News

Last week, a swarm of earthquakes happened below Long Valley's Mammoth Mountain, lasting a little over 12 hours. How do we decide whether or not it's...

The Stanley earthquake rattled Idaho in 2020.  Geologists have spent the past four years learning more about the fault that caused the quake—including...

The USGS Hawaiian Volcano Observatory (HVO) keeps its eyes on active volcanoes in many ways.  While old fashioned eyes and a notebook are used when...

Norris Geyser Basin is the hottest on-land geyser basin within Yellowstone National Park, with a wide diversity of thermal feature chemistry and...

In December 2022, a team of scientists from Aotearoa New Zealand teamed up with scientists from the USGS Hawaiian Volcano Observatory (HVO) to carry...

To mark the demise of the webcam that provided views of Yellowstone Lake since 2017, let’s take a look back the history of YVO webcams in Yellowstone...

Native Hawaiian oral traditions record a rich history of the changing volcanic landscape in Hawaiʻi. Interweaving cultural knowledge with scientific...

At the tops of many mountains and along numerous roads across the USA are small brass disks called benchmarks.  These survey points are critical for...

Geologists from the Yellowstone Volcano Observatory are often asked to estimate how likely future eruptions are at Yellowstone, but it’s no walk in...

In this third edition of "Eruptions of Hawaiian Volcanoes—Past, Present, and Future," we include information about Kīlauea’s 2018 eruption in the...