Officials with the USGS say there is no way to know when the eruption will end or if more lava-spewing vents will open.
Hawaii County Mayor Harry Kim said lava has destroyed more than 600 homes since early last month.
Also present at the press conference, Hawaii Governor David Ige said state will allocate 12 million USA dollars to help respond to the eruption, covering expenses ranging from overtime work to food and equipment.
The obliteration of the Kapoho Beach Lots and Vacationland subdivisions by a churning river of molten rock some 10 to 15 feet (3 to 4.6 meters) tall brings to at least 350 the number of homes and other structures consumed by volcanic lava during the past month.
So too have airborne volcanic glass fibers, called "Pele's Hair", wispy strands carried aloft by the wind from lava fountains and named for the volcanic goddess of Hawaiian myth.
"This is the hottest lava we've seen during this eruption", Wendy Stovall, a scientist with USGS told CNN affiliate Hawaii News Now.
Fast-moving lava from fissure 8 poured into the low-laying coastal Hawaii neighborhoods in just two days this week, destroying hundreds of homes.
A woman who evacuated her Hawaii home because of an erupting volcano says she filmed an angry neighbor shooting at a man near a lava flow.
Kilauea is one of five volcanoes on the Big Island and is one of the most active volcanoes in the world, according to the ESA.
Any new land masses that are formed by lava within the national park become federal land and any ocean entries outside the park becomes state land.
The latest damage appraisal from Kilauea came moments after Governor David Ige, on a visit to Hawaii County Civil Defense headquarters in Hilo, the island's biggest city, signed a memorandum of understanding furnishing $12 million in immediate state disaster relief to the island.