Medieval forewarning of the 2004 Indian Ocean tsunami in Thailand
Nature
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Abstract
Recent centuries provide no precedent for the 2004 Indian Ocean tsunami, either on the coasts it devastated or within its source area. The tsunami claimed nearly all of its victims on shores that had gone 200 years or more without a tsunami disaster. The associated earthquake of magnitude 9.2 defied a Sumatra-Andaman catalogue that contains no nineteenth-century or twentieth-century earthquake larger than magnitude 7.9 (ref. 2). The tsunami and the earthquake together resulted from a fault rupture 1,500 km long that expended centuries' worth of plate convergence. Here, using sedimentary evidence for tsunamis, we identify probable precedents for the 2004 tsunami at a grassy beach-ridge plain 125 km north of Phuket. The 2004 tsunami, running 2 km across this plain, coated the ridges and intervening swales with a sheet of sand commonly 5-20 cm thick. The peaty soils of two marshy swales preserve the remains of several earlier sand sheets less than 2,800 years old. If responsible for the youngest of these pre-2004 sand sheets, the most recent full-size predecessor to the 2004 tsunami occurred about 550-700 years ago. ??2008 Macmillan Publishers Limited. All rights reserved.
Suggested Citation
Jankaew, K., Atwater, B., Sawai, Y., Choowong, M., Charoentitirat, T., Martin, M., and Prendergast, A., 2008, Medieval forewarning of the 2004 Indian Ocean tsunami in Thailand: Nature, v. 455, no. 7217, p. 1228-1231, https://doi.org/10.1038/nature07373.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Medieval forewarning of the 2004 Indian Ocean tsunami in Thailand |
| Series title | Nature |
| DOI | 10.1038/nature07373 |
| Volume | 455 |
| Issue | 7217 |
| Year Published | 2008 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Nature |
| First page | 1228 |
| Last page | 1231 |