M4.4 Earthquake 12 km WSW of Hualien City, Taiwan — July 7, 2025
2025-07-07 19:57:05 UTC (2025-07-07) · approx. 3:57 AM UTC+8 local
On July 7, 2025 at 19:57 UTC, a magnitude 4.4 shallow crustal earthquake struck 12 km WSW of Hualien City, Taiwan, at a depth of 19.8 km and coordinates 23.9229°, 121.4912°.
Physical scale: An earthquake of magnitude 4.4 releases seismic energy equivalent to roughly 60 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 655 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
121.4912°E
Technical Information
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Common Questions
How strong was the magnitude 4.4 earthquake near Hualien City, Taiwan?
The magnitude 4.4 earthquake that struck 12 km WSW of Hualien City, Taiwan on July 7, 2025 at 19:57 UTC had a depth of 19.8 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 4.4 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.4 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us7000qb87). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2025, July 7, 2025). M4.4 Earthquake 12 km WSW of Hualien City, Taiwan — July 7, 2025. Retrieved September 12, 2025 from https://www.earthquaketracker.org/earthquakes/event/us7000qb87/