There is a cluster of volcanic islands in the Aleutian Chain that scientists have recently been asking a rather provocative question: Could they all be a part of one giant super volcano, similar to the Yellowstone Caldera?
This tight grouping of islands is home to six stratovolcanoes: Carlisle, Cleveland, Herbert, Kagamil, Tana and Uliaga. Mount Cleveland has been one of the most active volcanoes in North America over the past 20 years.
Most stratovolcanoes tend to have modest sized reservoirs of magma. Although that doesn’t mean they can’t have explosive eruptions, but they are dwarfed by caldera forming eruptions. A caldera is formed by tapping a huge reservoir of magma in the earth’s crust. A caldera forming eruption releases a massive amount of lava and ash, and they are catastrophic, often causing world-wide effects.*
Field work continues, although there is nothing easy about doing research in the Aleutians.
Mount Cleveland
Photo and map credit: USGS, *University of Alaska – Fairbanks
It’s the tail end of Volcano Week with the National Park Service. The above photo, of Mount Wrangell, was taken in 1902 by W.C. Mendenhall, of the U. S. Geological Survey. The namesake of Mendenhall Glacier.
Mount Wrangell is a andesitic shield volcano within Wrangell-St Elias National Park. Its last eruption was in 1930, but it has been actively steaming for over 100 years.
The Yukon Quest Sled Dog Race starts on Saturday morning from downtown Fairbanks. The race, 550 miles long, is roughly half the distance from what it was pre-pandemic. Gone is the international flavor of the race, with Alaska and The Yukon going their separate ways.
In addition to the 550, there will also be a 300 mile run and an 80 mile youth mush.
Only time will tell if the race can survive without the international aspect of the Whitehorse – Fairbanks cooperation.
Antiques Roadshow, the most watched show on Public Broadcasting, will visit Alaska for the first time. The show is billed as “part adventure, part history lesson and part treasure hunt”.
Antiques Roadshow will come to Anchorage on July 11, and will tape three episodes to be aired in 2024. The location of filming is still under wraps, and will remain a secret until we get closer to July. Prospective treasure hunters can apply for tickets through the Roadshow website, where a drawing will be held after the deadline of March 13.
I recently saw the documentary, Hockeytown. This very raw film, follows two high school hockey teams in Northern Minnesota during the 2019-2020 season. Two rivals on very separate paths: Eveleth is the iconic Iron Range town, home of the U.S Hockey Hall of Fame. Both the town and the hockey team are long past their prime years. Hermantown is on the rise, gaining both population and championships.
All the pressure, pride, excitement and disappointment in playing Minnesota’s state sport at the high school level is laid out bare in this very well done documentary.
Texas has football; Indiana has basketball; Minnesota has hockey.
