San Juan Bautista has a very mild Mediterranean climate ( Köppen '' Csb '' ) , with rainfall intermediate between that of Valparaíso and Concepción . Temperature is influenced by the cold Humboldt Current , which flows northward to the east of Robinson Crusoe Island , and the southeast trade winds . On February 27 , 2010 , at least eight people lost their lives when a tsunami caused by the Chilean 8.8 earthquake hit the island and inundated the town . Most of the buildings in the community were destroyed . The disaster could have been worse if not for a timely warning from a 12-year-old girl named Martina Maturana which saved many of her neighbors from harm
Chilean 8.8 earthquake
2010 Chile earthquake
San Juan Bautista, Chile