M4.9 Earthquake 17 km SE of Jinhua, China — April 23, 2025
2025-04-23 16:09:01 UTC (2025-04-23) · approx. 11:09 PM UTC+7 local
Felt by 3 people across nearby locations.
On April 23, 2025 at 16:09 UTC, a magnitude 4.9 shallow crustal earthquake struck 17 km SE of Jinhua, China, at a depth of 10.0 km and coordinates 26.4164°, 100.0261°. This earthquake was detected by 131 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 370, 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.
Did You Feel It? — community-reported shaking
Aggregated felt-report intensity from 3 citizen responses to the USGS Did You Feel It? system. Each colored zone represents the average MMI from reports in that area.
Source: U.S. Geological Survey Did You Feel It?. View on USGS · submit your own report
Earthquake Details
100.0261°E
Technical Information
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Common Questions
How strong was the magnitude 4.9 earthquake near Jinhua, China?
The magnitude 4.9 earthquake that struck 17 km SE of Jinhua, China on April 23, 2025 at 16:09 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 26.4164°, 100.0261°, which is 17 km SE of Jinhua, 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: us7000puj0). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2025, April 23, 2025). M4.9 Earthquake 17 km SE of Jinhua, China — April 23, 2025. Retrieved July 11, 2025 from https://www.earthquaketracker.org/earthquakes/event/us7000puj0/