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Low-lying sandy deposit observed 2008 to 2013 and dated to later than 1650 C.E. on Anegada, British Virgin Islands

Published by U.S. Geological Survey | Department of the Interior | Metadata Last Checked: July 16, 2025 | Last Modified: 20231027
This part of the release provides an updated list of places on Anegada, none of them more than 0.5 m above sea level, where observed sandy deposits may represent the Lisbon tsunami of 1755 C.E. These places were previously plotted in Figure A3 of https://doi.org/10.1130/GES01356.1, a paper in which the Lisbon tsunami is inferred to have had minor effects on Anegada compared with a sea flood a few centuries earlier. Details about the low, probable Lisbon deposits were previously reported in https://doi.org/10.1007/s11069-010-9622-6 (stratigraphy), https://doi.org/10.1007/s11069-011-9730-y (molluscan paleontology), and https://doi.org/10.1007/s11069-010-9706-3 (foraminifera).

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