M5.1 Earthquake 243 km E of Port Blair, India — July 17, 2020
2020-07-17 13:29:04 UTC (2020-07-17) · approx. 7:29 PM UTC+6 local
On July 17, 2020 at 13:29 UTC, a magnitude 5.1 shallow crustal earthquake struck 243 km E of Port Blair, India, at a depth of 10.0 km and coordinates 11.8395°, 94.9771°.
Physical scale: An earthquake of magnitude 5.1 releases seismic energy equivalent to roughly 674 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 2.0 km — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
94.9771°E
Technical Information
Common Questions
How strong was the magnitude 5.1 earthquake near Port Blair, India?
The magnitude 5.1 earthquake that struck 243 km E of Port Blair, India on July 17, 2020 at 13:29 UTC had a depth of 10.0 km. For context, this was a moderate earthquake that could be widely felt.
Where did the earthquake occur?
The earthquake epicenter was located at 11.8395°, 94.9771°, which is 243 km E of Port Blair, India.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 5.1 earthquakes can continue for days to weeks and gradually diminish over time.
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Location
Authoritative source: USGS event page (event ID: us7000aqal). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2020, July 17, 2020). M5.1 Earthquake 243 km E of Port Blair, India — July 17, 2020. Retrieved December 22, 2025 from https://www.earthquaketracker.org/earthquakes/event/us7000aqal/