Volcano Watch

February 28, 2020, marks the 65th anniversary of Kīlauea Volcano's 1955 lower East Rift Zone (LERZ) eruption. In recognition of this historic event...

The origin(s) of volcanic ash deposits on the Island of Hawai‘i have been an enigma, especially those found on and between Kīlauea and Mauna Loa. We...

Portulaca sclerocarpa (also known as ‘Ihi mākole) is a critically endangered small succulent plant in the purslane family (Portulacaceae). It only...

Continuing with the Volcano Awareness Month theme of people and their work at the USGS Hawaiian Volcano Observatory, we move on to another role at HVO...

When I was seven years old, I won my county's earthquake safety poster contest. I remember going to a special award luncheon with the mayor, who...

As many residents of the Island of Hawai‘i can attest, volcanic gases can stink—literally. But for those of us at the USGS Hawaiian Volcano...

Since the Hawaiian Volcano Observatory (HVO) was founded by the visionary Dr. Thomas A. Jaggar in 1912, a senior scientist has been responsible for...

The USGS Hawaiian Volcano Observatory (HVO) is responsible for monitoring active volcanoes in Hawaii, which involves assessing hazards and...

The Halema‘uma‘u crater lake at the summit of Kīlauea Volcano is on everyone's mind at the USGS Hawaiian Volcano Observatory (HVO).

Kīlauea Volcano attracts researchers from all over the world.