A decade after a tsunami tore through Thailand’s popular Phuket beach region, tourist, flight and hotel numbers have surged. WSJ’s Ramy Inocencio reports from Khao Lak.

THAI tourism industry icon Wichit Na Ranong, managing director of the luxurious Indigo Pearl resort at Nai Yang Beach in Phuket, says, “I would say we had a very fast recovery after the tsunami.