M4.8 Earthquake 19 km W of Saiha, India — October 19, 2021
2021-10-19 00:44:09 UTC (2021-10-19) · approx. 6:44 AM UTC+6 local
On October 19, 2021 at 00:44 UTC, a magnitude 4.8 shallow crustal earthquake struck 19 km W of Saiha, India, at a depth of 35.0 km and coordinates 22.5257°, 92.7906°.
Physical scale: An earthquake of magnitude 4.8 releases seismic energy equivalent to roughly 239 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 1.2 km — a useful intuition for the size of the slip patch on the fault.

Earthquake Details
92.7906°E
Technical Information
Common Questions
How strong was the magnitude 4.8 earthquake near Saiha, India?
The magnitude 4.8 earthquake that struck 19 km W of Saiha, India on October 19, 2021 at 00:44 UTC had a depth of 35.0 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at 22.5257°, 92.7906°, which is 19 km W of Saiha, India.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.8 earthquakes can continue for several days and gradually diminish over time.
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Location
Authoritative source: USGS event page (event ID: us6000fwrl). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, October 19, 2021). M4.8 Earthquake 19 km W of Saiha, India — October 19, 2021. Retrieved December 25, 2021 from https://www.earthquaketracker.org/earthquakes/event/us6000fwrl/