Update: Earthquake of 5.2 magnitude reported close to Nemuro, Japan on April 11

Published Apr 23, 2026

A 5.2 magnitude quake shook near Nemuro on Saturday evening, according to the U.S. Geological Survey.

A tremor jolted the area at 09:49 UTC (19:49 local time). The earthquake’s epicenter was approximately 185 km south-southeast of Nemuro and occurred at a depth of 10 km. The magnitude was originally reported as 5.4 but later downgraded to 5.2.

Did you feel it?

If you noticed the quake, you can submit a report 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 adobe block and unreinforced brick with mud construction.

Source: The U.S. Geological Survey