Identifying the greatest earthquakes of the past 2000 years at the Nehalem River estuary, northern Oregon coast, USA

• Main Authors: Nelson, Alan R., Hawkes, Andrea D., Sawai, Yuki, Engelhart, Simon E., Witter, Rob, Grant-Walter, Wendy C., Bradley, Lee-Ann, Dura, Tina, Cahill, Niamh, Horton, Benjamin Peter
• Other Authors: Asian School of the Environment
• Format: Article
• Language: English
• Published: 2020
• Subjects: Social sciences::Geography; Paleoseismology; Cascadia Subduction Zone
• Online Access: https://hdl.handle.net/10356/145241
• Institution: Nanyang Technological University

We infer a history of three great megathrust earthquakes during the past 2000 years at the Nehalem River estuary based on the lateral extent of sharp (≤3 mm) peat-mud stratigraphic contacts in cores and outcrops, coseismic subsidence as interpreted from fossil diatom assemblages and reconstructed wi...