A 5.5 magnitude quake hit close to Mutsu on Saturday around midday, the U.S. Geological Survey reported.

The tremor, which shook the area at 02:48 UTC (11:48 local time), was centered approximately 57 km east of Mutsu. It occurred at a depth of 82 km.

Did you feel it?

Those who noticed the earthquake are encouraged to report it via 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 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.

Area struck by 7.7 quake in 1993
The area has experienced significant seismic activity in the past. On Jul. 12, 1993, a magnitude 7.7 earthquake struck west of Iwanai in Iwanai District, at a depth of 10.4 miles.

Source: The U.S. Geological Survey