Scientists can’t know precisely when a volcano is about to erupt, but they can sometimes pick up telltale warning signs.

An analysis of crystals in lava from the 2022 eruption of Mauna Loa has revealed an unknown magma reservoir within the ...

That happened two years ago with the world’s largest active volcano. About two months before Mauna Loa spewed rivers of ...

(USGS Hawaiian Volcano Observatory via AP) Update: On Monday, the eruption moved into Mauna Loa’s Northeast Rift Zone and several fissures erupted with fountains of lava, sending flows running ...

Officials told residents to be ready to evacuate if lava flows start heading toward populated areas. Many now living in the area weren’t around when Mauna Loa last erupted 38 years ago.

Mauna Loa was still erupting Thursday morning, but the lava that was feeding the flow heading toward the crucial road has been cut off, likely because of a reduced production rate, said David ...

Video: Coming in hot! Mauna Loa's lava oozes within 2.5 miles of traffic on the Big Island - at a rate 40 feet per hour Hawaii's Mauna Loa spews lava and smoke in spectacular fashion into the night.

The world's biggest active volcano spans approximately 2,000 square miles and ascends about 13,600 feet above sea level - and ...

The project is expected to start late next year. Plans are to keep Mauna Loa Road’s historic width and scenic alignment ...

During the volcano’s 13-day eruption, the river of lava it produced covered about 1.2 miles of the Mauna Loa Observatory Access Road at two locations. Since then researchers have been only able ...

Tiltmeters are a crucial component of the volcanic monitoring network in Hawaii. By detecting subtle changes in ground ...

About two months before Mauna Loa spewed rivers of glowing orange molten lava, geologists detected small earthquakes nearby ...