The Japan Meteorological Agency said the quake originated southeast of the Nemuro Peninsula at a depth of about 40 kilometers at 1:40 a.m., registering lower 5 on the Japanese seismic intensity scale of 7 in some parts of the northern island.
When the quake occurred, the Fire and Disaster Management Agency broadcast an emergency alert predicting a quake measuring up to upper 5 on the Japanese scale. The government set up a liaison office at the prime minister’s office to handle the situation.
Earlier, it was reported that Mongolia recorded over 14,000 earthquakes in 10M2025.

AloJapan.com