Some volcanoes erupt fairly regularly, like Hawaii’s Kilauea. Then there are volcanoes like Mount Spurr. Located near Anchorage, Alaska, this 11,000-foot volcano is one of the biggest found in the United States. It rarely erupts, but just last year, scientists discovered signs that may be changing soon. In 2024, however, the likelihood of Mount Spurr erupting anytime soon was just as likely to not happen as it was to happen.
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But a lot can change in a year. There’s been an increase in carbon dioxide and sulfur dioxide emissions. Plus, further snow and ice melt indicate that magma is moving just under the surface. In fact, evidence of an impending eruption can be seen from the steam that’s been emitting from the gorgeous summit. Check it out in the video below.
@foxweather New video from Alaska's Mount Spurr volcano shows steam emitting from the summit amid increased unrest. Scientists believe an eruption is possible in the coming weeks or months. #volcano #volcaniceruption #alaska #mountspurr #foxweather ♬ original sound – FOX Weather
Scientists Discover Signs Mount Spurr Will Erupt for the First Time in Over 30 Years
“This time period of unrest will eventually most likely end in an explosive eruption like the ones that happened in 1953 and 1992,” Matt Haney, a scientist at the U.S. Geological Survey shares.
Naturally, that has folks asking: What happened when the volcano erupted before? In 1992, Mount Spurr erupted three times over the course of months. In 1953, however, there was only a single eruption. But in both cases, nearby areas experienced ashfall. The one that took place in the ’90s saw a large cloud over Anchorage, too.
In other words, while precautions will need to be taken for those nearby, this eruption doesn’t seem to be a cause for alarm. Plus, we can expect a bit of a heads-up before an actual eruption. According to Matt, volcanic tremors take place beforehand. Sometimes they last minutes, but they can also last hours or days.
“If we see [tremor],” Matt says, “that will be the next sign that Spurr is further progressing toward an eruption.”
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