News

During the past 148 years, Mauna Loa Southwest Rift Zone eruptions have sent massive lava flows across Hawai‘i Island's main road six times: in 1868...

Island of Hawai‘i residents, especially those living in South Kona and Ka‘ū Districts, which are at particular risk from Mauna Loa's Southwest Rift...

Views of Pu‘u ‘Ō‘ō and its recent breakouts

Lava continues to flow into the ocean

Two Pu‘u ‘Ō‘ō lava flows continue; activity focused near vent

Mosquitoes have been on the minds of Hawai‘i Island residents and visitors due to the recent outbreak of dengue fever. On February 12, 2016, Hawaii...

Summit lake level has dropped slightly; typical spattering activity

Pu‘u ‘Ō‘ō breakouts continue, but no significant advancement

Two new breakouts at Pu‘u ‘Ō‘ō, but new flows remain close to cone

Mauna Loa's renewed activity, especially the recent earthquake and deformation changes, has HVO scientists polishing old keys while developing new...