M4.0 Earthquake 34 km NNW of Herāt, Afghanistan — October 14, 2023
2023-10-14 22:06:59 UTC (2023-10-14) · approx. 2:06 AM UTC+4 local
On October 14, 2023 at 22:06 UTC, a magnitude 4.0 shallow crustal earthquake struck 34 km NNW of Herāt, Afghanistan, at a depth of 10.0 km and coordinates 34.6493°, 62.1114°.
Physical scale: An earthquake of magnitude 4.0 releases seismic energy equivalent to roughly 15 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 347 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
62.1114°E
Technical Information
Common Questions
How strong was the magnitude 4.0 earthquake near Herāt, Afghanistan?
The magnitude 4.0 earthquake that struck 34 km NNW of Herāt, Afghanistan on October 14, 2023 at 22:06 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 4.0 earthquakes can continue for several days and gradually diminish over time.
Actions
Understanding This Data
Magnitude 4.0 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us6000lflw). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2023, October 14, 2023). M4.0 Earthquake 34 km NNW of Herāt, Afghanistan — October 14, 2023. Retrieved December 16, 2023 from https://www.earthquaketracker.org/earthquakes/event/us6000lflw/