Disasters · Earthquake

M4.8 · Japan

First tracked 12 August 2026 · Last updated 12 August 2026

M4.8

Magnitude

60 km

Depth

397,688

Population exposed

400 thousand in MMI III

Exposure detail

An M4.8 earthquake struck 81 km east-northeast of Mutsu, Japan at a depth of 60 km. The event exposed approximately 397,688 people in the affected region. No tsunami was generated.

Sources

USGS ↗GDACS ↗

Source: USGS & GDACS · figures reported · Reviewed