News

Satellites have become one of the fundamental tools used to monitor active volcanoes. One of the most revolutionary advances has been the use of InSAR...

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

On Saturday, November 5, 2022, the Hawaiian Volcano Observatory will participate in a Kealakekua community discussion about the status of Mauna Loa...

After damaging earthquakes, response and recovery takes place under the threat of aftershocks. USGS aftershock forecasts can help you understand what...

The eruption within Halema‘uma‘u, at Kīlauea's summit, began at approximately 3:20 p.m. on September 29, 2021. 

Feeling occasional earthquakes is part of the experience of living in the State of Hawaii, especially on the Island of Hawai‘i.  The vast majority of...

The eruption within Halema‘uma‘u, at Kīlauea's summit, began at approximately 3:20 p.m. on September 29, 2021. 

The last eruption of Mauna Loa occurred in 1984 and began in a style typical of the volcano. At 10:55 p.m. on March 24, 1984, the rate of earthquakes...