When magma moves into the rift zone of a Hawaiian volcano, there is understandably a lot of excitement and apprehension. How ...

The collapse volume at the summit nearly matched the effused lava volume on the rift zone. In this regard, 1868 was a little ...

Visitors come from around the world to marvel at its explosive displays. The largest of the state's six active volcanoes is Mauna Loa, which is also on the Big Island and erupted in 2022.

Kilauea is one of five active volcanoes in Hawaii. The largest is Mauna Loa, which is also on the Big Island and which erupted in 2022.

The largest of the state's six active volcanoes is Mauna Loa, which is also on the Big Island and erupted in 2022. This photo provided by Janice Wei shows Candi Hololio Johnson, left, and Kim ...

Still, there seems to be enough evidence that some sort of collapse occurred at Mauna Loa’s summit in 1868, which remains notable as the only such event in the volcano’s documented history.

Kilauea and Mauna Loa each have two major rift zones that radiate away from the volcano summits, and rift zone eruptions are common. Mauna Loa’s 2022 eruption, and Kilauea’s 1983–2018 Pu‘u ...

The largest of the state's six active volcanoes is Mauna Loa, which is also on the Big Island and erupted in 2022. Hawaii's Kilauea volcano shot lava as high as 1,000 feet into the air during its ...

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 ...