Near-term chances of an eruption at Alaska’s Mount Spurr volcano now considered ‘extremely low’
Signs of volcanic unrest at Mount Spurr have decreased since early 2024, with seismic activity and gas emissions reducing to normal levels, lowering eruption risk significantly, scientists say.
- Officials lowered the alert level for Mount Spurr volcano near Anchorage, Alaska to normal, indicating the volcano is quiet after months of showing signs of activity that raised the possibility of an eruption.
- Small earthquakes continued to occur more frequently than before the period of unrest began in early 2024, and volcanic gases were still being released, which is normal for volcanoes where magma has moved upward but has not erupted.
- The Alaska Volcano Observatory characterized the near-term chances of an eruption as 'extremely low' and said signs of volcanic unrest have been gradually decreasing with no ground deformation detected since March.
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25 Articles
Spurr of the moment: Back to sleep
After more than a year of heightened volcanic activity, the Alaska Volcano Observatory has lowered the aviation color code for Mount Spurr to green and the Volcano Alert Level to normal, signaling that the immediate threat of an eruption has passed. Since early 2024, the volcano about 80 miles west of Anchorage had shown signs of unrest, including […] The post Spurr of the moment: Back to sleep appeared first on Must Read Alaska.
Alaska scientists take Mount Spurr off volcano alert list as eruption risk dwindles
One of two main craters on Alaska’s Mount Spurr, shown in 1991. Earthquake activity suggested the volcano was close to erupting again in 2025. (Photo by R.G. McGimsey/Alaska Volcano Observatory/U.S. Geological Survey, CC BY)Alaska’s volcano experts no longer expect an eruption anytime soon from Mount Spurr, the closest active volcano to Anchorage. On Wednesday, the Alaska Volcano Observatory formally lowered the alert level for Mount Spurr from …

Near-term chances of an eruption at Alaska's Mount Spurr volcano now considered 'extremely low'
Officials have lowered the alert level for a volcano near Alaska’s largest city to normal. The Alaska Volcano Observatory says this indicates that Mount Spurr is "quiet” months after showing signs of activity that had raised the possibility of an eruption.
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