Magnitude 5.5 earthquake — Hamakita, Japan
A magnitude 5.5 earthquake struck near Hamakita, Japan at a depth of about 38 km. Details, shaking intensity and any tsunami information are on the USGS event page.
Explained simply
Hamakita is an area in Shizuoka Prefecture, on Japan’s Pacific coast, west of Tokyo. Japan lies where several of Earth’s tectonic plates meet, making earthquakes a regular hazard.
The US Geological Survey records and maps earthquakes around the world. Japan’s authorities monitor shaking and possible tsunami threats, and issue public information when needed.