Yellowstone National Park, renowned for its geothermal features and volcanic history, is beginning to show signs of renewed activity after remaining inactive for approximately 160,000 years. Recent ...

The Moon has long been treated as a geologically dead world, a frozen relic that finished erupting billions of years ago. A wave of new data is now challenging that assumption, pointing instead to a ...

When you think of the United States, images of sprawling cities and vast landscapes might come to mind, but not the hidden and ever-present geological threat: volcanoes. While you might associate ...

Since 2000, specialists at the National Museum of Natural History have produced the world’s foremost report on active volcanoes Sally Sennert Did you know that there are between 40 and 50 volcanoes ...

The explosion was so significant that tephra, a general term for fragments of volcanic rock, was reported falling across the park and in nearby communities. Some of the tephra measured up to five ...

Volcanic activity and hydroclimatic anomalies. Eruptions produce a repeating wave pattern in high-altitude winds (left panels) that line up with ...

The 1980 eruption cycle made Mount St. Helens one of the most famous and now best-monitored volcanoes in the Cascades. But it is far from the only volcano in the range. From southern British Columbia ...

The major impact of volcanoes on Oregon’s geology and culture is explored in detail in the original new exhibition, “Under Pressure: A Volcanic Exploration,” opening Saturday at the High Desert Museum ...

The Hawaiian Volcano Observatory is part of the U.S. Geological Survey, the science agency of the U.S. Department of Interior. Our job is to obtain and share science-based information about the ...