M4.7 Earthquake 194 km E of Port Blair, India — February 16, 2021
2021-02-16 20:36:52 UTC (2021-02-16) · approx. 2:36 AM UTC+6 local
On February 16, 2021 at 20:36 UTC, a magnitude 4.7 shallow crustal earthquake struck 194 km E of Port Blair, India, at a depth of 10.0 km and coordinates 11.9865°, 94.5033°.
Physical scale: An earthquake of magnitude 4.7 releases seismic energy equivalent to roughly 169 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 1.1 km — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
94.5033°E
Technical Information
Common Questions
How strong was the magnitude 4.7 earthquake near Port Blair, India?
The magnitude 4.7 earthquake that struck 194 km E of Port Blair, India on February 16, 2021 at 20:36 UTC had a depth of 10.0 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at 11.9865°, 94.5033°, which is 194 km E of Port Blair, India.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.7 earthquakes can continue for several days and gradually diminish over time.
Actions
Location
Authoritative source: USGS event page (event ID: us6000di5y). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, February 16, 2021). M4.7 Earthquake 194 km E of Port Blair, India — February 16, 2021. Retrieved April 23, 2021 from https://www.earthquaketracker.org/earthquakes/event/us6000di5y/