Far below the Pacific, scientists are mapping a hidden record of catastrophe carved into the seabed by ancient Cascadia earthquakes. Those deep scars, preserved in massive underwater landslides, are ...

SALEM, Ore. — Oregon has a new playbook for preparing and responding to a major earthquake that dictates what should be tackled over time versus a list of tasks to get done. The playbook provides a ...

They are two of the West Coast’s most destructive generators of huge earthquakes: The San Andreas fault in California and the Cascadia subduction zone offshore of California’s North Coast, Oregon, ...

Oregon is unprepared for a major disaster such as a volcanic eruption, terrorist attack or Cascadia earthquake and tsunami, the state Audits Division said in a report released Thursday. Oregon’s ...