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 …

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 …

2025年3月23日 · Alaska’s Mount Spurr volcano continues to show signs of unrest, and that has led to an alert level increase in the city of Anchorage as fears of an impending eruption grow.

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 …

2025年3月12日 · What is Mount Spurr? It is an 11,070-foot (3,374-meter) tall, ice- and snow-covered volcano roughly 80 miles (129 kilometers) northwest of Anchorage. Mount Spurr is …

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 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 …

3 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 …