3+ week, 10+ hour ago   (200+ words) Yellowstone National Park is rightly famous for spectacular geysers. It also has hot springs that create thumps you can hear and feel! Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This…...

1+ mon, 4+ day ago   (260+ words) Although earthquakes present a major geologic hazard for humans, they may be key in the long-term survival of subsurface microbial communities. Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's…...

1+ mon, 1+ week ago   (158+ words) In response to the June 13, 2026, hydrothermal explosion at Biscuit Basin, a new camera was installed to track activity over a broader area than had previously been possible. Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of…...

2+ mon, 1+ week ago   (200+ words) USGS (.gov) Official websites use.gov Secure.gov websites use HTTPS Convening on caldera collapses In February 2025, scientists from around the world met in Hilo, on the flanks of the Mauna Loa and Kīlauea volcanoes, for a scientific conference on…...

2+ mon, 4+ week ago   (325+ words) In the far southwest corner of Lower Geyser Basin is Imperial Geyser—a colorful pool that is also a perpetual spouter. The feature seems to have formed in 1927 and for a time was the most spectacular geyser in Yellowstone National…...

4+ mon, 1+ week ago   (359+ words) Hydrothermal explosions are notoriously hard to predict. But a geological thermometer based on hot spring chemistry might help. Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from…...

4+ mon, 2+ week ago   (212+ words) In a recent study, scientists used several novel methods to measure the volume of water erupted from the iconic Old Faithful Geyser. The average volume of water from 45 eruptions was 27.9 cubic meters (7,370 gallons) but varied from 12.2 to 44.3 cubic meters (3,223 to…...

5+ mon, 2+ week ago   (479+ words) 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 of the world from the Yellowstone Caldera is in the southern…...

5+ mon, 3+ week ago   (66+ words) USGS (.gov) Official websites use.gov Secure.gov websites use HTTPS Google Earth map showing the location of Yellowstone Caldera’s antipode, the Kerguelen Plateau in the southern Indian Ocean, and Heard and McDonald Islands, which host active volcanoes. 1300 SE Cardinal…...

6+ mon, 2+ 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…...