It’s amazing, given the epicenter, that Thailand suffered even as much as it did.
http://www.abc.net.au/cm/lb/5979674/data/tsunami-toll-graphic-data.jpg
Boxing day tsunami 2004 Thailand - complete series 1/4 Phuket
https://www.youtube.com/watch?v=Qvo_6BbKKGw
Puket is an island in the Andaman Sea and any wave originating to the south will slam the coasts at least north to Khao Lak.