Mauna Loa last erupted in 1984. Its smaller, more active neighbor, Kilauea volcano, has been erupting continuously for more than a year since September 2021.

The Mauna Loa volcano erupted for the first time in nearly 40 years over the weekend, attracting onlookers and prompting the governor to issue an emergency proclamation.

About two months before Mauna Loa spewed rivers of glowing orange molten lava, geologists detected small earthquakes nearby and other warning signs. Now a study of the volcano's lava confirms ...

Hawaii's Mauna Loa, the world's largest active volcano, started erupting Sunday night and lava was flowing from its summit by Monday morning, the U.S. Geological Survey said. The lava wasn't ...

Hawaii's Mauna Loa is the largest active volcano in the world. But how was it formed?

Hawaii's Mauna Loa continued to erupt on Tuesday, at one point spewing lava up to 200 feet into the air. The volcano last erupted nearly four decades ago.

Topline Mauna Loa, the world’s largest active volcano, started erupting for the first time in nearly 40 years late Sunday night, spreading a lava stream down Hawaii’s Big Island and spreading ...

The rare sight of two neighboring volcanoes erupting simultaneously became even more astounding Tuesday as new lava flows gushed down slopes on Hawaii’s Big Island.

Mauna Loa erupts in Hawaii: World's biggest active volcano was dormant 38 years The mountain, which is taller than Mount Everest measured from seafloor to summit, erupted Sunday. Its lava appears ...

Hawaii's Mauna Loa volcano is shorter than the world's tallest volcanoes by elevation, but it extends thousands of feet below sea level.

Still, there seems to be enough evidence that some sort of collapse occurred at Mauna Loa’s summit in 1868, which remains notable as the only such event in the volcano’s documented history.

Mauna Loa, one of the world's largest active volcanoes, is erupting for the first time in 38 years on Hawaii's Big Island.