Disasters · Earthquake

M4.6 · Japan

First tracked 27 July 2026 · Last updated 4 July 2026

M4.6

Magnitude

388 km

Depth

25,678

Population exposed

Tsunami flag

An M4.6 earthquake struck Japan at a depth of 388 km on 4 July 2026. Approximately 25,678 people were estimated to be exposed to shaking. No tsunami was generated.

Sources

GDACS ↗USGS ↗

Source: GDACS & USGS · figures modelled