Images

Conceptual diagram showing relative scales of sediment mass flux into San Francisco Bay during the 2017 water year. From the study Widespread Landslide Activity in an Extreme Wet Season and Implications for Regional Sediment Management, Eastern San Francisco Bay Area, California.

Designation of stream-contacting landslides in east San Francisco Bay. From the study Widespread Landslide Activity in an Extreme Wet Season and Implications for Regional Sediment Management, Eastern San Francisco Bay Area, California.

Examples of areas where shallow landslides were mapped as being in contact with stream channels, East Bay. Widespread Landslide Activity in an Extreme Wet Season and Implications for Regional Sediment Management, Eastern San Francisco Bay Area, California.

USGS engages with community representatives (city, tribe, Alaska Native Corporations), organizations that provide communities with technical support for planning and emergency preparedness, and State and Federal agency partners to ensure delivery of actionable products in western Alaska.

Decadal satellite-derived shorelines for Unalakleet, Alaska.

Animated GIF showing overwash of seawall at Teller, Alaska in an October 2025 storm.

Kotzebue flood exposure map showing potential reach of floodwaters and the associated risk to structures,

Flowchart showing how USGS data and tools enhance National Weather Service coastal hazards forecasts by transforming NOAA water level and wave predictions into detailed tables and maps of expected coastal flooding impacts for communities.

Map of the Escanaba Trough.

Lobed star coral (Orbicella annularis) bleaching during the 2026 marine heatwave in the Florida Keys. Taken on July 12, 2026 at Newfound Harbor, an inshore patch reef in the Lower Florida Keys.

Starlet coral (Siderastrea siderea) bleaching during the 2026 marine heatwave in the Florida Keys. Taken on July 12, 2026 at Newfound Harbor, an inshore patch reef in the Lower Florida Keys.

The Great Salt Lake fault spans the eastern margin of the Great Salt Lake, Utah (USA) and includes the ∼30-km-long Fremont Island (FI) and ∼35-km-long Antelope Island (AI) sections; white arrows mark section boundaries.

Animated GIF of aerial images showing Milton Pass, FL, before and after Hurricanes Helene and Milton

Aerial image of Milton Pass pre-Hurricane Helene.

Aerial image of Midnight Pass pre-Hurricane Helene.

Map of aerial survey area in western Florida.

Aerial image of Midnight Pass post-Hurricane Milton.

Aerial image of Milton Pass post-Hurricane Milton.

Around the world, scientists are using the Coupled Ocean-Atmosphere-Waves-Sediment Transport (COAWST) Modeling System to better understand and forecast short-term changes in coastal conditions.

Scientists collecting bore cores aboard the American Samoa Mapping Project expedition.

Map of nodule abundances measured in box cores in the Samoa Basin collected in this expedition displayed next to modeled abundances from the Cook Islands Seabed Mineral Authority. The U.S.