M4.3 Earthquake 190 km NNW of Nagqu, China — October 31, 2026
2026-10-31 13:38:39 UTC (2 hours ago) · approx. 7:38 PM UTC+6 local
On October 31, 2026 at 13:38 UTC, a magnitude 4.3 shallow crustal earthquake struck 190 km NNW of Nagqu, China, at a depth of 10.0 km and coordinates 33.1525°, 91.6138°.
Physical scale: An earthquake of magnitude 4.3 releases seismic energy equivalent to roughly 43 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 558 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
91.6138°E
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Common Questions
How strong was the magnitude 4.3 earthquake near Nagqu, China?
The magnitude 4.3 earthquake that struck 190 km NNW of Nagqu, China on October 31, 2026 at 13:38 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 4.3 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.3 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us7000tuj2). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, October 31, 2026). M4.3 Earthquake 190 km NNW of Nagqu, China — October 31, 2026. Retrieved October 31, 2026 from https://www.earthquaketracker.org/earthquakes/event/us7000tuj2/