Images

Permanently flooded shore in Guayanilla, Puerto Rico.

Iguana in the marine science laboratory at the university of Puerto Rico Isla Magueyes in La Parguera, Puerto Rico.

Map of seismic activity in Southwestern Puerto Rico.

The USGS National Integrated Water Availability Assessments (IWAAs) concept map shows daily estimates of natural water storage (water present on the landscape such as standing water, snowpack, soil water, and shallow groundwater) for approximately 110,00

R/V Sultana. Less than two months after the largest earthquake in the seismic sequence, the USGS Woods Hole Coastal and Marine Science Center organized a rapid response seismic survey.

Regional map of Puerto Rico. Less than two months after the largest earthquake in the seismic sequence, the USGS Woods Hole Coastal and Marine Science Center organized a rapid response seismic survey.

USGS marine technician Wayne Baldwin prepares to deploy the hydrophone array during a seismic research cruise off the southwest coast of Puerto Rico on board the R/V Sultana in March 2020.

Looking upstream from the bridge at the sampling site on the Second River above Washington Ave at Belleville, NJ (USGS Downstream order number 01392518) 

USGS research geologist Jason Chaytor (L) and marine technicians Alex Nichols (center) and Eric Moore (R) deploy the “sparker” sound source on a seismic research cruise off the southwest coast of Puerto Rico aboard the R/V Sultana in March 2020.

USGS marine technicians Alex Nichols (L) and Eric Moore (R) deploy the hydrophone array on a seismic research cruise off the southwest coast of Puerto Rico aboard the R/V Sultana in March 2020.

Aerial view of a bomb detonating on Mauna Loa near the source of the 1935 Humu‘ula lava flow on the morning of December 27, 1935. This was one of 20 demolition bombs dropped on the lava flow that morning by the Army Bombing Squadron from Luke Field, O‘ahu.

NWQL Townhall - Carlos Arozarena celebrates 50 years of service with Nwql - Usgs

A U.S. Army Air Corps biplane is prepared for a mission to drop bombs on a lava flow advancing toward Hilo during the Mauna Loa 1935 eruption.

The stage of Belle Fourche River near Moorcroft rose nearly 10 feet one Saturday due to ice jamming and back water, and was nearing NWS flood stage.

The stage of Belle Fourche River near Moorcroft rose nearly 10 feet one Saturday due to ice jamming and back water, and was nearing NWS flood stage.

Photo Contest Winner | March 2020 | Honorable Mention 2
Daniel Skulski conducting PFAS collection

Mushroom Pool, in the Lower Geyser Basin of Yellowstone National Park, as it looked in June 23, 1967. The sample that would be the source of Thermus aquaticus strain YT-1 came from this hot spring. Pictured is Thomas Brock standing near the edge of the pool. Image from the self-published "A Scientist in Yellowstone National Park" (Brock, 2017).

View inside the Woods Hole Coastal and Marine Science Center Sediment Analysis Laboratory showing the laboratory computer workstation, precision balances, and interior of the oven and sieving room.

View inside the Woods Hole Coastal and Marine Science Center Sediment Analysis Laboratory showing the Beckman Coulter Multisizer 3 and Horiba LA-960 laser diffraction unit.

Key used in an educational lesson plan for identifying the composition and condition of corals and coralline algae in a core. (a) Two examples of Pocillopora in good taphonomic condition (<50% erosion or encrustation of the skeleton).

Kentucky mount constructed from Speed Rail. This mount can be used to deploy Rio Grande, RiverPro, RioPro, and RiverSurveyor ADCPs.