Images

Six Mile Falls on Kenduskeag Stream at USGS station 01037000.

Caption: Trees tipping over and dying as ice-rich permafrost thaws in the Innoko National Wildlife Refuge, Alaska.

Map showing the locations of all U.S. volcanoes with their threat category designated by color. Very high threat is red, high is orange, moderate is yellow, low is green, and very low is blue. 

These two NOAA satellite images show Cape San Blas Road in the Florida Panhandle town of Cape San Blas before Hurricane Michael, and after the Category 5 storm. The red circle shows where the USGS sea turtle researchers' field station and seasonal home once stood. The building was demolished down to the concrete slab.

Landsat image of ice caps in northern Savernaya Zemlya, Russian Arctic Islands (80 degrees N.). The scene shows zones of melting on the ice caps. The largest ice cap is about 80 km across. Image courtesy of Julian Dowdeswell, Scott Polar Research Institute, Cambridge, UK.

A USGS electronics technician performs maintenance on a ShakeAlert Earthquake Early Warning (EEW) sensor station, located in the San Francisco Bay Area. ShakeAlert station components include strong-motion accelerometers, solar panel and battery power systems, and communications & telemetry equipment for communication with the wider ShakeAlert network. 

Mount Shasta, a steep-sided Cascade Range stratovolcano in Northern California, looms above Little Glass Mountain, a thick obsidian flow erupted from the Medicine Lake shield volcano about 1,000 years ago. These are just two of the young volcanic areas monitored by the USGS California Volcano Observatory. USGS photo.

Source: USGS National Wetlands Research Center. Photographer: Brad M. Glorioso. St. Tammany Parish, Louisiana

Necturus beyeri - Gulf Coast Waterdog

Eastern Iowa Ambystoma laterale - Blue-spotted Salamander. USGS ARMI photo by Evan S. Grimes

Maintenance of high quality ShakeAlert sensor, power and telemetry station in the San Francisco Bay Area in California.

Chaparral in the foreground of the El Escorpión Park in Southern California after the November 2018 Woolsey fire. Photo taken in December 2018. 

HVO geologist Matthew Patrick being interviewed on the Kīlauea lava-flow field for a documentary about Hawaiian volcanism. Growing lava delta (left background) steaming at the point of ocean entry.

USGS scientists collect sediment cores to examine the amount and distribution of metals within Lake Powell.  

Drill rig to collect sediment samples on Lake Powell.

USGS scientists work with heavy machinery to collect sediment through the full thickness of the San Juan and Colorado River deltas. 

Core processing hut provides a sheltered environment for scientists to process the cores for shipment to the National Lacustrine Core Facility

USGS scientists collect sediment cores to examine the amount and distribution of metals within Lake Powell.  

USGS Mollusk Fossils in the Denver Collection.

A broken concrete foundation and some shattered floor tiles were all that remained of the sea turtle researchers' field station and home base after Category Four Hurricane Michael struck Cape San Blas on Oct. 10, 2018.

Burned, hollowed out base of a sequoia tree in Sequoia National Park

USGS Research Oceanographer Lauren Toth and Oceanographer Anastasios Stathakopoulos study a coral-reef core in the USGS’s Core Archive in St. Petersburg, Florida. Photo: Dominique Gallery, USGS.