By jlball@usgs.gov from All News. Published on Jul 08, 2025.

The USGS California Volcano Observatory is saddened to announce the death of Edward Wesley (Wes) Hildreth III, in a vehicle accident on June 19, 2025, in rural western Nevada near Long Valley Caldera.  

By kmulliken@usgs.gov from All News. Published on Jul 03, 2025.

If you’ve been following the ongoing eruption of Kīlauea, you may have seen the terms "gas piston" or "gas pistoning" show up in some of the USGS Hawaiian Volcano Observatory (HVO) updates, photo captions, and other places. 

By kkovacs@usgs.gov from All News. Published on Jul 03, 2025.

A USGS-led expedition in the Aleutian Arc off Alaska will provide critical information on energy resources, underwater earthquakes and other hazards, seafloor habitats, and biological resources, including key fisheries, as well as potential seabed minerals.

By kkovacs@usgs.gov from All News. Published on Jul 03, 2025.

A USGS-led expedition in the Aleutian Arc off Alaska will provide critical information on energy resources, underwater earthquakes and other hazards, seafloor habitats, and biological resources, including key fisheries, as well as potential seabed minerals. Scientists are collecting critical environmental data using an oceanographic tool known as a CTD. 

By dfisher@usgs.gov from All News. Published on Jul 02, 2025.

In this Summer 2025 edition: Western Maryland Flooding • Chesapeake Bay Watershed Loads & Trends • New Gages • New Publications

By ssoileau@usgs.gov from All News. Published on Jul 02, 2025.

Friday's Findings is a public webinar series hosted by the USGS Ecosystems Mission Area. These half hour webinars are meant to provide listeners an overview of the science topic and chance to ask questions. We hope to offer our audience an opportunity to discover the Ecosystems science capacity within the USGS.

By kkovacs@usgs.gov from All News. Published on Jul 01, 2025.

A USGS-led expedition in the Aleutian Arc off Alaska will provide critical information on energy resources, underwater earthquakes and other hazards, seafloor habitats, and biological resources, including key fisheries, as well as potential seabed minerals. To do this, the science team is using the human-occupied vehicle known as Alvin to reach the seafloor. 

By ppearsall@usgs.gov from All News. Published on Jul 01, 2025.

Coastal communities around the world face increasing threats from storm surges—intense rises in sea level caused by powerful storms pushing water ashore. A new study using advanced statistical modeling and historical sea-level observational data shows that the likelihood of these events occurring is much higher than previously estimated along U.S. coasts.

By jburton@usgs.gov from All News. Published on Jul 01, 2025.

As vibrant fireworks light up the sky this Fourth of July, many may find themselves intrigued by the secrets behind their dazzling colors. The magic lies in the minerals!

By jrichie@usgs.gov from All News. Published on Jul 01, 2025.

Earth planning date: Monday, June 16, 2025

Over the weekend Curiosity successfully wrapped up activities at the “Altadena” drill site and got back on the road. The approximately 48-meter drive (about 157 feet) was successful, and placed the rover in the next mapping quadrangle (informally referred to as a quad). 

By jlball@usgs.gov from All News. Published on Jul 01, 2025.

California's volcanoes may be relatively quiet nowadays, but they're still important places to study and monitor - especially ones that are close to major population centers in the state. 

By kkovacs@usgs.gov from All News. Published on Jul 01, 2025.

A USGS-led expedition in the Aleutian Arc off Alaska will provide critical information on energy resources, underwater earthquakes and other hazards, seafloor habitats, and biological resources, including key fisheries, as well as potential seabed minerals. Scientists aboard the expedition are studying coral and sponge reproduction. 

By ppearsall@usgs.gov from All News. Published on Jul 01, 2025.

Using USGS data, the U.S. Department of Defense's (DoD) Regional Sea Level Database supports DoD efforts to assess and respond to coastal infrastructure exposures and vulnerabilities from plausible scenarios of future mean sea level and extreme, storm-driven water levels. 

By kmulliken@usgs.gov from All News. Published on Jun 30, 2025.

Episode 27 of the ongoing eruption in Halemaʻumaʻu began at 9:05 a.m. on June 29 and ended11 hours later, at 7:54 p.m. HST. 

By kkovacs@usgs.gov from All News. Published on Jun 30, 2025.

A USGS-led expedition in the Aleutian Arc off Alaska will provide critical information on energy resources, underwater earthquakes and other hazards, seafloor habitats, and biological resources, including key fisheries, as well as potential seabed minerals. The science team is investigating a large, mostly submerged volcano that erupted explosively in 2016-2017.

By mpoland@usgs.gov from All News. Published on Jun 30, 2025.

The recent death of a bison at Grand Prismatic Spring is an emphatic example of the danger posed by thermal areas in Yellowstone National Park.  But there are some common misconceptions about what makes the hot springs so dangerous.

By kmulliken@usgs.gov from All News. Published on Jun 27, 2025.

A USGS Hawaiian Volcano Observatory helicopter monitoring overflight of the summit of Kīlauea on June 27 provided aerial overview of the eruption site in Kaluapele, as well as a view into the north vent. 

By kmulliken@usgs.gov from All News. Published on Jun 27, 2025.

The F1cam, KWcam, and continuous laser rangefinder went offline on March 26 of this year, as tephra fallout from lava fountaining during episode 15 of the ongoing Kīlauea summit eruption damaged the monitoring infrastructure. The instruments were recently reinstalled with permission from Hawaiʻi Volcanoes National Park at a location on the rim farther away from the active vents.

By wandrews@usgs.gov from All News. Published on Jun 27, 2025.

The USGS Actionable & Strategic Integrated Science & Technology (ASIST) Initiative hosted a science co-development virtual workshop on June 24-25, 2025, for external partners and USGS subject matter experts in the Colorado River Basin. The workshop provided partners with a synopsis of the 2023 Co-development workshop series and sought feedback about seed projects funded by the ASIST initiative.

By kmulliken@usgs.gov from All News. Published on Jun 26, 2025.

The spectacular series of Kīlauea eruption episodes over the past six months has been remarkably safe for public viewing, but a simple change in the wind or brief vent collapse could cause dramatic changes in the hazards the volcano presents.

By kmulliken@usgs.gov from All News. Published on Jun 26, 2025.

A new map shows thickness values for lava flows within Halema‘uma‘u crater from the Kīlauea summit eruption that began on December 23, 2024. And UAS work at the summit provides views into the north vent. 

By kkovacs@usgs.gov from All News. Published on Jun 26, 2025.

A USGS-led expedition in the Aleutian Arc off Alaska will provide critical information on energy resources, underwater earthquakes and other hazards, seafloor habitats, and biological resources, including key fisheries, as well as potential seabed minerals. Scientists are investigating potential hydrothermal mineral specimens on the seafloor. 

By smieszek@usgs.gov from All News. Published on Jun 26, 2025.

List of products from the New England Water Science Center released in the second quarter of 2025.

By mnewbrough@usgs.gov from All News. Published on Jun 26, 2025.

Chesapeake Bay Program — Press Release — June 26, 2025

By emalakoff@usgs.gov from All News. Published on Jun 25, 2025.

Beneath the U.S. lies a vast, largely untapped reservoir of energy: geothermal heat.  

By ppearsall@usgs.gov from All News. Published on Jun 25, 2025.

Tidal salt marshes—vital ecosystems that protect coastlines, remove excess nutrients and pollutants from coastal waters, and provide habitat for fish and wildlife—depend on a steady supply of inorganic sediment to keep pace with rising sea levels. But how, exactly, does this sediment get to the marsh? And what factors influence this process?

By kkovacs@usgs.gov from All News. Published on Jun 25, 2025.

A USGS-led expedition in the Aleutian Arc off Alaska will provide critical information on energy resources, underwater earthquakes and other hazards, seafloor habitats, and biological resources, including key fisheries, as well as potential seabed minerals. One USGS scientist celebrates a return to the Aleutians - 21 years later.

By dchilds@usgs.gov from All News. Published on Jun 25, 2025.

A USGS led team at the Idaho Cooperative Research Unit studied effects of cattle grazing on greater sage-grouse demographic traits. Sage-grouse were widespread in western North America’s sagebrush-grassland ecosystems; populations have declined since the 1960s. Results of a 10-year experimental study are provided to assist partners in development of science-based, grouse-friendly grazing plans.

By jlawson@contractor.usgs.gov from All News. Published on Jun 25, 2025.

The U.S. Geological Survey (USGS) Earth Resources Observation and Science (EROS) Center and the National Land Cover Database (NLCD) project are excited to announce the release of Annual NLCD Conterminous U.S. (CU) Collection 1.1. 

By sernst@usgs.gov from All News. Published on Jun 25, 2025.

Seafloor mapping provides the fundamental data needed to study a wide range of topics. The USGS is actively mapping the seafloor surface and its underlying structure in coastal to deep sea environments to address national priorities.