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

the north rim of the summit caldera of the Mauna Loa volcano, Monday ... residents to be prepared in case it does erupt soon. This map shows the lava flow hazard level zones for the island.

Survey, drilling and soil sampling work is underway on Mauna Loa Road in Hawaiʻi Volcanoes National Park as the initial step ...

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 ...

Mauna Loa Road in Hawai‘i Volcanoes National Park will temporarily close to all use when survey, drilling and soil sampling work starts today. Mauna Loa Road from Highway 11 to Kipuka­puaulu ...

Hawaii island’s Mauna Loa (background), towers over the summit crater of Kilauea volcano in Hawaii Volcanoes National Park on April 25, 2019. A magnitude 5.7 earthquake struck the world’s ...

The Yellowstone Caldera poses a greater risk than Mauna Loa, however, it's not anticipated to erupt for thousands or even tens of thousands of years. The supervolcano, located in Wyoming ...

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

Mauna Loa Road in Hawaii Volcanoes National Park will temporarily close to all use when survey, drilling and soil sampling work starts Monday. Mauna Loa Road from Highway 11 to Kipukapuaulu ...