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Coastal and Marine Hazards and Resources Program images.
Petrographic (A, D) SEM (B, E) and STEM (C, F) images of bladed marcasite (A, B,C) and bladed pyrrhotite (D,E,F). The petrographic images are reflected light under plane polarization. The brassy minerals in D are isocubanite being replaced by chalcopyrite.
Petrographic (A, D) SEM (B, E) and STEM (C, F) images of bladed marcasite (A, B,C) and bladed pyrrhotite (D,E,F). The petrographic images are reflected light under plane polarization. The brassy minerals in D are isocubanite being replaced by chalcopyrite.
A stratigraphic scanning electron microscope tour showing the evolution of manganese-oxide mineralization of host sediment.
A stratigraphic scanning electron microscope tour showing the evolution of manganese-oxide mineralization of host sediment.
Map of West Coast USA rocky reef habitat areas of particular concern. Adapted from the study A geographic dataset of rocky reefs habitat areas of particular concern for the United States West Coast.
Map of West Coast USA rocky reef habitat areas of particular concern. Adapted from the study A geographic dataset of rocky reefs habitat areas of particular concern for the United States West Coast.
Katlin Adamczyk in Mission Control Room of Okeanos Explorer during the 2026 American Samoa ROV + Mapping Exploration expedition.
Katlin Adamczyk in Mission Control Room of Okeanos Explorer during the 2026 American Samoa ROV + Mapping Exploration expedition.
This field of polymetallic nodules was seen during Dive 04 of the 2026 American Samoa ROV + Mapping Exploration expedition at a depth of approximately 5,140 meters (3.2 miles). Sediment scoops and push core samples were collected here for scientific assessment.
This field of polymetallic nodules was seen during Dive 04 of the 2026 American Samoa ROV + Mapping Exploration expedition at a depth of approximately 5,140 meters (3.2 miles). Sediment scoops and push core samples were collected here for scientific assessment.
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.
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.
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.
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.
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.
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.
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.
Decadal satellite-derived shorelines for Unalakleet, Alaska.
Kotzebue flood exposure map showing potential reach of floodwaters and the associated risk to structures,
Kotzebue flood exposure map showing potential reach of floodwaters and the associated risk to structures,
Animated GIF showing overwash of seawall at Teller, Alaska in an October 2025 storm.
Animated GIF showing overwash of seawall at Teller, Alaska in an October 2025 storm.
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.
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.
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.
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.
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.
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.
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.
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
Animated GIF of aerial images showing Milton Pass, FL, before and after Hurricanes Helene and Milton
Aerial image of Milton Pass post-Hurricane Milton.
Aerial image of Milton Pass post-Hurricane Milton.
Aerial image of Midnight Pass pre-Hurricane Helene.
Aerial image of Midnight Pass pre-Hurricane Helene.
Aerial image of Milton Pass pre-Hurricane Helene.
Aerial image of Milton Pass pre-Hurricane Helene.