Images

Epidote is a silicate mineral used mostly as a semiprecious gemstone.

Sample provided by Carlin Green, USGS. Sample originated from Prince of Wales Island, Alaska, and is 6.0cm in size.

Bath Creek, upstream of Blowing Springs Campground, George Washington National Forest, Bath County, VA.

GeoGirls learn about how the May 18, 1980 eruption of Mount St. Helens impacted the ecology of the area.

Example of a closed canopy plantation logged 60 years ago at the HJ Andrews Experimental Forest in Oregon, old growth forests have bigger trees and a more complex understory.

A Chinese firebelly newt (Cynops orientalis), the first salamander species found to be infected with the spring viraemia of carp virus.

Torbernite is a copper phosphate mineral that contains uranium, making it somewhat radioactive. Although it can be used as a uranium ore, it's more valued as a collectors mineral. It can be used as a good indicator of uranium deposits, however.

GeoGirls hike onto the Pumice Plain to learn more about Mount St. Helens’ historical

eruptions.

Coal is loaded into trucks at the Trapper Mine in northwest Colorado.

Many species of Hawaiian honeycreepers have persisted into the 20th century because high elevation rain forests on the islands of Kaua’i, Maui, and Hawai’i are cool enough to limit transmission of introduced avian malaria (Plasmodium relictum).

Student volunteers are trained to scan historic library materials. The materials can be complex, consisting of multiple parts.

Southern California cliff and cliff-top development in Isla Vista, California

USGS streamgage 13210810, Fifteen Mile Creek near Middleton, Idaho, is one of 10 streamgages the USGS has installed on Treasure Valley drains in cooperation with the Idaho Department of Water Resources. Data from these streamgages will be incorporated into a groundwater-flow model of the Treasure Valley aquifer system.

An animated GIF of a ground squirrel appearing to eat repeatedly, really fast. The animated GIF was created from a clip within a USGS video entitled, "USGS Pollinator Research and Monitoring."

The Volcano Distater Assistance Program (VDAP) maintains an equipment cache located at the USGSS Cascades Volcano Observatory. The volcano monitoring equipment can be rapidly deployed worldwide when needed.

Seismometers (instruments for recording earthquakes) are tested and fitted at the USGS Cascades Volcano Observatory before going out into the field.

At the USGS Cascades Volcano Observatory Electronics Lab, technicians build, test, and prepare scientific instruments to be deployed for monitoring volcanoes worldwide.

Three of the nine wild sea otter populations in the U.S. are federally listed as threatened. In California, USGS biologists have lead an annual population census to assess the local populations' recovery, working closely with state agencies and the Monterey Bay Aquarium.

John Rosendale installs a pipe to monitor harmful algal blooms at Cheney Reservoir in Kansas. 

A beautiful capture of a streamgage at Bunnell Brook near Burlington, CT.

Hydrologic technician Lindsay Hastings took this photo of the Rio Brazos near Tierra Amarilla, New Mexico during her first field trip as a streamgager with the New Mexico Water Science Center. Did you know that New Mexico was the birth place of streamgaging?

Vilano Beach, FL: Low altitude oblique aerial photographs taken before Hurricane Matthew (Sept. 6, 2014) and after (Oct. 14, 2016) show that storm waves and currents eroded a 16-foot-high san dune, exposing old seawalls and washing away boardwalks and decks.