Famous Alaskan volcano sees seismic unrest after more than 30 years of dormancy

ANCHORAGE, Alaska – One Alaska The volcano, which hasn’t erupted in more than 30 years, is showing some increasing signs of seismic life, but volcanologists still say that doesn’t mean an eruption is imminent.

few small earthquakes It was spotted last week near Mount Spurr, Activating the Alaska Volcano Observatory (AVO) to raise volcano‘s alert level has been increased from basic green to “yellow”.

However, there are no signs of an explosion so far.

“AVO continues to closely monitor activity at Mount Spurr for signals that indicate the volcano is approaching eruption,” AVO said in its update on Thursday. he wrote.

Scientists say that increased activity in earthquakes before previous eruptions occurred around the summit lake as ground deformation and magma approached the surface.

A lava dome evaporates on the north side of Mount Redoubt in Lake Clark National Park and Preserve, Alaska, Thursday, June 21, 2012.

“Therefore, if an explosion occurs, it is likely that this will proceed with additional signals that will allow advance warning,” AVO said. he said.

Mt. Spurr is 75 miles west of the city. Anchorage and it finally exploded here Summer According to AVO, the 1992 eruption marked the end of the previous 39-year dormancy. This explosion brought with it many warnings.

Volcanologists use a variety of tools, such as seismometers and webcams. lightening Networks and satellite data to keep a close eye on the volcano.