News

Scientists study many different natural processes to understand what is happing just out of our view inside a volcano. There has been a lot of...

An earthquake swarm that started at Mount Rainier on July 8, 2025, is the largest ever recorded at the volcano.

The USGS David A. Johnston Cascades Volcano Observatory will be hosting an Open House for the public on May 10, 2025! 

Increased rates of seismicity are likely as a private exploration company conducts geothermal work at Newberry volcano. The project is not expected to...

At the Cascades Volcano Observatory, staff use technical skills and creativity to solve complex problems and innovate for the future. David uses...

At the Cascades Volcano Observatory, staff use technical skills and creativity to solve complex problems and innovate for the future. Alex Iezzi uses...

Volcanoes tend to have seismicity that waxes and wanes over time. That’s considered normal and not necessarily a cause for concern. Let’s check in on...

At the Cascades Volcano Observatory, staff use technical skills and creativity to solve complex problems and innovate for the future. Wes Thelen is...

At the Cascades Volcano Observatory, staff use technical skills and creativity to solve complex problems and innovate for the future. Maciej’s...

At the Cascades Volcano Observatory, staff use technical skills and creativity to solve complex problems and innovate for the future. Erin personifies...