An increase in the number of earthquakes under a volcano near Alaska’s largest city this year has geologists paying attention. Mount Spurr, about 80 miles northwest of Anchorage, last erupted in 1992, spewing an ash cloud nearly 12 miles into …
The Alaska Volcano Observatory is keeping watch on a remote volcano that’s showing signs of erupting. The observatory this week increased the alert level from “advisory” to “watch” at Semisopochnoi (SEM-ee-sah-POTCH-noy) in the Aleutian Islands. The volcano is on an …
The warning level for a remote Alaska volcano has been raised after a new lava dome began forming, indicating the mountain could explode and send up an ash cloud that could threaten aircraft. The Alaska Volcano Observatory on Tuesday elevated …
