USGS released its most detailed national geologic map, offering layered views of geology beneath the Earth’s surface across the lower 48 states. The Cooperative National Geologic Map integrates data ...

Federal scientists are pushing back against viral claims that “mega eruptions” could strike within days, even as they quietly ...

In ʻŌlelo Hawaiʻi, or the Hawaiian language, we might call them puahiohio, or whirlwinds. In meteorological terms, these small twisters are technically dust devils, or more precisely, ash devils, ...

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 ...

When magma moves into the rift zone of a Hawaiian volcano, there is understandably a lot of excitement and apprehension. How far will the magma go, and will it erupt? But even long after the activity ...

As part of a growing national effort -to understand seafloor hazards, scientists from the United States Geological Survey’s Volcano Science Center are working across agencies to investigate how ...

It was the 38th eruption since the current series began in December 2024. Another spectacular eruption at one of the most active volcanoes in the world has destroyed the live camera volcanologists use ...

Yellowstone National Park sits atop one of Earth's most closely watched volcanic systems. The U.S. Geological Survey documented 52 earthquakes in July 2025 alone. All tremors remain classified as ...

Scientists have recorded the "largest" earthquake swarm at Mount Rainier in Washington state since 2009, the U.S. Geological Survey reported. The swarm at the second-most seismically active volcano in ...