News

Kīlauea volcano is erupting again. Wednesday afternoon, lava returned to Kīlauea's summit within Hawaiʻi Volcanoes National Park after a 4-month...

A new eruption at Kīlauea's summit began at approximately 3:20 p.m. HST on September 29, 2021. Lava activity is currently confined to Halema'uma'u...

A new eruption at Kīlauea's summit began at approximately 3:20 p.m. HST on September 29, 2021. Lava activity is currently confined within Halema'uma'u...

A new eruption at Kīlauea's summit began at approximately 3:20 p.m. HST on September 29, 2021. Lava activity is currently confined within Halema'uma'u...

HVO Kilauea RED/WARNING - ORANGE/WATCH status change to RED/WARNING.Kīlauea is erupting. Eruption has commenced within Halemaʻumaʻu crater in Kīlauea...

Kīlauea volcano is not erupting. Increased earthquake activity and changes in the patterns of ground deformation at Kīlauea’s summit began occurring...

HVO field crews—equipped with specialized safety gear—conduct station maintenance, collect water samples, and monitor for new changes from within the...

In August 2021, YVO scientists collected sediment cores from the floor of Yellowstone Lake. Analysis of the sediment composition, as well as the...

The Pacific is home to dozens of active volcanic systems including the massive Hawaiian shield volcanoes Kīlauea and Mauna Loa. Most basaltic shield...

Locating earthquakes in Yellowstone is a time-intensive process that requires the trained eye and extensive experience of a human analyst. But...