For decades, scientists believed that magma chambers beneath volcanoes were transient, forming before an eruption and then ...
Cascade Caverns is a 125-million-year-old cave. It’s 65 feet deep and about a mile long, with a constant temperature of 60-63 degrees Fahrenheit. The cave was f ...
A seismic survey challenges the long-standing belief that only active volcanoes have large magma bodies sitting beneath them.