News
Linking climate variability to shoreline change in the Pacific Northwest
4+ day, 13+ hour ago (263+ words) Sandy beaches worldwide are constantly shifting, sometimes subtly, sometimes dramatically. Now, new research focused on the U.S. Pacific Northwest coast finds that climate patterns such as El Ni'o and La Ni'a don't just influence beaches seasonally'they shape their year-to-year evolution in…...
Mass Balance Methods: Measuring Glacier Change
4+ day, 13+ hour ago (352+ words) A core section from Kahiltna Glacier at 3,055 m (10,023 feet) on September 30, 2024, showing ice layers in finegrained snow. These "internal accumulation" layers form when water from surface melt percolates into the snowpack and refreezes. Nearly all of Earth's alpine glaciers are…...
Echinus Geyser is back in action! For now…
1+ week, 5+ 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…...
Water Resources - Data & Tools
2+ week, 1+ day ago (403+ words) The USGS Water Resources Mission Area provides water information that is fundamental to our economic well-being, protection of life and property, and effective management of our water resources. Listed below are discrete data releases and datasets produced during our science…...
Satellite mapping of thermal ground at Secret Valley Hot Springs, Yellowstone National Park
2+ week, 4+ day 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
2+ week, 5+ day 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…...
Latest in Landsat - February 2026
3+ week, 4+ day ago (385+ words) Landsat is off and running in 2026 with new agreements, new webpages, and a new Landsat Science Team! Browse through this issue to see how artificial intelligence will enhance Landsat satellite flight operations and data acquisitions, learn new best practices when…...
Ozette Lake: A natural seismograph along the northern Cascadia Subduction Zone (Video)
3+ week, 4+ day ago (208+ words) Ozette Lake, on Washington State's Olympic Peninsula, is the largest unaltered lake in the state. Glacially carved to depths of about 100 meters (328 feet), the lake is just 4.8 kilometers (3 miles) from the present-day Pacific coastline. Its sediments preserve a record of…...
A brief history of volcanology: from myths and legends to a modern and interdisciplinary science
3+ week, 5+ day ago (168+ words) Volcanology has evolved over millennia from myths and legends to a modern and interdisciplinary science. Better monitoring networks and improved understanding of how volcanoes work make people around the world safer from volcanic hazards." Yellowstone"Caldera"Chronicles is a weekly…...
Volcano Watch — Handling the pressure: what gases trapped inside crystals tell us
1+ mon, 1+ day ago (580+ words) USGS Hawaiian Volcano Observatory scientists use tiny features within crystals in erupted lava to answer big questions about the underlying plumbing system at K'lauea." Volcano Watch"is a weekly article and activity update written by U.S. Geological Survey Hawaiian Volcano Observatory…...