M4.0 Earthquake 215 km WNW of Anamizu, Japan — July 13, 2026
2026-07-13 17:58:26 UTC (2 hours ago) · approx. 2:58 AM UTC+9 local
On July 13, 2026 at 17:58 UTC, a magnitude 4.0 deep-focus earthquake struck 215 km WNW of Anamizu, Japan, at a depth of 412.7 km and coordinates 37.8376°, 134.5791°.
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
134.5791°E
Technical Information
Common Questions
How strong was the magnitude 4.0 earthquake near Anamizu, Japan?
The magnitude 4.0 earthquake that struck 215 km WNW of Anamizu, Japan on July 13, 2026 at 17:58 UTC had a depth of 412.7 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.
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Understanding This Data
Magnitude 4.0 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us7000t04s). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, July 13, 2026). M4.0 Earthquake 215 km WNW of Anamizu, Japan — July 13, 2026. Retrieved July 13, 2026 from https://www.earthquaketracker.org/earthquakes/event/us7000t04s/