Anchorage, AK – Scientists say a U.S. volcano that has been quiet for decades could erupt within the next month. Increased seismic activity, gas emissions, and ground deformation suggest magma is rising beneath the surface.
According to the Alaska Volcano Observatory (AVO), Mount Spurr, last active in 1992, is showing signs of unrest. Overflights detected a sharp increase in sulfur dioxide and carbon dioxide emissions, along with reactivated fumaroles at the Crater Peak vent. More than 100 earthquakes per week have been recorded beneath the volcano.
Experts believe an eruption would likely be explosive, producing ash clouds that could travel hundreds of miles. Previous eruptions in 1953 and 1992 lasted several hours and caused minor ashfall in southcentral Alaska. Pyroclastic flows and mudflows could impact surrounding areas.
AVO continues to monitor the volcano and warns that further increases in seismic activity or gas emissions may signal an imminent eruption. If the threat level rises, officials will issue updated alerts.
While scientists cannot predict the exact timing, they advise residents and pilots in the region to stay informed. Preparedness measures could be crucial in minimizing disruption if an eruption occurs.
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