
Steam vents and steam cloud emitted by the active crater (Halema'uma'u) inside the inner caldera.

Wisps of steam and sulfurous gas are emitted from the warm, wet and fractured ground. It is believed that a shallow body of solidified hot rock resides below…

Edge of the outer caldera. About 500 years ago, the summit of Kilauea collapsed, forming a huge volcanic depression or caldera. During this event many large…

Rain forest. Ohi'a trees form the canopy and tree ferns dominate the understory. The forest is drenched by rain: over 3m per year. This rain forest is the…