Prehistoric tsunamis

Prehistoric tsunamis are tsunamis and so-called "megatsunamis" that occurred before recorded history. The events have been identified through oral tradition and/or geological evidence. Those events that have been identified through contemporary records are listed as historic tsunamis.

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Approx. date Location Cause Evidence for tsunami
66 million years BP Chicxulub crater, Yucatan asteroid strike presumed[1][2]
35.5 million years BP Chesapeake Bay bolide impact presumed [3]
10,000 yrs BP Seton Portage, British Columbia landslide into lake presumed[4]
8,000 years BP Mount Etna, Sicily volcanic landslide submarine sediments off Etna, submerged settlements off eastern Mediterranean coast, e.g. Atlit Yam [5][6]
8,000 years BP Norwegian Sea submarine landslip (Storegga Slide) deposited sediments in Scotland[7][8]
4,000 BP Réunion island landslide presumed[9]

References

  1. ↑ Bryant, Edward (June 2014). Tsunami: The Underrated Hazard. Springer. p. 178. ISBN 978-3-319-06133-7.
  2. ↑ Renne, Paul R.; Deino, Alan L.; Hilgen, Frederik J.; Kuiper, Klaudia F.; Mark, Darren F.; Mitchell, William S.; Morgan, Leah E.; Mundil, Roland; Smit, Jan (7 February 2013). "Time Scales of Critical Events Around the Cretaceous-Paleogene Boundary". Science. 339 (6120): 684–687. Bibcode:2013Sci...339..684R. doi:10.1126/science.1230492. PMID 23393261.
  3. ↑ Poag, C. Wiley. Chesapeake Invader: Discovering America's Giant Meteorite Crater. Princeton, NJ: Princeton University Press, 1999. ISBN 0-691-00919-8
  4. ↑ SetonPortage.ca website
  5. ↑ Than, Ker (2006-11-30). "Ten-Story Tsunami Thrashed Mediterranean 8,000 Years Ago". Fox News. Retrieved 2005-12-20.
  6. ↑ Hecht, Jeff (2006-12-13). "How Etna's Neolithic Hiccup Set Off a Tsunami". New Scientist. Retrieved 2005-12-20.
  7. ↑ Bondevik, Stein; Dawson, Sue; Dawson, Alastair; Lohne, Øystein (5 August 2003). "Record-breaking Height for 8000-Year-Old Tsunami in the North Atlantic" (PDF). Eos, Transactions, American Geophysical Union. 84 (31): 289, 293. Bibcode:2003EOSTr..84..289B. doi:10.1029/2003EO310001. Retrieved 2007-01-15.
  8. ↑ Bondevik, S; Lovholt, F; Harbitz, C; Stormo, S; Skjerdal, G (2006). "The Storegga Slide Tsunami - Deposits, Run-up Heights and Radiocarbon Dating of the 8000-Year-Old Tsunami in the North Atlantic". American Geophysical Union meeting.
  9. ↑ Mega-tsunami: Wave of Destruction. Background article. BBC Two television programme first broadcast 12 October 2000
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