Images

Map showing rates of bathymetric change in San Francisco Bay from the 1980s to 2010s, from the study Sediment Deposition, Erosion, and Bathymetric Change in San Francisco, California, 1971-1990 and 1999-2020

Surface geology map of New York City after Nikolaou et al. (2001) and Tamaro et al. (2000).

Bathymetric map of the Gulf of Alaska, with colored regions showing the bathymetry in areas mapped to "modern standards."

Map showing priority mapping areas during the 2023 Seascape Alaska expedition.

USGS Science in the American Territories Geonarrative cover image shows the sun setting near a tropical coastline.

Staff Profile photo of Research Geologist Amy East, USGS Pacific Coastal and Marine Science Center

Aerial image of Searsville Lake coring operations aboard the Hadai, taken in February 2020.

Location map of Searsville Lake and Upper Lake Marsh, within Jasper Ridge Biological Preserve (JRBP), California

USGS Research Geologist Curt Storlazzi and FEMA Mitigation Grants Specialist Janan Reilly present at the US Coral Reef Task Force meeting in Washington, D.C. on April 21, 2023.

Mangrove pond at East Bajura, Puerto Rico, in 2008. Researcher is holding a gouge core, which is used to explore the subsurface

Pre-Columbian tsunami deposit revealed in a core taken in mangrove pond at East Bajura,

Puerto Rico.

Researchers searching for paleotsunami deposits collect a sediment core in East Bajura, Puerto Rico.

The USGS was proud to be an exhibitor and sponsor at the Coastal Sediments Conference in New Orleans, Louisiana, in April 2023.

Aerial image of rocky shoreline at Garrapata State Park, along the Central California coast.

Image of early morning fieldwork at Core Madera Marsh, part of the USGS Sediment Transport in San Francisco Bay project.

Erosion and landslides along the Rio Coca in Ecuador, February 9, 2023. (Amy East, USGS).

A collage of images depicts shoreline habitat and wildlife that use the Salton Sea area in southern California.

Video footage of USGS Research Geologist Patrick Barnard in the field, from the short film "Our Beautiful Planet - Saving Our Shores"

A polar bear walking along the Beaufort Sea coast with storm waves breaking behind it, filmed during fieldwork at Barter Island, Alaska.

Photo of a passive-sampling semipermeable membrane device deployed on a coral reef in West Maui, Hawai'i, to detect organic compounds carried by groundwater discharge.

A map showing study sites at West Maui, Hawai'i, where passive samplers were deployed to detect groundwater contaminants such as pesticides, pharmaceutical compounds, and personal care products that can harm coral reefs.