News

MultiGAS instruments monitor volcanic gases at the summit

HVO scientists inspect monitoring instruments on Mauna Loa. 

Geologic map of the central-southeast flank of Mauna Loa volcano, Island of Hawaiʻi, Hawaiʻi: USGS Scientific Investigations Map 2932–B 

Digital database of the geologic map of the middle east rift geothermal subzone, Kīlauea Volcano, Hawaiʻi: USGS Data Series 1111 

HVO Scientist-in-Charge Tina Neal talked about the status of Kīlauea and Mauna Loa volcanoes.

In high school physics, we are taught that gravity is a constant—9.8 meters per second squared is the gravitational acceleration on Earth, and it is...

Routine overflight of Kīlauea summit

Volcano Watch: Probing volcanic air pollution

Scientists watch for changes on and within Kīlauea

Yellowstone's thermal areas are the surface expression of the deeper magmatic system, and they are always changing.  Recently, we have discovered...