M4.2 Earthquake 47 km SE of Jiufen, Taiwan — April 25, 2023
2023-04-25 19:10:24 UTC (2023-04-25) · approx. 3:10 AM UTC+8 local
On April 25, 2023 at 19:10 UTC, a magnitude 4.2 intermediate depth earthquake struck 47 km SE of Jiufen, Taiwan, at a depth of 115.3 km and coordinates 24.8559°, 122.2195°.
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
122.2195°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.2 earthquake near Jiufen, Taiwan?
The magnitude 4.2 earthquake that struck 47 km SE of Jiufen, Taiwan on April 25, 2023 at 19:10 UTC had a depth of 115.3 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: us7000jxiu). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2023, April 25, 2023). M4.2 Earthquake 47 km SE of Jiufen, Taiwan — April 25, 2023. Retrieved July 11, 2023 from https://www.earthquaketracker.org/earthquakes/event/us7000jxiu/