• M5.2 San Diego earthquake linked to Elsinore Fault renews concerns over major seismic risk in Southern California

    ByReet Kaur

    M5.2 earthquake that struck San Diego County near Julian on April 14, 2025, occurred along the Elsinore Fault Zone, a major strike-slip fault in Southern California capable of producing earthquakes up to magnitude 7.8. The fault runs near densely populated areas including Los Angeles, Long Beach, and Riverside, and its long period of limited activity may indicate an increased potential for a significant seismic event, according to recent research.

  • Two storm systems to hit California with rain and snow

    ByTeo Blašković

    Multiple mid-level shortwave troughs are expected to bring heavy rain and mountain snow to Central and Southern California from March 5 to 7, 2025. Forecasters warn of localized flash flooding and significant winter storm impacts, particularly in higher elevations.

  • Atmospheric river brings heavy rain to California and the Pacific Northwest

    ByRishav Kothari

    A Pacific storm and atmospheric river will impact the Pacific Northwest states and northern Rockies this weekend, bringing locally heavy low-elevation rain and heavy high-elevation snow in the mountains. By Sunday over the Interior Northwest, rain combined with snowmelt will increase the risk of flood hazards.