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.
A test delivery van, followed by another EV riding shotgun
We often see test vehicles roaming our roads in the winter, although these stood out more than most. The first time I saw them, there was an entire convoy in line, but since then it’s been mostly in small groups.
Amazon is in Fairbanks testing their new EV delivery vans. This is probably not the winter to give an EV a thorough cold weather test, as it has been one of the milder winters I have experienced. Still, Amazon is having a go at it, and it should be a good test for how they handle on icy roads.
If you rear end one of these vans, you are spending way too much time on your cell phone.
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.
The Federal Government has designated the Chilkoot as a national historic trail. Gaining fame during the Klondike Goldrush, the Chilkoot was a major thoroughfare into the interior of the Yukon and Alaska. Prior to that, the trail was a major route for the Native population for a millennia.
The Chilkoot: Alaska to Canada
Currently, the Chilkoot is closed due to major trail damage from flooding this past autumn. A series of atmospheric rivers pummeled the area, The Taiya River reached flood stage on five different occasions during a two month period last fall, eroding banks and dislodging bridges along a large section of the trail, that follows the river.
There is hope that the trail will be open at some point this summer. The complete trail to Bennett Lake has not been open due to Canadian restrictions since the start of the Corvid pandemic. There is also hope that those restrictions will also be lifted for the upcoming hiking season.
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.
