Tsunami researchers hunt for clues about the next big Pacific Northwest quake
Briefly

"To understand the future risk, scientists must reconstruct the past... It’s challenging to find intact records of past tsunamis along the Oregon Coast, which involves tedious sediment sampling."
"This summer, scientists wove their way through waist-high marsh grasses... searching for '1700' – a 9-magnitude temblor that caused large swaths of coast to sink and triggered a tsunami."
Read at Washington Post
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