Hawaii's Mauna Loa, the world's largest active volcano, has started to erupt for the first time in nearly four decades, prompting volcanic ash and debris to fall nearby.

March 27 marks the anniversary of the onset of Mauna Loa’s dramatic 1868 eruption, when lava flows from the Southwest Rift Zone severely impacted the Ka‘u district. However, this may not have ...

Scientists can't know precisely when a volcano is about to erupt, but they can sometimes ... About two months before Mauna ...

Scientists and concerned residents living in the vicinity of Hawaii's Mauna ... Loa on Monday, but officials with the Hawaiian Volcano Observatory insist that nearby communities are currently not ...

NOAA, the nation’s leading climate science agency, may lose dozens of offices, including one that is key to the Mauna Loa Observatory ... a matter of policy, we do not respond to reporters ...