Mount Spurr lies about 80 miles west of Anchorage, which is Alaska's most populous city, making it one of the state's most closely watched volcanoes. It last erupted in 1992, spreading ash over ...

Mount Spurr near Anchorage has been showing signs of unrest for a year. Now scientists think it's creeping closer to an ...

Representative Nick Begich said he intervened to block the lease termination for the building housing the Alaska Volcano ...

Consider a can of soda. When the can is closed (pressurized), the soda contains dissolved carbon dioxide (CO2). When you open ...

By the end of the day, about 7 p.m. Pacific Standard Time, data from 16 crystals was collected and analyzed. The data, which ...

To time how fast a sprinter runs, you just need a stopwatch. To time how fast magma moves, you need to know a little bit ...

Magnitude-3.4 at 12:46 a.m. March 11 at 10 miles southeast of Pāhala and depth of 20 miles. Magnitude-3.4 at 4:08 p.m. March 10 at 3 miles west of Puakō and depth of 21 miles.

The last time the mountain's peak erupted was likely more than 5,000 years ago, Haney said, so scientists don't expect an eruption there — most likely, the rock between the eruptible magma and ...

From possible impacts to how to prepare, we dive into what we know so far about Anchorage’s closest active volcano and how to ...

Lava spatters inside and flows down the side of the north vent inside Halemaʻumaʻu Crater at the summit of Kīlauea volcano on ...