M4.2 Earthquake 23 km E of Puyang Chengguanzhen, China — February 21, 2025
2025-02-21 18:41:44 UTC (2025-02-21) · approx. 2:41 AM UTC+8 local
On February 21, 2025 at 18:41 UTC, a magnitude 4.2 shallow crustal earthquake struck 23 km E of Puyang Chengguanzhen, China, at a depth of 10.0 km and coordinates 35.7191°, 115.2707°.
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
115.2707°E
Technical Information
Common Questions
How strong was the magnitude 4.2 earthquake near Puyang Chengguanzhen, China?
The magnitude 4.2 earthquake that struck 23 km E of Puyang Chengguanzhen, China on February 21, 2025 at 18:41 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: us6000pw46). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2025, February 21, 2025). M4.2 Earthquake 23 km E of Puyang Chengguanzhen, China — February 21, 2025. Retrieved May 6, 2025 from https://www.earthquaketracker.org/earthquakes/event/us6000pw46/