• Hidden magma discovered beneath dormant Cascade Range volcanoes

    New research has found magma reservoirs beneath dormant volcanoes in the Cascade Range remain intact for thousands of years, challenging the long-standing belief that magma bodies dissipate over time after eruptions and reshaping understanding of volcanic activity. Previously, large magma bodies were thought to indicate an increased likelihood of eruption, but the study suggests they are a persistent feature of volcanic systems rather than a sign of imminent activity.

  • Major atmospheric river to impact California coast this weekend

    Forecast confidence in a high-impact atmospheric river (AR) event has steadily increased since January 27, 2025, and CW3E is now warning about a major AR event expected to begin this Friday, January 31 along the U.S. West Coast, and potentially continue into early next week. The most recent forecast from the NCEP Global Ensemble Forecast System (GEFS) is showing >50% probability of an AR 4 or greater over along the California coast between Santa Cruz and Mendocino Counties.

  • Winter storm warnings issued for Hawaii ahead of a severe storm

    Strong winds, heavy rain, and the potential for thunderstorms are expected as a winter storm develops northwest of Hawaii on Wednesday, January 29, 2025, impacting the islands through Friday, January 31. A Winter Storm Watch and Gale Watch have been issued for affected areas.

  • Rare M3.8 earthquake hits Maine, felt in Boston and beyond

    A shallow earthquake registered by the USGS as M3.8 hit near the coast of York Harbor, Maine at 15:22 UTC (10:22 local time) on Monday, January 27, 2025. The agency is reporting a depth of 13.2 km (8.2 miles). The quake was felt as far away as Boston and beyond.