4.1

M4.1 Earthquake near southern IranJanuary 4, 2023

2023-01-04 16:19:58 UTC (2023-01-04) · approx. 8:19 PM UTC+4 local

MagnitudeM4.1(mb)
Time16:19 UTC8:19 PM UTC+4
Depth16.6 kmshallow crustal
Coordinates26.834°, 55.157°
Felt byNo felt reports
Status✓ Reviewed by USGS

On January 4, 2023 at 16:19 UTC, a magnitude 4.1 shallow crustal earthquake struck near southern Iran, at a depth of 16.6 km and coordinates 26.8335°, 55.1568°.

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.

Map showing earthquake epicenter at 26.83°, 55.16°

Earthquake Details

Magnitude
4.1 mb
Depth
16.6 km
shallow crustal
Location
26.8335°N
55.1568°E

Technical Information

Event ID
us7000j23c
Event Type
earthquake
Status
✓ Reviewed
Significance
259
Stations Used
46
Azimuthal Gap
107.0°
Min Station Distance
2.104°
RMS Residual
0.56 sec
Last Updated
2023-03-11 22:51:39 UTC

Common Questions

How strong was the magnitude 4.1 earthquake near southern Iran?

The magnitude 4.1 earthquake that struck near southern Iran on January 4, 2023 at 16:19 UTC had a depth of 16.6 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.

Understanding This Data

Magnitude 4.1 earthquakes are often felt but rarely cause damage.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: us7000j23c). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2023, January 4, 2023). M4.1 Earthquake near southern IranJanuary 4, 2023. Retrieved March 11, 2023 from https://www.earthquaketracker.org/earthquakes/event/us7000j23c/