M4.3 Earthquake 157 km SSW of Hengchun, Taiwan — July 31, 2026
2026-07-31 08:11:07 UTC (6 days ago) · approx. 4:11 PM UTC+8 local
On July 31, 2026 at 08:11 UTC, a magnitude 4.3 shallow crustal earthquake struck 157 km SSW of Hengchun, Taiwan, at a depth of 10.0 km and coordinates 20.8038°, 119.9255°.
Physical scale: An earthquake of magnitude 4.3 releases seismic energy equivalent to roughly 43 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 558 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
119.9255°E
Technical Information
Common Questions
How strong was the magnitude 4.3 earthquake near Hengchun, Taiwan?
The magnitude 4.3 earthquake that struck 157 km SSW of Hengchun, Taiwan on July 31, 2026 at 08:11 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 4.3 earthquakes can continue for several days and gradually diminish over time.
Actions
Understanding This Data
Magnitude 4.3 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us6000tibj). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, July 31, 2026). M4.3 Earthquake 157 km SSW of Hengchun, Taiwan — July 31, 2026. Retrieved August 6, 2026 from https://www.earthquaketracker.org/earthquakes/event/us6000tibj/