USGS studies of buried marsh and forest soils have led to recognition that catastrophic subduction-zone earthquakes rock the Pacific Northwest every several hundred to a thousand years, and can result in coastal subsidence and large tsunami waves.
(USGS studies of buried marsh and forest soils; have led; to recognition that catastrophic subduction-zone earthquakes rock the Pacific Northwest every several hundred to a thousand years) (catastrophic subduction-zone earthquakes; rock; the Pacific Northwest)
USGS studies of buried marsh and forest soils catastrophic subduction-zone earthquakes
have led rock
to recognition that catastrophic subduction-zone earthquakes rock the Pacific Northwest every several hundred to a thousand years
the Pacific Northwest