M4.2 Earthquake 87 km NE of Tawang, India — July 21, 2026
2026-07-21 18:55:57 UTC (3 hours ago) · approx. 12:55 AM UTC+6 local
On July 21, 2026 at 18:55 UTC, a magnitude 4.2 shallow crustal earthquake struck 87 km NE of Tawang, India, at a depth of 10.0 km and coordinates 28.1265°, 92.5658°.
Physical scale: An earthquake of magnitude 4.2 releases seismic energy equivalent to roughly 30 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 476 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
92.5658°E
Technical Information
Common Questions
How strong was the magnitude 4.2 earthquake near Tawang, India?
The magnitude 4.2 earthquake that struck 87 km NE of Tawang, India on July 21, 2026 at 18:55 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 4.2 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.2 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us7000t2ak). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, July 21, 2026). M4.2 Earthquake 87 km NE of Tawang, India — July 21, 2026. Retrieved July 21, 2026 from https://www.earthquaketracker.org/earthquakes/event/us7000t2ak/