And another volcanic island in the chain, Nishinoshima, has been spewing gas and lava since 2013. 7, a magnitude-5.9 tremor shook buildings across Tokyo and eastern Japan. Created by the subduction of the Pacific tectonic plate below the Philippine Sea Plate, the island chain is prone to earthquakes and volcanic eruptions, and it has been experiencing an uptick of seismic events in recent weeks, according to Japan’s Meteorological agency. Iwo Jima is part of the Bonin Islands, a chain of roughly 30 subtropical islands in the Pacific Ocean. Guts of Galapagos volcano revealed in 3D images Snow blankets Hawaii volcanoes in stunning satellite images Unforgettable images capture volcano rumbling to life
