Update: 5.6 magnitude earthquake detected close to Tsunagi, Japan on July 28

Published Jul 29, 2026

ASHIKITA DISTRICT, Kumamoto — A 5.6 magnitude quake occurred close to Tsunagi on Tuesday afternoon, according to the U.S. Geological Survey.

A tremor jolted the area at 08:08 UTC (17:08 local time). The earthquake’s epicenter was approximately 16 km northeast of Tsunagi and occurred at a depth of 10 km.

Did you feel it?

Those who noticed the quake are encouraged to report it through the USGS Felt Report form.

Impact and estimated losses

The USGS categorized this as a Green Alert, which means there is a low likelihood of casualties and damage. Recent earthquakes in this area have caused secondary hazards such as landslides that might have contributed to losses.

Structure information summary

Overall, the population in this region resides in structures that are resistant to earthquake shaking, though vulnerable structures exist. The predominant vulnerable building types are heavy wood frame and reinforced/confined masonry construction.

Source: The U.S. Geological Survey