Iliamna Volcano in Alaska 'rumbling' after being inactive for a century
Located roughly 140 miles southwest of Anchorage, Iliamna has been dormant for over a century.
A volcano in Alaska that last erupted in 1867 is displaying signs of rumbling.
Located roughly 140 miles southwest of Anchorage, Iliamna has been dormant for over a century. But on June 15, the Alaska Volcano Observatory detected seismic activity.
Scientists believe the shaking was likely caused by a large avalanche. Iliamna is known for frequent ice and rockslides that cause the mountain to rumble every couple of years.
While not a clear sign of imminent eruption, the event highlights the dynamic nature of this glacier-covered peak, which stands 10,000 feet tall.
As of July 4, Iliamna Volcano's threat level is categorized as "Green/Normal," according to the United States Geological Survey.
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