A lava lake has formed in the Masaya volcano in Nicaragua drawing many tourists to the area. This phenomena occurs when lava accumulates in the crater of a volcano. These lava lakes are rare with only a few volcanoes around the world producing continuous ones. The lava lake in the Masaya volcano is temporary. Temporary lava lakes last only until the lava cools which could take a few weeks or a few months.
As an impressive stream of lava from Hawaii's Kilauea Volcano was steadily splashing into the Pacific Ocean for the past month, part of the sea cliff at the Kamokuna ocean entry on the south-east side of the Big Island of Hawaii became highly unstable and eventually collapsed.