M4.2 Earthquake 80 km WNW of Zangguy, China — October 23, 2022
2022-10-23 22:58:10 UTC (2022-10-23) · approx. 3:58 AM UTC+5 local
On October 23, 2022 at 22:58 UTC, a magnitude 4.2 shallow crustal earthquake struck 80 km WNW of Zangguy, China, at a depth of 19.0 km and coordinates 37.5077°, 77.8972°.
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
77.8972°E
Technical Information
Common Questions
How strong was the magnitude 4.2 earthquake near Zangguy, China?
The magnitude 4.2 earthquake that struck 80 km WNW of Zangguy, China on October 23, 2022 at 22:58 UTC had a depth of 19.0 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: us6000ivze). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2022, October 23, 2022). M4.2 Earthquake 80 km WNW of Zangguy, China — October 23, 2022. Retrieved January 3, 2023 from https://www.earthquaketracker.org/earthquakes/event/us6000ivze/