M4.0 Earthquake 87 km SE of Hualien City, Taiwan — June 11, 2026
2026-06-11 18:57:18 UTC (2026-06-11) · approx. 2:57 AM UTC+8 local
On June 11, 2026 at 18:57 UTC, a magnitude 4.0 shallow crustal earthquake struck 87 km SE of Hualien City, Taiwan, at a depth of 10.0 km and coordinates 23.3913°, 122.1773°.
Physical scale: An earthquake of magnitude 4.0 releases seismic energy equivalent to roughly 15 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 347 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
122.1773°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.0 earthquake near Hualien City, Taiwan?
The magnitude 4.0 earthquake that struck 87 km SE of Hualien City, Taiwan on June 11, 2026 at 18:57 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 4.0 earthquakes can continue for several days and gradually diminish over time.
Actions
Understanding This Data
Magnitude 4.0 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us7000ssb0). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, June 11, 2026). M4.0 Earthquake 87 km SE of Hualien City, Taiwan — June 11, 2026. Retrieved June 24, 2026 from https://www.earthquaketracker.org/earthquakes/event/us7000ssb0/