M4.4 Earthquake 281 km SSE of Port Blair, India — November 9, 2023
2023-11-09 20:55:05 UTC (2023-11-09) · approx. 2:55 AM UTC+6 local
On November 9, 2023 at 20:55 UTC, a magnitude 4.4 shallow crustal earthquake struck 281 km SSE of Port Blair, India, at a depth of 10.0 km and coordinates 9.4971°, 94.0862°.
Physical scale: An earthquake of magnitude 4.4 releases seismic energy equivalent to roughly 60 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 655 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
94.0862°E
Technical Information
Common Questions
How strong was the magnitude 4.4 earthquake near Port Blair, India?
The magnitude 4.4 earthquake that struck 281 km SSE of Port Blair, India on November 9, 2023 at 20:55 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 4.4 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.4 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us6000lndi). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2023, November 9, 2023). M4.4 Earthquake 281 km SSE of Port Blair, India — November 9, 2023. Retrieved January 13, 2024 from https://www.earthquaketracker.org/earthquakes/event/us6000lndi/