M4.1 Earthquake 117 km WNW of Ie, Japan — July 30, 2026
2026-07-30 06:30:17 UTC (2026-07-30) · approx. 2:30 PM UTC+8 local
On July 30, 2026 at 06:30 UTC, a magnitude 4.1 intermediate depth earthquake struck 117 km WNW of Ie, Japan, at a depth of 132.1 km and coordinates 26.9657°, 126.6572°.
Physical scale: An earthquake of magnitude 4.1 releases seismic energy equivalent to roughly 21 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 406 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
126.6572°E
Technical Information
Common Questions
How strong was the magnitude 4.1 earthquake near Ie, Japan?
The magnitude 4.1 earthquake that struck 117 km WNW of Ie, Japan on July 30, 2026 at 06:30 UTC had a depth of 132.1 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 4.1 earthquakes can continue for several days and gradually diminish over time.
Actions
Location
Understanding This Data
Magnitude 4.1 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us6000ti23). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, July 30, 2026). M4.1 Earthquake 117 km WNW of Ie, Japan — July 30, 2026. Retrieved August 6, 2026 from https://www.earthquaketracker.org/earthquakes/event/us6000ti23/