rockon-ro: Kilauea caldera on the Big Island in Hawaii. Looking down into the Iki crater with Halemaumau crater in the background, actively spewing steam and gas. Upper photo taken on the floor of Iki crater.

rockon-ro: Kilauea caldera on the Big Island in Hawaii. Looking down into the Iki crater with Halemaumau crater in the background, actively spewing steam and gas. Upper photo taken on the floor of Iki crater.

rockon-ro: Kilauea caldera on the Big Island in Hawaii. Looking down into the Iki