Magnitude 5.7 earthquake — Hasaki, Japan
A magnitude 5.7 earthquake struck near Hasaki, Japan at a depth of about 24 km. Details, shaking intensity and any tsunami information are on the USGS event page.
Explained simply
Japan lies in a region where several tectonic plates meet, making earthquakes a regular occurrence. Many are small, though stronger ones can affect homes, transport and essential services.
Hasaki is in eastern Japan, on the Pacific coast. The US Geological Survey records earthquake location, depth and magnitude; Japanese authorities assess local shaking and issue any tsunami warnings.