M4.5 Earthquake 92 km NW of Zangguy, China — September 4, 2021
2021-09-04 17:55:25 UTC (2021-09-04) · approx. 10:55 PM UTC+5 local
On September 4, 2021 at 17:55 UTC, a magnitude 4.5 shallow crustal earthquake struck 92 km NW of Zangguy, China, at a depth of 10.0 km and coordinates 37.7689°, 77.9175°.
Physical scale: An earthquake of magnitude 4.5 releases seismic energy equivalent to roughly 85 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 767 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
77.9175°E
Technical Information
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Common Questions
How strong was the magnitude 4.5 earthquake near Zangguy, China?
The magnitude 4.5 earthquake that struck 92 km NW of Zangguy, China on September 4, 2021 at 17:55 UTC had a depth of 10.0 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at 37.7689°, 77.9175°, which is 92 km NW of Zangguy, China.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.5 earthquakes can continue for several days and gradually diminish over time.
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Location
Authoritative source: USGS event page (event ID: us7000fa1t). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, September 4, 2021). M4.5 Earthquake 92 km NW of Zangguy, China — September 4, 2021. Retrieved November 17, 2021 from https://www.earthquaketracker.org/earthquakes/event/us7000fa1t/