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

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

This image provided by the USGS Hawaiian Volcano Observatory shows a view from a research camera on ... [+] the north rim of the summit caldera of the Mauna Loa volcano, Monday, Nov. 28 ...

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

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

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

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

The Associated Press In this aerial photo released by the U.S. Geological Survey, the Mauna Loa volcano is seen erupting from vents on the Northeast Rift Zone on the Big Island of Hawaii on Monday.

Some Hawaii Island residents felt a jolt early Tuesday morning because of an earthquake just outside of Pahala. The ...

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

COURTESY USGS This map shows the location of a 4.8 magnitude earthquake on Hawaii island early Tuesday morning. A magnitude 4.8 earthquake shook the southeastern flank of Mauna Loa volcano on ...

COURTESY USGS This map shows the location of a 4.8 magnitude earthquake on Hawaii island early Tuesday morning. A magnitude 4.8 earthquake shook the southeastern flank of Mauna Loa volcano on Hawaii ...