Update: 5.4 magnitude earthquake reported close to Miyako, Japan on April 20

Published May 15, 2026

A 5.4 magnitude quake occurred close to Miyako on Monday afternoon, according to the U.S. Geological Survey.

At 08:03 UTC (18:03 local time), a tremor struck the region at a depth of 35 km, with its epicenter about 143 km east-northeast of Miyako.

Did you feel it?

You can let the USGS know if you felt the earthquake by filling out their 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.

Past week’s tremor

Prior to this quake, one more magnitude 7.4 tremor was detected in the area, also close to Miyako.

Source: The U.S. Geological Survey