4.1

M4.1 Earthquake 11 km NW of Fereydūnshahr, IranApril 15, 2026

2026-04-15 00:47:42 UTC (4 days ago)

On April 15, 2026 at 00:47 UTC, a magnitude 4.1 shallow crustal earthquake struck 11 km NW of Fereydūnshahr, Iran, at a depth of 10.0 km and coordinates 33.0051°, 50.0257°.

Map showing earthquake epicenter at 33.01°, 50.03°

Earthquake Details

Magnitude
4.1 mb
Depth
10.0 km
shallow crustal
Location
33.0051°N
50.0257°E

Technical Information

Event ID
us6000sq5l
Event Type
earthquake
Status
✓ Reviewed
Significance
259
Stations Used
19
Azimuthal Gap
261.0°
Min Station Distance
4.148°
RMS Residual
0.83 sec
Last Updated
2026-04-15 21:49:21 UTC

Common Questions

How strong was the magnitude 4.1 earthquake near Fereydūnshahr, Iran?

The magnitude 4.1 earthquake that struck 11 km NW of Fereydūnshahr, Iran on April 15, 2026 at 00:47 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.

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.