M4.2 Earthquake 36 km ENE of Yilan, Taiwan — June 29, 2026
2026-06-29 21:15:01 UTC (2026-06-29) · approx. 5:15 AM UTC+8 local
On June 29, 2026 at 21:15 UTC, a magnitude 4.2 intermediate depth earthquake struck 36 km ENE of Yilan, Taiwan, at a depth of 97.6 km and coordinates 24.8430°, 122.0970°.
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
122.0970°E
Technical Information
Common Questions
How strong was the magnitude 4.2 earthquake near Yilan, Taiwan?
The magnitude 4.2 earthquake that struck 36 km ENE of Yilan, Taiwan on June 29, 2026 at 21:15 UTC had a depth of 97.6 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.
Actions
Understanding This Data
Magnitude 4.2 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us6000t931). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, June 29, 2026). M4.2 Earthquake 36 km ENE of Yilan, Taiwan — June 29, 2026. Retrieved July 7, 2026 from https://www.earthquaketracker.org/earthquakes/event/us6000t931/