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Latest Quake Info

Real-time Earthquake Maps

Real-time Shaking Maps

Real-time Seismogram Displays

Earthquake Network Reports and Updates

Recent and Significant Past Earthquakes

Earthquake Notification Mailing Lists


Access to Earthquake Data

Earthquake Network Reports and Updates
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Weekly Seismicity Reports

Current Conditions at Long Valley caldera, California

Recorded telephone messages updating recent activity:

  • Northern and Central California
    Earthquake Update Hotline - USGS, Menlo Park, California: (650) 329-4085 or (650) 329-4668
  • USGS Office of Communications
    24-Hour Earthquake Hotline for Media: (206) 331-0335 or (707) 499-1210
    After hours: (650) 329-4011
  • USGS National Earthquake Information Office (NEIC)
    24-Hour Earthquake Hotline: (303) 273-8516
    Live person: (303) 273-8500
  • UC Berkeley
    Earthquake Recording/Updated after earthquakes of note, generally within 20-60 minutes: (510) 642-2160