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.

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 …

2025年3月23日 · This photo shows the Mount Spurr summit with its crater lake and fumaroles, taken during an overflight of Spurr and Crater Peak on March 17, 2025. (Dane Ketner/Alaska …

Mount Spurr forms the southern buttress of the Tordrillo Range, with an active vent on Crater Peak below the summit. This 11,070-foot volcano last erupted in September of 1992, when it …

2025年3月19日 · Mount Spurr is the tallest volcano in the Aleutian Arc, a batch of several dozen volcanic islands stretching from Southcentral Alaska along the Aleutian Chain to the …

Mount Spurr earthquakes began increasing gradually in April 2024, and the AVO raised its alert level to yellow/advisory in October 2024. In March 2025, signs began pointing to a likely …

During overflights on March 7 and 11, AVO measured significantly elevated volcanic gas emissions from Mount Spurr volcano. Newly reactivated fumaroles (gas vents) were also seen …

2 天之前 · Mount Spurr, located around 80 miles (128 kilometers) west of Anchorage, is the highest volcano in the Aleutian Range, standing at 11,070 feet (3,374 meters) tall. The volcano …

2025年2月6日 · A map of Mount Spurr, Alaska, showing monitoring stations operated by the Alaska Volcano Observatory and hypocenters of earthquakes that occurred from January 1, …

Mount Spurr is the closet active volcano to Anchorage and the Mat-Su Valley, and as of March 2025, scientists are warning all signs point to a possible eruption in "weeks to months." Mount …