A striking new aerial video shows Hawaii’s giant Mauna Loa volcano spewing huge streams of lava. The world’s largest active volcano began erupting for the first time in nearly 40 years on Sunday.

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.

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 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.

Mauna Loa has erupted 33 times since 1843, according to the USGS. It last erupted in 1984, when lava spilled down its slopes and came within 4.5 miles of Hilo.

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, the world’s ...

Mauna Loa is one of 15 volcanoes located in the eight main Hawaiian islands. It makes up roughly 51% of the island of Hawaii, according to the U.S. National Park Service.

Hawai’i Volcanoes National Park, which calls Mauna Loa the largest active volcano in the world, has an elevation above the sea floor of about 33,500 feet – with about 19,700 feet of its total ...

Scientists have observed two new lava flows out of the Mauna Loa volcano on Hawaii's Big Island -- the largest active volcano in the world. The lava is flowing north out of Fissure 3 in the ...

Events at Mauna Loa’s summit leading up to and during the rift zone eruption are not well understood. In this period of the 19th century, visits to the summit region were rare, ...

The world's largest active volcano, Mauna Loa on Hawaii's Big Island, has started to erupt for the first time since March to April 1984, ending its longest known quiet period ever.