5 days ago · 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.

Mount Spurr, the highest volcano of the Aleutian Arc, is a large stratocone constructed at the center of a roughly 5-kilometer-wide (3.1 mi) horseshoe-shaped caldera that is open to the south. The volcano lies 81 miles (130 km) west of Anchorage and northeast of Chakachamna Lake.

3 days ago · Mount Spurr in Alaska is showing signs of unrest. The volcano may be gearing up to erupt. Scientists have recorded hundreds of small earthquakes underneath the volcano's surface over the last 10 ...

Feb 6, 2025 · A map of Mount Spurr, Alaska, showing monitoring stations operated by the Alaska Volcano Observatory and hypocenters of earthquakes that occurred from January 1, 2024 through February 6, 2025. Mount Spurr is about 75 miles (120 km) west of Anchorage.

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/ ...

Mount Spurr is a prominent member of the Cook Inlet volcanoes and is clearly visible from Anchorage on sunny days. The dramatic edifice is made up of several volcanic features.

6 days ago · Mount Spurr, an 11,070-foot-tall stratovolcano roughly 75 miles from Anchorage, has been experiencing earthquakes since last April—a phenomenon that researchers call “volcanic unrest.”

Feb 8, 2025 · Mount Spurr’s summit crater is seen from the air on March 7, 2023. Escaping gas from one of the volcano’s main fumarole and a dry crater floor can be seen. (Taryn Lopez/Alaska Volcano Observatory)

Feb 11, 2025 · For humans, the main impact of Mount Spurr's eruption would likely be ash. In 1992, the eruption at Crater Peak shut down Anchorage's airport and dusted the city with 0.1 inches (3 millimeters) of ...

Oct 17, 2024 · The statement adds that increased seismic activity on Mount Spurr has resulted in the development of a small lake in the summit crater.