M4.4 Earthquake 76 km SE of Phek, India — August 4, 2021
2021-08-04 22:10:02 UTC (2021-08-04) · approx. 4:10 AM UTC+6 local
On August 4, 2021 at 22:10 UTC, a magnitude 4.4 intermediate depth earthquake struck 76 km SE of Phek, India, at a depth of 99.6 km and coordinates 25.0993°, 94.9275°.
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
94.9275°E
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Common Questions
How strong was the magnitude 4.4 earthquake near Phek, India?
The magnitude 4.4 earthquake that struck 76 km SE of Phek, India on August 4, 2021 at 22:10 UTC had a depth of 99.6 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: us6000f2a5). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, August 4, 2021). M4.4 Earthquake 76 km SE of Phek, India — August 4, 2021. Retrieved October 14, 2021 from https://www.earthquaketracker.org/earthquakes/event/us6000f2a5/