The mandatory evacuation zone lies within a slightly larger area that was already under a voluntary evacuation and curfew.
"Stress is high, anxiety is high", Hawaii County Civil Defense Administrator Talmadge Magno told reporters Wednesday.
And the eruptions are still going strong.
Because the lava was spread out over a wide area, the frontier of the flow was only moving at about three feet per second, Carolyn Parcheta, a geologist with the U.S. Geological Survey, said in a video message posted online. Beach Road is restricted to resident traffic from Four Corners to Hawaiian Beaches to allow continued evacuations.
Hawaii's Volcanoes National Park has been closed for 19 days and has no water due to damaged utility lines, said Jessica Ferracane, a spokeswoman for the National Park Service.
Another fissure - no. 18 - was producing a lava flow that was moving downslope at a rate of 100 yards per hour. "Volcanic gas emissions at the summit remain high".
A fast-moving lava flow, spewing fountains more than 200 feet into the air, is making its way through lower Puna, sparking immediate evacuations as it covers major roads and threatens more homes in the area.
"Rather than shock and surprise it was more of a resolve that, OK, it's come to us now", Steven Neill, a Kapoho evacuee, told CNN affiliate KGMB/KHNL on Wednesday.
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Those who decline to evacuate are on their own, with Hawaii County Mayor Harry Kim saying late Tuesday that first responders would cease going door-to-door in risky areas once final evacuation orders were issued. Those who choose to ignore the orders will have to fend for themselves, Kim said.
Lava had also covered two wells at a geothermal plant as of Sunday. Vog is a haze created when sulfur dioxide gas and other volcanic pollutants mix with moisture and dust.
One new product of the fountaining lava this morning was Pele's hair, harmful fine strands of volcanic glass fibers that are so abrasive that they can scratch vehicle windshields if wiped away using windshield wipers.
"This is the hottest lava that we've seen in this eruption, even just a matter of 50C makes a big difference in how quickly lava flows can move and how they behave once the magma exits the vent", Ms Stovall said. Uncovering the 8 mile stretch could take up to two weeks, the news release added.
A decade ago, it either took expensive and unsafe helicopter flights or approaching eruptions on foot to get close enough to make observations.
It could be a while before power returns.
Hawaii Electric Light Co. says it's evaluating how to provide power to Vacationland and Kapoho Beach Lots once the eruption is over, but it won't be able to finalise a plan until the area is stable.