Update: Earthquake hits region near Asahi, Japan on Oct. 28 – 5.5 magnitude recorded

Published Oct 28, 2026

A 5.5 magnitude quake occurred close to Asahi at midnight on Wednesday, the U.S. Geological Survey reported.

The tremor, which jolted the area at 15:07 UTC (00:07 local time), was centered approximately 5 km east-southeast of Asahi. It occurred at a depth of 41 km.

Did you feel it?

Those who felt the earthquake are encouraged to report it via the USGS Felt Report form. The agency has so far received 3 reports via its online form from people who report they experienced the quake.

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 and fires 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