By Nicole Chavez and Amir Vera, CNN
(CNN) -- A new fissure opened early Sunday on Hawaii's Big Island, splattering lava tens of feet into the air and forcing more residents to evacuate.
The fissure, which is several hundred yards long, was the 17th crack in the ground to open on the island in the week since the Kilauea volcano erupted on May 3. The newest fissure was originally designated the 18th fissure, but because the one previously labeled 17th never spewed lava, the Hawaiian Volcano Observatory reclassified the latest fissure as the 17th.
Nearly 2,000 people have been evacuated since the volcano erupted May 3, sending lava flowing into communities and threatening a nearby geothermal plant.
The Department of Public Works and Police said the new fissure opened on Hale Kamahina Loop Road and is emitting steam and lava.
Residents along the road have been ordered to evacuate, officials said.
The volcanic vents, or fissures, have released slow-moving lava and toxic gas into island communities, gobbling up dozens of homes and vehicles.
Another fissure, the 16th, was reported earlier Saturday and "produced a lava flow that traveled about 250 yards before stalling," officials said.
That vent was about a mile east of the Puna Geothermal Venture plant, where officials removed 60,000 gallons of flammable liquids due to safety concerns.
In addition to the new fissures, USGS officials said an explosive eruption is possible at Halemaumau crater at the top of the Kilauea volcano. Such an eruption could generate ash plumes over an area 12 miles from the summit crater, the HOV said.
Trump signs disaster declaration
President Donald Trump declared a major disaster in Hawaii on Friday. The declaration allows federal assistance to supplement state and local recovery efforts in areas affected by the Kilauea volcanic eruption and earthquake.
Federal funding is available to state, eligible local governments and certain private nonprofit organizations on a cost-sharing basis, the White House said.
The estimated cost to protect residents over the next 30 days is expected to exceed $2.9 million, according to the governor's office.
'They lost everything with the lava'
Aside from evacuations, the Kilauea volcano has had a devastating effect on some residents.
Larry and Geri Butler retired from Seattle to a Leilani Estates home in Hawaii 15 years ago.
The couple was part of the evacuation May 3 and found out May 5, via social media, that their home had been destroyed, their son Christian Butler said.
"They are still pretty shook up, but I think the initial shock is starting to wear off," Butler said. "They lost everything with the lava, and have to start over from scratch. I'm not sure that fact has really sunk in with them yet."
Video captured by island resident John Carter and shared on social media shows the Butlers' home engulfed in flames from the vantage point of the front yard. Another video, filmed in the backyard, shows lava consuming the couple's backyard.
Butler said the video was shared by people who lived in the area, then his parents found out. His parents called him to tell him the news. Butler lives in the Seattle area.
"I'm not able to be with them during all this," he said. "That makes this all that much more frustrating for me, so I am trying to do all I can for them from here."
He calls the home being destroyed a relief, though, because it helps him focus on his parents' future.
Butler said Sunday that seeing the images of his parents' home is "heartbreaking." He also said his parents, in their 70s, were living on retirement income, but luckily have insurance, so starting over will be a "long, long road."
"They're going to be able to recoup from this," he said.
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