Mount Spurr has gotten restless before without erupting. For example, in 2004 and 2005, the volcano saw an increase in earthquakes, but it had quietened down by 2006, Haney said.

A seismologist from Seattle discussed recent volcanic activity across the United States. Here's what you should know.

Mount Spurr erupted once in 1953 and three times in 1992, according to the observatory. Both years saw eruptions at the Crater Peak vent, located two miles south of the volcano’s summit ...

A swarm of more than 100 shallow earthquakes at Alaska's Mount Spurr that began Sunday night and ran to Monday morning suggest the volcano could be moving closer to an eruption. "It's about a 50/50 ...

Recent volcanic activity across the Pacific Ring of Fire has raised alarms among scientists and volcanologists, with several volcanoes experiencing heightened eruptions and seismic tremors. The Ring ...

Mount Spurr is one of 53 volcanoes in Alaska that have been active in the past 250 years. Though the main summit vent has remained dormant for over 5,000 years, its Crater Peak vent has erupted ...

Mount Spurr is monitored constantly due to its proximity to Anchorage, the most populated city in Alaska, Haney said. There are 11 remote seismic stations situated around Mount Spurr.

Mount Spurr, located about 75 miles West of Anchorage, has been acting up in recent weeks, prompting officials at the U.S. Geological Survey and Alaska Volcano Observatory to issue a yellow alert.

The last time Mount Spurr erupted it sent dangerous volcanic ash raining down on the city of Anchorage. Stay up to date with notifications from The Independent.

Mount Spurr erupted once in 1953 and three times in 1992, according to the observatory. Both years saw eruptions at the Crater Peak vent, located two miles south of the volcano’s summit.

By Maria Aguilar Prieto, CNN (CNN) — A volcano near Alaska’s most populous city could be on the brink of eruption after showing signs of unrest over the past 10 months, according to experts ...