The U.S. Coast Guard shared new aerial footage of the lava flow from the summit of Mauna Loa, the world’s largest active volcano on Hawaii’s Big Island since it first started to erupt Sunday night. In ...

Elevated seismic activity has caused Hawai’i Volcanoes National Park to close the Mauna Loa summit backcountry until further notice, the park announced this week. Covering half of the Island of ...

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 been the ...

Hawaii’s Mauna Loa, the largest active volcano on Earth, has erupted for the first time in nearly four decades. According to the National Weather Service (NWS), the eruption on the state’s Big Island ...

A view of the two observatories on the slopes of Mauna Loa. There is a gate blocking public access, but some visitors go around it. Select an option below to continue reading this premium story.

Three deposits from explosive eruptions at the summit of Mauna Loa are located west, northwest, and east of Moku‘aweoweo, the volcano’s summit caldera. In map view, these deposits are fan-shaped.

Hawai’i Volcanoes National Park officials have closed the Mauna Loa summit backcountry because of increased seismic activity but say an eruption is not imminent. HVNP today announced the closure of ...

The Mauna Loa summit at Hawaii Volcanoes National Park is closed until further notice due to the volcano "experiencing heightened unrest," according to an advisory posted by the Hawaiian Volcano ...

The summit of the world’s largest active volcano will no longer be receiving visitors for the time being due to “heightened unrest” — more specifically, dozens of daily earthquakes. “As a ...