
After lying dormant for decades, unrest is now being detected at Alaska’s 11,070-foot Mount Spurr, just 81 miles west of Anchorage. The high stratovolcano was once neglected under its snowy crown, but it is now gaining close monitoring. The scientists have warned that there might be an eruption or even an imminent eruption dangerous for the nearby communities.
During the past year, Mount Spurr has registered more than 3,400 earthquakes, with over 100 tremors per week felt between February and March. The AVO warns that these seismic events signify magma is rising underneath the volcano. Increased activity sets off alarms of a potential eruption.
The effects of the 1992 triple eruption of Mount Spurr were traumatic for residents, as it caused ash clouds to cover Anchorage for days, flights were halted, and health emergencies were declared. The volcano’s history of explosive eruptions sets an even greater urgency to deal with today’s growing unrest. Experts say that past eruptions show it is capable of major regional disruptions.
Uncertainty looms over Alaskans as they stock up on masks, goggles, and air purifiers. With emergency kits already set up, anxious residents look for any signs of eruption. The tension is palpable as it is a wait-and-see situation.
Concerns Raised by a Surge of Earthquakes
Thousands of earthquakes over the past year at Mount Spurr have scientists on heightened alert. The AVO states that such continued seismic activity is indicative of magma movement beneath the surface, with such behavior often resulting in the eruption of volcanoes, which has raised an alarm bell.
This continues shaking of Mount Spurr-tells a story of pressure that deepens underground. Earthquakes are different in strength and also at different depths, marking the position of magma though it forces its way upward, creating fractures in the earth’s crust. This very unsettling pattern is reminiscent of the seismic pattern that occurred immediately before the violent eruptions of the volcano in 1991.
Currently, the alert status remains at “Yellow” (Advisory), and scientists are doing everything possible not to take chances. For example, a network of seismometers is employed to track all movements of the ground, while the vicinity of the slopes of the volcano is scanned by satellites looking for minute deformations. Sensors have now recorded new, increasing sulfur dioxide emissions, a major sign that molten rock is approaching the surface. This raises the question: When will the Mt Spurr mountain erupt? Will Alaska be prepared for it, or not?

The Mount Spurr 1992 eruption exploded ash over 12 miles high, interrupted air travel, and showered ashes on Anchorage. Churning earthquakes suggest it may be getting ready for more activity. Experts say that such pre-eruption seismic activity is ominously familiar from three decades past.


