In 2009, a video camera and a hydrophone were floating 1,200 meters below sea level in the Pacific Ocean near Samoa, watching and listening as the West Mata Volcano erupted in several ways.
En 2009, deixáronse flotando a 1 200 metros de profundidade unha cámara de vídeo e un hidrófono no océano Pacífico preto de Samoa, para observar e escoitar os distintos tipos de erupción do volcán West Mata.