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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...

Drilling is often suggested as a means of preventing Yellowstone from erupting. It seems like a reasonable idea, but the volcano doesn’t work that way...

Communities on the Island of Hawai‘i continue to recover from Kīlauea’s 2018 lower East Rift Zone eruption and summit collapse as does the USGS...

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...

Volcanism in the Yellowstone region has generated a lot of ash over the last several million years.  Rivers, including the ancestral Missouri River...

The ongoing eruption at Kīlauea's summit began at 3:21 p.m. HST on September 29, 2021. Lava activity is currently confined within Halema'uma'u crater...

The electronics workshop at the USGS Hawaiian Volcano Observatory (HVO) buzzes with creative activity. 

The ongoing eruption at Kīlauea's summit began at 3:21 p.m. HST on September 29, 2021. Lava activity is currently confined within Halema'uma'u crater...

Yellowstone’s thermal waters are more than just hot—they also contain a variety of elements, some of which are potentially toxic!  Arsenic is an...