News

With the one-year anniversary of the onset of Kīlauea Volcano's 2018 lower East Rift Zone eruption upon us, USGS Hawaiian Volcano Observatory (HVO)...

May 3, 2019, marks the one-year anniversary of the start of Kīlauea Volcano's 2018 lower East Rift Zone eruption. Over the past year, USGS Hawaiian...

When a major geologic event occurs, scientists who study such events and the people who are directly or indirectly impacted by it seek to understand...

In February 2019, the USGS Hawaiian Volcano Observatory (HVO) released a preliminary map of lava flow thicknesses for Kīlauea Volcano's 2018 lower...

Volcano Watch: Probing volcanic air pollution

The end of Kīlauea's 2018 eruption this past September was accompanied by an enormous decrease in the amount of sulfur dioxide gas (SO2) emitted from...

Scientists watch for changes on and within Kīlauea

Volcano Watch: "New outcrops make good geology"

A good field geologist is an opportunist. Never content with what outcrops are available, she jumps at the chance to see another one, hoping that it...

In February 1924, the surface of the lava lake at Halema‘uma‘u dropped rapidly and disappeared from view. Throughout March and April, the crater floor...