Coral clasts noted in 2008 to 2017 that pertain to sea floods of the past 1,000 years on Anegada, British Virgin Islands

Publication Date

2023-10-27

Start Date

2008-02-19

End Date

2017-03-15

Atwater, Brian F., compiler, 2023, Field evidence noted in 2008 to 2023 that pertains to sea floods of the past millennium on Anegada, British Virgin Islands: U.S. Geological Survey data release, https://doi.org/10.5066/P9TLLBOC.

As explained further in the Overview, the full data release is intended to support assessments of hazards from unusually large tsunamis generated in the northeast Caribbean. The documented evidence for such hazards includes coral clasts on Anegada that were derived offshore the north and northeast parts of Anegada, and which were scattered hundreds of meters southward or southwestward from there. Those clasts have yielded approximate ages for a catastrophic sea flood about six centuries ago (https://doi.org/10.1130/GES01356.1), and they have served as ground truth in simulations of hypothetical tsunamis from faulting in the Puerto Rico Trench (https://doi.org/10.1016/j.earscirev.2022.104018).

• USGS Data Release Products

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