• Earthquakes at Mendocino Triple Junction, California

    Five minor to moderately strong earthquakes were registered at Mendocino Triple Junction, west of Eureka, California at a depth of 10 km (6.2 miles) on May 5, 2019. The strongest was M4.8 detected at 06:46 UTC on May 5. The sequence started with M3.1 at 04:17 UTC,…

  • Almost 2 million previously unidentified earthquakes in Southern California

    Caltech seismologists have identified nearly two million previously unidentified tiny earthquakes that occurred between 2008 and 2017 in Southern California, expanding the region's earthquake catalog by a factor of 10. Their efforts, published online by the…

  • Major floods inundate 2 000 homes and buildings, California

    Russian River at Guerneville crested with a preliminary height of 13.83 m (45.38 feet) at 22:00 PST, Wednesday, February 27, 2019. Major flooding continued Thursday morning but the river is expected to slowly recede through the day and fall below flood stage of…