A gigantic bulge in the north rim of the Yellowstone caldera is the latest sign of volcanic activity in the national park. Geologists call this type of bulge “volcanic uplift.” It’s often caused by ...

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 ...

The Taftan volcano in Iran frequently expels gas, but has not erupted. A volcano that has been dormant for hundreds of thousands of years could be gearing up for a massive explosion, according to new ...

Carbon dioxide emissions from rising magma is one of the earliest signs that a volcano is waking up, but measuring it directly is notoriously difficult. Reading time 2 minutes Forecasting volcanic ...

It is widely believed that Earth's atmosphere has been rich in oxygen for about 2.5 billion years due to a relatively rapid increase in microorganisms capable of performing photosynthesis. Researchers ...

The National Volcano Early Warning and Monitoring System, or NVEWS, was first authorized by congress in 2019 to be established within the United States Geological Survey. NVEWS serves as a critical ...

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 ...

California has seven active volcanoes, each with a unique eruption history, categorized by type and threat level. The USGS monitors these volcanoes, providing information to authorities and the public ...

On June 11, the 1,000-plus-foot lava blasts of Kīlauea, one of the world’s most active volcanoes, nearly lured one visitor to his death. A 30-year-old Boston man fell 30 feet from a steep cliff after ...