Disasters · Earthquake

M4.6 · Japan

First tracked 6 August 2026 · Last updated 7 August 2026

M4.6

Magnitude

10 km

Depth

223,240

Population exposed

220 thousand in MMI V

Exposure detail

An M4.6 earthquake struck 5 km ENE of Matsubase, Japan at a depth of 10 km. The event exposed approximately 223,240 people and generated 3 felt reports. No tsunami was triggered.

Sources

USGS ↗GDACS ↗

Source: USGS & GDACS · figures reported · Reviewed