1888 Ritter Island eruption and tsunami

On the morning of 13 March 1888, a section of Ritter Island, a small volcanic island off the coast of New Guinea, collapsed into the sea in a sector collapse. Prior to its collapse, Ritter Island was a steeply-sloping, 780 m (2,560 ft) volcanic cone which produced eruptions in the 1690s and 1790s.