The Pacific Tsunami Museum (originally, the Hilo Tsunami Museum) is a museum in Hilo, Hawaii dedicated to the history of the April 1, 1946 Pacific tsunami and the May 23, which devastated much of the east coast of the Big Island, especially Hilo. The museum also has a mission to educate people in general about tsunamis, including the 2004 Indian Ocean earthquake and tsunami. It is located at 130 Kamehameha Avenue, at the intersection of Kamehameha and Kalakaua in downtown Hilo.