• Earthquake swarm in progress along Calaveras fault near San Francisco, California

    Over 40 earthquakes were recorded along the Calaveras fault southeast of San Ramon, California, between November 9 and 10, 2025. The largest event, M3.8, occurred at 09:38 LT (17:38 UTC) on November 9 at a depth of 9.2 km (5.7 miles). Geological and seismic studies show that the Calaveras fault is capable of generating an event in the M6.5 to M7.0 range over long-term timescales.

  • Early-season lake-effect snow blankets Chicago and Great Lakes states

    The season’s first measurable snow reached Chicago early Monday, November 10, 2025, as Arctic air swept across the Great Lakes, producing intense lake-effect snow bands over Lakes Michigan, Erie, and Ontario. Travel warnings were issued from Illinois to western New York, with authorities urging drivers to avoid non-essential travel.

  • Super Typhoon Fung-wong (Uwan) makes nighttime landfall in northern Luzon, Philippines

    Super Typhoon Fung-wong (known locally as Uwan) made landfall over Dinalungan, Aurora, northern Luzon, at about 21:10 LT (13:10 UTC) on November 9, 2025, with maximum sustained winds near 185 km/h (115 mph) and gusts up to 230 km/h (143 mph). More than 1.1 million people were pre-emptively evacuated across 12 regions, and at least two fatalities and two injuries have already been confirmed.

  • 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).

  • Atmospheric river forecast to bring heavy precipitation to California from November 12 to 15

    A developing low-pressure system over the Northeast Pacific is forecast to direct a strong atmospheric river (AR) toward California between November 12 and 15, 2025. The Center for Western Weather and Water Extremes (CW3E) indicates a high probability of moderate to strong AR conditions in Northern and Central California, with heavy precipitation possible in the Sierra Nevada and coastal ranges.

  • Deadly tornado destroys 80 percent of Rio Bonito do Iguaçu, Paraná, Brazil

    A powerful tornado struck the municipality of Rio Bonito do Iguaçu, Paraná, southern Brazil, in the late afternoon of November 7, 2025, killing at least five people and injuring over 130, of whom 30 were seriously injured. Winds exceeding 240 km/h (150 mph) destroyed most of the town’s structures, prompting a large-scale emergency response by Civil Defense, the Fire Department, and state authorities.

  • Typhoon Kalmaegi makes landfall over central Vietnam

    Typhoon Kalmaegi made landfall over Binh Dinh Province in central Vietnam on November 6, 2025. Heavy storm total rainfall of up to 200–600 mm (8–24 inches) is forecast across parts of Vietnam as the storm moves towards Laos and Cambodia.