Robert Hughes, the owner of Aloha Junction Bed and Breakfast in Volcano, said he's had "tons" of cancellations since Wednesday when geologists first warned of the explosive eruption.
Residents of Kona on the west of the island have complained of volcanic smog, or vog, from the large amounts of sulphur dioxide and other pollutants spewing from Kilauea.
The Volcano Observatory says they can not predict with certainty if or when these steam driven explosions will occur or how large they might be. She had meant to visit Kilauea's summit with her husband and 5-year-old daughter and stay in Volcano, a town a few miles from the crater.
As long as people stay away, they will be safe, Johnson said, noting that residents are likely well aware of the potential dangers while tourists may be less so.
Hawaii officials have had a busy month pleading with travelers to keep their plans even as they're bombarded with images of natural disasters.
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Bureau of Alcohol, Tobacco, Firearms and Explosives officials also responded to the shooting, the agency tweeted. Nadine Luke told CNN her 18-year-old daughter called her, screaming, after she heard shots in the school.
Geologists said Kilauea may be entering a phase of explosive eruptions not seen in almost a century that could hurl "ballistic blocks" weighing up to 12 tons for 800 metres, shoot pebble-sized projectiles for miles and dust downwind towns with volcanic ash and smog.
"This is three football fields going down", Charles Mandeville, volcano hazards coordinator for the U.S. Geological Survey, said. The volcano is the youngest and most active on the Big Island.
"We have awesome Realtors with a fantastic work ethic and community spirit", said Kehaulani Costa, executive director of the Hawaii Island Realtors.
Officials with the agency wouldn't estimate the likelihood of such an explosion, but called it a "distinct possibility".
President Donald Trump has declared a disaster in Hawaii after a volcanic eruption on May 3 destroyed 36 structures, including 26 homes, and covered more than 117 acres of land in lava. However, he also noted that tourism is the island's biggest industry and people's livelihoods are dependent on visitors coming.
"We can't really peer through the ground and see it exactly in all its details and intricacies", Bill Chadwick, a volcanologist at NOAA, told NPR.
The move makes financial assistance available to fix damaged roads, schools, and public parks.