Hawaii community eyes slowly approaching lava

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Hawaii community eyes slowly approaching lava
This Aug. 12, 2014 photo released by the U.S. Geological Survey shows a fluid lava stream within the main tube of the June 27 lava flow from the Kilauea volcano Pahoa, Hawaii. The June 27 lava flow, named for the date it began erupting from a new vent, isn't an immediate threat to homes or structures downhill of the flow, but could become one in weeks or months if it continues to advance, the U.S. Geographical Survey's Hawaiian Volcano Observatory said. (AP Photo/U.S. Geological Survey)
This Aug. 22, 2014 photo released by the U.S. Geological Survey shows the Pu'u 'O'o crater of the Kilauea volcano partially obscured by thick fume from the June 27 lava flow near Pahoa, Hawaii. The June 27 lava flow, named for the date it began erupting from a new vent, isn't an immediate threat to homes or structures downhill of the flow, but could become one in weeks or months if it continues to advance, the U.S. Geographical Survey's Hawaiian Volcano Observatory said. (AP Photo/U.S. Geological Survey, Tim Orr)
In this Wednesday, Dec. 6, 2011 photo provided by US Geological Survey, fumes from Puu Oo crater are seen on Kilauea Volcano in Hawaii. Lava from the Big Island's Puu Oo crater is flowing toward the ocean. Hawaiian Volcano Observatory spokeswoman Janet Babb tells the Honolulu Star-Advertiser the flow was about 1.5 miles from the ocean. (AP Photo/US Geological Survey)
In this Sept. 21, 2011 photo provided by the U.S. Geological Survey, lava flows from Kilauea volcano at Volcanoes National Park in Hawaii. Lava began flowing from the fissure breakout that started last week at Kilauea, a volcano that has been continuously erupting since 1983. It advanced about 2.3 miles before stopping short of the mostly abandoned Royal Gardens subdivision. (AP Photo/USGS, Tim Orr)
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HONOLULU (AP) - Rural Hawaii residents still recovering from a recent tropical storm are keeping a nervous eye on slowly advancing lava that may reach their community within a week.

Lava from Kilauea volcano is within less than a mile of Kaohe Homesteads, authorities said. Lava could reach the community in five to seven days if it continues on its current path, geologists with the Hawaiian Volcano Observatory said.

Lava Heading Toward Hawaii Homes, Emergency Declared

It wasn't immediately clear how many homes could be affected.

The isolated, agricultural region is part of the Big Island's Puna district, where Tropical Storm Iselle toppled trees and knocked out power just last month.

Observatory scientists said the lava has been advancing about 800 feet per day since July 10. They've been closely monitoring the flow and on Thursday raised the alert level from "watch" to "warning."

However, the observatory said predicting a flow's exact path can be difficult because of subtle variations in topography, changes in lava volume and where and how lava enters or exits ground cracks.

Hawaii County Civil Defense Administrator Darryl Oliveira said the agency has not yet ordered an evacuation but will do so when it's clear the lava is at least five days from impacting homes.

"It's very frustrating because even if we look at a five-day period and we tell people to evacuate, it could be weeks before anything happens," Oliveira said.

Mayor Billy Kenoi is declaring an emergency, which will allow authorities to restrict access to roadways so Kaohe Homesteads residents can leave safely if an evacuation becomes necessary.

Officials said exactly how many people live in the subdivision made up of large, mostly agricultural lots is unclear, and county workers have been going door-to-door to conduct counts. Oliveira said his staff members so far have identified 20 to 30 households.

The county is asking all of Puna to be on alert because it's possible the lava could change direction and threaten other communities, he said. It also is advising people to stay away from the Kaohe Homesteads.

When scientists first warned the public about the flow two weeks ago, people wanting a glimpse of the lava began taking helicopter tours over Kaohe and increasing traffic in the community, Oliveira said. He stressed that lava can't be seen from the subdivision.

The Kilauea volcano has been continuously erupting since 1983, but new vents - or points where lava reaches the surface - have opened periodically. Lava from the volcano normally doesn't approach homes, but it did wipe out neighborhoods in 1990.

People continue to live in the area in part because of affordable land and a rural life that feels a world away from Honolulu's big city bustle. "People want to live where they find a place that appeals to them," Oliveira said, "while accepting and understanding we live within these hazards."

The last time an evacuation was ordered was in 2011, recalled Oliveira, who was fire chief at the time. He said the lava destroyed one home before changing course and sparing others.

Most of the lava flows from Kilauea's east rift zone have pushed south, but this recent flow is moving northeast, which is unusual but not unprecedented, according to the observatory.

Jim Kauahikaua, the observatory's scientist-in-charge, has said the current flow is being channeled by two previous flows, which makes it move faster.

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