Hawaii’s Kilauea, one of the world’s most active volcanos, fired out partially molten “lava bombs” from its vents and lava fountains up to 262 feet.

One of the world's most active volcanoes spewed lava into the air for a second straight day on Tuesday. The eruption of Kilauea volcano on Hawaii's Big Island has stayed within the mountain's summit caldera inside Hawaii Volcanoes National Park.

Hawai'i's Kīlauea volcano on the Big Island erupted on Monday morning, prompting the U.S. Geological Survey (USGS) to issue a warning as it noted lava fountains spewed up to 262 feet. The big picture: Researchers are monitoring air quality as Kīlauea, one of the world's most active volcanoes, erupts.