In a worrisome development for residents of Alaska, Mount Spurr, a prominent volcano that rises 11,000 feet above sea level, has been exhibiting alarming signs of potential eruption. Over the past week, the region has experienced a surge of seismic activity, with the Alaska Volcano Observatory (AVO) recording at least 30 minor earthquakes, many of which are occurring in clusters, or 'swarms.' This increased seismicity suggests that magma is moving closer to the surface, causing heightened pressure within the volcanic structure.

Experts from the AVO have warned that should Mount Spurr erupt, it could result in a significantly explosive event, launching ash plumes that could reach heights of up to 50,000 feet. According to Matt Haney, the scientist in charge at the AVO, each explosive episode could last approximately three to four hours. He specifically mentioned that nearby communities, including Anchorage, which is situated just 81 miles from the volcano, could be enveloped in a substantial ash cloud that would disrupt daily life.

In response to this escalating threat, the city of Anchorage, home to a population of over 300,000, has raised its emergency planning to Level 2 as of March 20. This move has prompted officials to enhance their communication with the public and prepare to implement established eruption protocols. Local authorities are advising residents to stock up on essentials such as food, water, pet supplies, and protective gear. Many locals have begun purchasing N95 masks, protective goggles, and even specialized respirators designed for pets, demonstrating the community's proactive approach to potential volcanic fallout.

The situation surrounding Mount Spurr is particularly concerning given its recent history of unrest. The volcano has been showing signs of increased activity since April 2024 when the frequency of earthquakes began to rise. By October 2024, the number of weekly tremors surged from 30 to 125, alongside a significant uptick in gas emissions from the volcanos summit and its side vent, known as Crater Peak. Notably, Crater Peak was the site of Mount Spurr's last eruption in 1992, an event that blanketed Anchorage in ash and forced the shutdown of the citys airport for an extended period of 20 hours.

In addition to the seismic activity, scientists have also detected increased emissions of carbon dioxide and sulfur dioxide, which are critical indicators signaling that magma is heating water and gas deep beneath the surface. This phenomenon is widely considered a precursor to an eruption. Haney expressed his concerns, stating, This time period of unrest will eventually most likely end in an explosive eruption.

Experts believe that if the current pattern of activity continues, the next telltale sign of an impending eruption could manifest as a sustained volcanic tremorcharacterized by a continuous seismic rumble that can last anywhere from mere minutes to several days. Haney indicated that if such tremors are observed, it would be a clear indication that Mount Spurr is progressing towards eruption.

Meanwhile, local businesses are adapting to the potential crisis. For instance, pet store AK Bark in Anchorage has reported an impressive sales spike, having sold over 500 pairs of protective dog goggles in March alone, and already pre-sold nearly 1,800 dog respirators. Residents have taken to social media to share videos of their pets outfitted in full ash protection gear, including goggles, booties, and specially designed clothing.

Although Mount Spurrs summit crater has not erupted in over 5,000 years, Crater Peak has been much more active, with three notable eruptions occurring in 1992. Should another eruption take place, scientists predict it will likely originate from Crater Peak once again, posing similar hazards to Anchorage and surrounding areas.

The National Transportation Safety Board and the U.S. Geological Survey are closely monitoring the situation, providing updates as necessary. According to reports from the Daily Mail, the city has already issued official guidance for residents, particularly pet owners, to prepare for potential disruptions lasting at least two weeks in the event of a significant eruption.