The U.S. Geological Survey said lava fountains from a fissure in the volcano reached as high as 180 feet on Saturday night into Sunday, pushing flows of molten rock into the ocean.
"Seismic activity at the crater continues with gas explosions and ash eruptions under 10,000 feet. While the eruption is never predictable, conditions appear stable for the moment," Richard Rapoza, a spokesman for Hawaii Emergency Management Agency, said in an email.
The eruption, which entered its 40th day on Monday, stands as the most destructive in the United States since at least the violent 1980 eruption of Mount St. Helens in Washington state that reduced hundreds of square miles to wasteland and killed nearly 60 people, according to geologist Scott Rowland, a volcanologist at the University of Hawaii at Manoa.
No one has died in this Hawaii eruption but some 600 homes have been swallowed by lava flows from Kilauea since May 3, Hawaii County Mayor Harry Kim said last week.
Aerial images in the video below show rivers of lava flowing the Kilauea Volcano on Monday.