• Major M7.6 earthquake hits near the coast of Hokkaido, Japan, hazardous tsunami waves possible

    A major earthquake registered by the Japan Meteorological Agency (JMA) and USGS as M7.6 struck off the east coast of Aomori Prefecture, Japan, at 14:15 UTC (23:15 JST) on December 8, 2025. Both agencies are reporting a depth of 50 km (31 miles). According to the Pacific Tsunami Warning Center (PTWC), hazardous tsunami waves are possible within 1 000 km (620 miles) of the epicenter.

  • Strong and shallow M6.8 earthquake, multiple strong aftershocks hit off the east coast of Honshu, Japan

    A strong and shallow earthquake registered by the USGS as M6.8 hit off the east coast of Honshu, Japan at 08:03 UTC (17:03 local time) on November 9, 2025. The agency is reporting a depth of 10 km (6.2 miles). The Japan Meteorological Agency (JMA) reported it as M6.7 at a depth of 10 km, while the European-Mediterranean Seismological Centre (EMSC) reported M6.8 at a depth of 5 km (3.1 miles).

  • Increased seismicity and gas emissions at Meakandake volcano, Hokkaido, Japan

    The Japan Meteorological Agency (JMA) raised the Alert Level for Meakandake volcano in Hokkaido, Japan, from 1 to 2 at 06:20 UTC (15:20 JST) on September 15, 2025, after an increase in seismicity near Ponmachineshiri Crater. From September 16 to 23, eruptive activity continued with 27–50 daily volcanic earthquakes, minor ashfall, and white steam-and-gas plumes rising 200–800 m (656–2 625 feet) above the crater rim. Access within 500 m (1 640 feet) of the crater remains restricted, affecting parts of Kushiro City and Ashoro Town.

  • At least one dead as record rainfall strikes Tokyo, Japan

    At least 1 person died while another was injured as record rainfall triggered severe flooding across Tokyo and the Kanto region, Japan on September 11, 2025. Evacuation orders were issued as the over 6 000 homes had their power knocked by the storm, as transport disruptions affected over 100 000 people.

  • Over 1 300 structures damaged, 89 people injured as powerful JEF3 tornado hits Shizuoka Prefecture, Japan

    A powerful JEF3 tornado struck Makinohara and Yoshida in Japan’s Shizuoka Prefecture on September 5, 2025, injuring at least 89 and damaging over 1 300 structures in the region. The Japan Meteorological Agency (JMA) reported peak winds of around 270 km/h (168 mph), making it one of the strongest tornadoes on record in the country.

  • Tropical Storm Peipah hits Japan, evacuation orders issued for 660 000

    Tropical Storm Peipah made landfall in Kochi Prefecture, Japan, around 01:00 JST on Friday, September 5, 2025, bringing strong winds and heavy rainfall across multiple regions. The storm injured at least 24 people and damaged or destroyed several homes. Authorities issued evacuation orders for more than 600 000 residents.