The Japan Meteorological Agency has a unique seismic scale called shindo that measures the degree of shaking in the event of an earthquake. This set of numbers — ranging from 0 to 7 — is ...

The end of the rainy (Baiu) season in the Kanto region and northern Japan is induced by a "convection jump," known as the ...

Numerical weather prediction (NWP) systems use large amounts of observational data gathered daily using satellite-based and ground-based instruments to make forecasts, but maintaining them is costly ...

A Japan Meteorological Agency official holds a news conference in Tokyo on January 13, 2025. An earthquake with an estimated magnitude of 6.6 occurred earlier that day in southwest Japan.

A quake with a preliminary magnitude of 6.9 struck the Kyushu region at 9:19 p.m. (0019 GMT) on Monday, the Japan Meteorological Agency said. After an investigation, the JMA said the quake did not ...

A strong earthquake struck southwestern Japan, the U.S. Geological Survey said, prompting authorities to issue a tsunami advisory.