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 ...

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

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

Mauna Loa first erupted Sunday around midnight, after several months of seismic unrest that put the island on alert for potential imminent eruption. The volcano last erupted in 1984, when lava flow ...

A magnitude 4.8 earthquake shook the southeastern flank of Mauna Loa volcano on Hawaii island overnight, the U.S. Geological Survey said today.

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

Hawaii’s “Big Island” saw some winter weather at one of its highest points this week, when snowfall blanketed the top of ...

Access to the Mauna Loa Observatory could be restored by April, more than two years after the eruption of its namesake volcano cut it off from the rest of the island. The National Oceanic and ...

The U.S. Geological Survey says it has detected an increase seismic activity around Kamaʻehuakanaloa. The underwater volcano ...

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