Hawaii officials plead for visitors to keep travel plans

People visits the Jaggar Museum at Hawaii Volcanoes National Park on Thursday. The park is closing Friday due to the threat of an explosive volcanic eruption. (Jae C. Hong/Associated Press)
Steam and gas rise along the edge of Halema‘uma‘u Crater at Kilauea Volcano's summit on Thursday. (Jae C. Hong/Associated Press)
Visitors are reflected in the window of the Jaggar Museum as they view Halema‘uma‘u Crater at Kilauea Volcano's summit Thursday inside Hawaii Volcanoes National Park. (Jae C. Hong/Associated Press)
Steam and gas rise Thursday from Halema‘uma‘u Crater at Kilauea Volcano's summit within Hawaii Volcanoes National Park. The park is closing Friday due to the threat of an explosive volcanic eruption. (Jae C. Hong/Associated Press)
The entrance to Volcano Inn is seen Thursday in Volcano. The town is located on the border of Hawaii Volcanoes National Park, just a few miles east of Kilauea Volcano's summit crater. (Jae C. Hong/Associated Press)
Visitors view Halema‘uma‘u Crater at Kilauea Volcano's summit outside the Jaggar Museum Thursday in Hawaii Volcanoes National Park. (Jae C. Hong/Associated Press)

VOLCANO — Warnings that Kilauea Volcano could shoot boulders and ash out of its summit crater are prompting people to rethink their plans to visit Hawaii Island.