A dormant volcano is a volcano that is not currently erupting but is not extinct either. This typically means it still has ...

In the Pacific Northwest, a surge of seismic activity has pushed one underwater volcano into what researchers describe as a very high likelihood of eruption, with some models putting the odds near 95 ...

Mount Rainier looks serene—snow-capped, peaceful, postcard-perfect—but it hides one of the deadliest geological threats in North America. Beneath its glaciers lies enough unstable ice, rock, and ...

Recent major volcanic eruptions in Indonesia and Ethiopia have sparked questions about increasing activity. However, experts ...

According to the new paper, Mount Rainier’s highest point is a fraction of an inch below 14,400 feet, or 10 feet below the U.S. Geological Survey’s longstanding official measurement of 14,410 feet.