News

It's National Preparedness Month, and USGS geologists are currently reassessing the list of young and threatening volcanoes in California and Nevada...

Long Valley Caldera has been volcanically quiet in recent years, but that doesn’t mean scientists have stopped watching... 

Geology can be a very descriptive science, and sometimes the terms they use are both informative and playful. When lava is extruded underwater, or...

In February 2025, scientists from around the world met in Hilo, on the flanks of the Mauna Loa and Kīlauea volcanoes, for a scientific conference on...

Is it a really overdone fried egg? A pancake? A flower? Nope, it's a volcano!

Humans interact with geology at the macro scale – that is to say, things we can touch and see with the naked eye. But we can also learn a great deal...

Scientists at the California Volcano Observatory often travel far afield to answer volcanic questions, especially when it comes to regions where there...

P.I.E.F.E.S.T. – what’s that?? It stands for Pacific Islanders Encouraging Fun, Engineering, Science, and Technology, and the 5th Annual P.I.E.F.E.S.T...

If you listened to astronauts describing the surface of the Moon during the NASA Artemis II flyby yesterday, you might be interested to learn about...

Why are geologists so picky about rock samples? If you've ever watched one at work, you might notice that some rocks pass inspection, but others get...