Lava flows from the eruption of Hawaii's Mauna Loa, the world's largest active volcano, are moving toward a main highway, adding to local worries on an island with few major roadways. The U.S.

Volcano Watch” is a weekly article and activity update written by U.S. Geological Survey Hawaiian Volcano Observatory scientists and affiliates. Today’s article is by Hawaiian Volcano Observatory ...

HONOLULU (AP) — Lava is shooting 100 feet to 200 feet (30 to 60 meters) into the air as Hawaii’s Mauna Loa, the world’s largest active volcano, erupts for the first time in nearly 40 years. For now, ...

WASHINGTON — Scientists can't know precisely when a volcano is about to erupt, but they can sometimes pick up telltale signs. That happened two years ago with the world's largest active volcano. About ...

Lava fountains at the summit of Kilauea have been shining a spotlight on Hawaii’s most active volcano but let us not forget the larger one looming in the background of Kilauea. Mauna Loa is currently ...

The magma that comes out of Mauna Loa comes from a series of magma chambers found between about 1 and 25 miles (2 and 40 km) below the surface. These magma chambers are only temporary storage places ...