M4.9 Earthquake 125 km WSW of Zhangye, China — August 15, 2022
2022-08-15 08:30:37 UTC (2022-08-15) · approx. 3:30 PM UTC+7 local
On August 15, 2022 at 08:30 UTC, a magnitude 4.9 shallow crustal earthquake struck 125 km WSW of Zhangye, China, at a depth of 10.0 km and coordinates 38.4773°, 99.1330°. This earthquake was detected by 138 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 369, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 4.9 releases seismic energy equivalent to roughly 338 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 1.4 km — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
99.1330°E
Technical Information
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Common Questions
How strong was the magnitude 4.9 earthquake near Zhangye, China?
The magnitude 4.9 earthquake that struck 125 km WSW of Zhangye, China on August 15, 2022 at 08:30 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 38.4773°, 99.1330°, which is 125 km WSW of Zhangye, China.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.9 earthquakes can continue for several days and gradually diminish over time.
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Location
Authoritative source: USGS event page (event ID: us6000iayj). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2022, August 15, 2022). M4.9 Earthquake 125 km WSW of Zhangye, China — August 15, 2022. Retrieved October 28, 2022 from https://www.earthquaketracker.org/earthquakes/event/us6000iayj/