The last time Mauna Loa erupted was in 1984. Most of the U.S. volcanoes that scientists consider to be active are found in Hawaii, Alaska and the West Coast. Worldwide, around 585 volcanoes are ...

Most of the U.S. volcanoes that scientists consider to be active are found in Hawaii, Alaska and the West Coast. Worldwide, around 585 volcanoes are considered active. Scientists can't predict ...

The last time Mauna Loa erupted was in 1984. Most of the U.S. volcanoes that scientists consider to be active are found in Hawaii, Alaska and the West Coast. Worldwide, around 585 volcanoes are ...

WASHINGTON (AP) — 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 ...