Disasters · Earthquake

M4.8 · Japan

First tracked 29 August 2026 · Last updated 30 August 2026

M4.8

Magnitude

35 km

Depth

45,004

Population exposed

50 thousand in MMI III

Exposure detail

An M4.8 earthquake struck 58 km ESE of Koshima, Japan, at a depth of 35 km, with an estimated exposure of 45,004 people. No tsunami was generated.

Sources

Source: USGS & GDACS · figures reported · Reviewed