M4.1 Earthquake 154 km SSE of Port Blair, India — August 10, 2023
2023-08-10 18:13:36 UTC (2023-08-10) · approx. 12:13 AM UTC+6 local
On August 10, 2023 at 18:13 UTC, a magnitude 4.1 intermediate depth earthquake struck 154 km SSE of Port Blair, India, at a depth of 116.9 km and coordinates 10.4485°, 93.4368°.
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.
Earthquake Details
93.4368°E
Technical Information
Common Questions
How strong was the magnitude 4.1 earthquake near Port Blair, India?
The magnitude 4.1 earthquake that struck 154 km SSE of Port Blair, India on August 10, 2023 at 18:13 UTC had a depth of 116.9 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.
Actions
Location
Understanding This Data
Magnitude 4.1 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us7000kp1g). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2023, August 10, 2023). M4.1 Earthquake 154 km SSE of Port Blair, India — August 10, 2023. Retrieved October 17, 2023 from https://www.earthquaketracker.org/earthquakes/event/us7000kp1g/