News
Volcanism on the other side of the world from the Yellowstone Caldera
5+ day, 3+ hour ago (479+ words) Volcanism on the other side of the world from the Yellowstone Caldera'USGS (.gov) Official websites use .gov Secure .gov websites use HTTPS Volcanism on the other side of the world from the Yellowstone Caldera The location on the other side…...
Google Earth map showing the location of Yellowstone Caldera’s antipode
2+ week, 3+ day ago (66+ words) Google Earth map showing the location of Yellowstone Caldera's antipode'USGS (.gov) Official websites use .gov Secure .gov websites use HTTPS Google Earth map showing the location of Yellowstone Caldera's antipode Google Earth map showing the location of Yellowstone Caldera's antipode,…...
Echinus Geyser is back in action! For now…
1+ mon, 1+ day ago (447+ words) The world's largest acidic geyser is located in Norris Geyser Basin." Lately, it's been putting on quite a show. Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is…...
Satellite mapping of thermal ground at Secret Valley Hot Springs, Yellowstone National Park
1+ mon, 1+ week ago (155+ words) (a) NAIP (National Agriculture Imagery Program) natural-color aerial photograph of Secret Valley Hot Springs, in the backcountry between Norris Geyser Basin and Madison Junction, from September 25, 2015, showing snow-free zone mapping based on snowy wintertime imagery from multiple years. The mapped boundaries…...
Yellowstone’s Wahb Springs and Death Gulch—unusual features with unusual names
1+ mon, 1+ week ago (195+ words) In the northeast part of Yellowstone National Park there is a thermal area with a strange composition." And even stranger names. Yellowstone Caldera"Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's…...
Yellowstone earthquakes that are related to ground deformation
2+ mon, 1+ day ago (187+ words) We know that Yellowstone is an active volcanic system due to the high rate of seismicity and the active ground deformation." What happens when those two things are happening simultaneously, like they are right now? Yellowstone Caldera Chronicles is a…...
How many eruptions has Yellowstone had?
2+ mon, 2+ week ago (502+ words) How many eruptions has Yellowstone had?USGS (.gov) Official websites use .gov Secure .gov websites use HTTPS How many eruptions has Yellowstone had? When trying to understand the behavior of a volcanic system like Yellowstone and the likelihood it will…...
Deformation and seismicity during 2024-2025 associated with Norris Uplift Anomaly, Yellowstone National Park
2+ mon, 3+ week ago (347+ words) Map of horizontal velocities between July and December 2025 at Global Positioning System (GPS) stations P711 and NRWY (arrows and yellow circles; arrow length gives displacement rate) in the area between Norris Geyser Basin and Madison Junction. Dashed black line indicates boundary…...
Idaho’s forgotten eruptions—the Challis volcanics
3+ mon, 5+ day ago (189+ words) Although the Yellowstone hotspot burned a swath of volcanic chaos across southern Idaho during the past 17 million years, it was an earlier period of volcanism, unrelated to Yellowstone, that shaped the geology of central Idaho. Yellowstone Caldera Chronicles is a…...