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From left to right, USGS scientists Sam McGill, Lucas WinklerPrins, David Hart, Selina Davila Olivera, and Pete Dal Ferro work on Grizzly Bay on the vessel Jewell, to collect sediment samples using the GOMEX box corer.

On PCMSC vessel Jewell, a team of USGS scientists sit in Grizzly Bay, a baylet of San Francisco Bay in Solano County, California. USGS collects sediment samples to study how sediment moves through sensitive coastal environments like this.

USGS science crew works to free the muddy sediment from a GOMEX box corer. They are on board the Pacific Coastal and Marine Science Center's vessel Jewell on Grizzly Bay in the San Francisco Bay area.

A weather station, installed in the middle of Grizzly Bay east of San Pablo Bay (near San Francisco), gets its power from a small solar panel. Data collected from the station is transmitted via a wireless modem. Far in the background is the city of Benicia, and the plume rising into the sky is water vapor emitted from the Benicia oil refinery.

Wildlife out in force in Yellowstone as streamgagers headed into streamgages on Firehole and Gibbon Rivers. The thermal activity of the area means that the Firehole River is almost always ice free.

Wildlife out in force in Yellowstone as streamgagers headed into streamgages on Firehole and Gibbon Rivers. The thermal activity of the area means that the Firehole River is almost always ice free.

Semipalmated Sandpipers with A) Leg bands only (no flag), or B) leg bands plus flag From: Leg flags do not affect shorebird nests: https://doi.org/10.1111/jofo.12264

USGS gage 10308200 East fork Carson River below Markleeville, NV

Overview of the Congressional event following the 6.4 earthquake in Puerto Rico. Bottom of picture: congressmen. Center: Dianne Lopez, Lindsay Davis, Donyelle Davis

Congressional event following the 6.4 earthquake in Puerto Rico held on Jan. 20, 2020. Dr. Jonathan Godt (USGS) and Dr. Elizabeth A. Vanacore (Red Sismica Puerto Rico) answered questions to congressmen: Yauco's major, Bill Posey, Jenniffer González Colón, Stephanie Murphy, Donna Shalala

One of the houses destroyed during the 6.4 earthquake in Puerto Rico. 

A close-up view of the Kilauea pond shows the color variations across the surface, and sharp boundaries among zones of different color.

Digital elevation model (DEM) of northern San Francisco Bay, California, created using bathymetry data collected between 1999 and 2016 (MLLW)

This image created using the Continuous Bathymetry and Elevation Models of the Massachusetts Coastal Zone and Continental Shelf, shows the entrance to the Buzzards Bay entrance to the Cape Cod Canal.

This image created using the Continuous Bathymetry and Elevation Models of the Massachusetts Coastal Zone and Continental Shelf, shows the three-dimensional perspective view of the Elizabeth Islands in the center of the image. Buzzards Bay is to the left (north) of the Elizabeth Islands, and Vineyard Sound is to the right (south).

This image created using the Continuous Bathymetry and Elevation Models of the Massachusetts Coastal Zone and Continental Shelf, shows the three-dimensional perspective view of Nantucket Island, MA looking from the Southeast to the Northwest.

After days of rain, a window of clear weather allowed HVO geologists to make observations and take measurements of the water pond at Kīlauea's summit on January 17, 2020. No major changes were observed, and the water level continues to slowly rise.