One of the few coastal areas to evacuate ahead of the 2004 tsunami was on the island of Simeulue. Due to island folklore recounting an earthquake/tsunami in 1907, the islanders fled inland following the initial shaking. Generational folklore saving the lives of the islanders 97 years later..

https://en.wikipedia.org/wiki/2004_Indian_Ocean_earthquake_and_tsunami


https://www.reddit.com/r/todayilearned/comments/8jkvx2/til_that_one_of_the_few_coastal_areas_to_evacuate/