Photo and Video Chronology - Mauna Loa

Hawaiian Volcano Observatory (HVO) geophysicists completed the annual GPS survey of Kīlauea in October 2023. On November 8, 2023, HVO staff fixed the...

The Kīlauea Seismic Imaging Project continues, as does the annual Mauna Loa GPS campaign.

During the week of April 10, the Hawaiian Volcano Observatory upgraded the Hualālai Repeater station and installed a new webcam looking at the...

Fieldwork for the Kīlauea Seismic Imaging Project, which will provide a new detailed view of shallow subsurface structures and the magma system...

HVO Geophysicists perform post-eruption survey of Mauna Loa.

A monitoring overflight of Mauna Loa's Northeast Rift Zone eruption. This morning, there was residual incandescence and no lava movement in the...

A monitoring overflight of Mauna Loa's Northeast Rift Zone and Kīlauea's summit eruption. Both eruptions continue with greatly reduced output.

Mauna Loa's Northeast Rift Zone eruption continues, with reduced vigor. There is a visible gas plume from the erupting fissure fountains and lava...

Mauna Loa's Northeast Rift Zone eruption continues. There is a visible gas plume from the erupting fissure fountains and lava flows.

Mauna Loa's Northeast Rift Zone eruption continues. There is a visible gas plume from the erupting fissure fountains and lava flows.