your home for damage, and be prepared for aftershocks. For detailed guidance, see our earthquake safety guide and emergency planning resources.
Actions
Location
Understanding This Data
Magnitude 4.3 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us7000s20j). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, February 18, 2026). M4.3 Earthquake 9 km ESE of Fīrūzābād, Iran — February 18, 2026. Retrieved May 13, 2026 from https://www.earthquaketracker.org/earthquakes/event/us7000s20j/