Earth

The Washington PostThe Washington Post

Scientists map one of Earth’s top hazards in the Pacific Northwest

Carolyn Y. Johnson
Science
  • A catastrophic earthquake and tsunami will one day hit the Pacific Northwest as tectonic plates slip.
  • Scientists mapped a 600-mile geologic boundary off the coast where 2 pieces of Earth’s crust slide against each other.
  • It is building up stresses capable of unleashing a 9.0-magnitude earthquake and a tsunami, with waves 40 feet high.
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