Photo and Video Chronology - Mauna Loa

Mauna Loa volcano began erupting in Moku‘āweoweo Caldera on November 27, 2022, at approximately 11:30 p.m. By 6:30 a.m. on November 28, the eruption...

Overflight of Mauna Loa summit and rift zones and eruption monitoring overflight of Kīlauea summit.

Photos and videos of the Hawaiian Volcano Observatory response to seismic unrest in American Samoa, recent activity on Kīlauea volcano, and fieldwork...

Recent Sentinel-1 interferogram for the period from June 7 to July 13, 2022, covering the Island of Hawai‘i. 

The Hawaiian Volcano Observatory conducted a geology monitoring overflight of Kīlauea summit on July 19, 2022.

June 13, 2022 — Mauna Loa summit sunset

An early morning view looking north across Moku‘āweoweo, Mauna Loa's summit caldera, from a spot near the summit cabin on the volcano's south caldera...

Video shows Moku‘āweoweo, the caldera at the summit of Mauna Loa, during a routine overflight. 

This timelapse sequence of webcam images over a 24-hour period shows a typical day at the summit of Mauna Loa. 

Routine visit to Mauna Loa summit.

HVO scientists inspect monitoring instruments on Mauna Loa. 

GPS station on Mauna Loa.

On March 14, HVO's webcam [MLcam] captured this image of a double rainbow.

A new HVO webcam provides improved views of Mauna Loa's summit caldera, Moku‘āweoweo, from the northwest rim. 

Lava flows, Pu‘u Pohaku‘ohanalei cone, Moku‘āweoweo's North Pit, Sulphur Cone area, and a video of Mauna Loa's summit caldera.

USGS scientists hiked to the summit of Mauna Loa, where they checked on HVO's monitoring instruments and realigned an antenna that allows webcam...

HVO scientists performed maintenance on the Mauna Loa summit thermal camera and two seismic stations. 

Panorama of the north rim of Mauna Loa's summit caldera; an HVO geologist checks Mauna Loa monitoring equipment.

Mauna Loa earthquake and deformation data between 2010 and September 17, 2015.

Continuous gas-monitoring site in Moku‘āweoweo Caldera, Mauna Loa.