It was not immediately known if there were any wider threats.
HVO acting Scientist-in-Charge David Phillips said the observatory is closely monitor the volcano.
Photos of the eruption that were shared on verified social media accounts for Hawaii Volcanoes National Park showed a bright orange glow with thick smoke rising into the sky.
Officials say the eruption began around 9:30 p.m.
By 1 a.m., USGS officials reported lava fountains that shot about 165 feet into the sky were feeding a growing lava lake within the crater. They said a fissure in the north west wall of the crater was highly active. The lake replaced the water that was once seen in the deepest part of the crater.