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Diagram showing land subsidence and sand deposit following tsunami
Diagram showing land subsidence and sand deposit following tsunami
Diagram showing land subsidence and sand deposit following tsunami
Diagram showing land subsidence and sand deposit following tsunami

Diagram showing the sequence of land subsidence during an earthquake, followed with sand deposited by a tsunami.

Photo of sediment core with tsunami deposit from the Salmon River estuary, Oregon
Sediment core with tsunami deposit from the Salmon River estuary, Oregon
Sediment core with tsunami deposit from the Salmon River estuary, Oregon
Sediment core with tsunami deposit from the Salmon River estuary, Oregon

Sediment core with tidal silt, tsunami sand, and marsh peat collected from the Salmon River estuary, Oregon.

Close-up imageof sediment core with tidal silt, tsunami sand, and marsh peat collected from the Salmon River estuary, Oregon
Detail of sediment core with tidal silt, tsunami sand, and marsh peat collected from the Salmon River estuary, Oregon.
Detail of sediment core with tidal silt, tsunami sand, and marsh peat collected from the Salmon River estuary, Oregon.
Detail of sediment core with tidal silt, tsunami sand, and marsh peat collected from the Salmon River estuary, Oregon.

Sediment core with tidal silt, tsunami sand, and marsh peat collected from the Salmon River estuary, Oregon.

Map showing location of Salmon River estuary, Oregon
Map showing location of Salmon River estuary, Oregon
Map showing location of Salmon River estuary, Oregon
Map showing location of Salmon River estuary, Oregon

Map showing location of Salmon River estuary, Oregon. Yellow dots represent estuaries, lagoons, and lakes with evidence of the 1700 tsunami.

Map showing location of Salmon River estuary, Oregon. Yellow dots represent estuaries, lagoons, and lakes with evidence of the 1700 tsunami.

View of Salmon River estuary, Oregon, from above
View of Salmon River estuary, Oregon, from above
View of Salmon River estuary, Oregon, from above
View of Salmon River estuary, Oregon, from above

View of Salmon River estuary, Oregon, from above. Sediment cores were collected from marshland toward the upper left of the image.

View of Salmon River estuary, Oregon, from above. Sediment cores were collected from marshland toward the upper left of the image.

Photo of USGS scientists SeanPaul La Selle and Jason Padgett collecting sediment cores at the Salmon River estuary, Oregon
USGS scientists SeanPaul La Selle and Jason Padgett collecting sediment cores at the Salmon River estuary, Oregon
USGS scientists SeanPaul La Selle and Jason Padgett collecting sediment cores at the Salmon River estuary, Oregon
USGS scientists SeanPaul La Selle and Jason Padgett collecting sediment cores at the Salmon River estuary, Oregon

USGS scientists SeanPaul La Selle and Jason Padgett collecting sediment cores at the Salmon River estuary, Oregon.

Image of an oil drilling platform offshore of Huntington Beach, California, with the sun setting behind it
Oil drilling platform offshore of Huntington Beach, California
Oil drilling platform offshore of Huntington Beach, California
Oil drilling platform offshore of Huntington Beach, California

Image of an oil drilling platform offshore of Huntington Beach, California, with the sun setting behind it.

Image of an oil drilling platform offshore of Huntington Beach, California, with the sun setting behind it.

Sidescan sonar data along the San Pedro pipeline offshore of southern California
Sidescan sonar data along the San Pedro pipeline offshore of southern California
Sidescan sonar data along the San Pedro pipeline offshore of southern California
Sidescan sonar data along the San Pedro pipeline offshore of southern California

Sidescan sonar data collected along the San Pedro pipeline offshore of southern California.

Recipients of the FBI Director's Award in Santa Barbara, California
Recipients of the FBI Director's Award in Santa Barbara, California
Recipients of the FBI Director's Award in Santa Barbara, California
Recipients of the FBI Director's Award in Santa Barbara, California

On April 19, 2024, in Santa Barbara, California, Susan Zaleski, Donna Schroeder, Dr. Guy Cochrane, and Dr. Mark Page all received FBI Director’s Awards for their participation in the Huntington Beach oil spill case. From left to right, USERT lead Ty Summers, Special Agent Ketrin Adam, Assistant Agent in Charge Sean Haworth, Dr. Guy Cochrane, Donna Schroeder, Dr.

On April 19, 2024, in Santa Barbara, California, Susan Zaleski, Donna Schroeder, Dr. Guy Cochrane, and Dr. Mark Page all received FBI Director’s Awards for their participation in the Huntington Beach oil spill case. From left to right, USERT lead Ty Summers, Special Agent Ketrin Adam, Assistant Agent in Charge Sean Haworth, Dr. Guy Cochrane, Donna Schroeder, Dr.

Animated GIF showing corrected thermal imagery from Ofu
Animated GIF showing corrected thermal imagery from Ofu, American Samoa
Animated GIF showing corrected thermal imagery from Ofu, American Samoa
Animated GIF showing corrected thermal imagery from Ofu, American Samoa

Animated GIF showing corrected thermal imagery of a groundwater plume discharging onto a reef at Ofu, American Samoa. 

Animated GIF showing corrected thermal imagery of a groundwater plume discharging onto a reef at Ofu, American Samoa. 

Science seminar flyer for Cristián Escauriaza
Science seminar flyer for Cristián Escauriaza
Science seminar flyer for Cristián Escauriaza
Science seminar flyer for Cristián Escauriaza

Science seminar flyer for Cristián Escauriaza presentation, “A Tale of Two Extremes: Turbulent Transport in the Altiplano and Patagonia”.

Science seminar flyer for Cristián Escauriaza presentation, “A Tale of Two Extremes: Turbulent Transport in the Altiplano and Patagonia”.

Science seminar flyer for Amanda Stoltz
Science seminar flyer for Amanda Stoltz
Science seminar flyer for Amanda Stoltz
Science seminar flyer for Amanda Stoltz

Science seminar flyer for Amanda Stoltz's presentation, "Building Resilience to Coastal Hazards: An Analysis of Decision Making and Environmental Justice on Changing Coasts".

Science seminar flyer for Amanda Stoltz's presentation, "Building Resilience to Coastal Hazards: An Analysis of Decision Making and Environmental Justice on Changing Coasts".

Coral cores collected within the National Park of American Samoa on Ofu
Coral cores collected within the National Park of American Samoa on Ofu
Coral cores collected within the National Park of American Samoa on Ofu
Coral cores collected within the National Park of American Samoa on Ofu

Coral cores collected within the National Park of American Samoa on the island of Ofu.

Graph showing corrected thermal camera imagery
Graph showing corrected thermal camera imagery
Graph showing corrected thermal camera imagery
Graph showing corrected thermal camera imagery

Graph showing corrected thermal camera imagery from the National Park of American Samoa on Ofu.

Scientists conducting Electrical Resistivity Tomography surveys in American Samoa
Scientists conducting Electrical Resistivity Tomography surveys in American Samoa
Scientists conducting Electrical Resistivity Tomography surveys in American Samoa
Scientists conducting Electrical Resistivity Tomography surveys in American Samoa

Scientists conducting Electrical Resistivity Tomography surveys in American Samoa.

Scientists installing thermal camera on Ofu
Scientists installing thermal camera on Ofu
Scientists installing thermal camera on Ofu
Scientists installing thermal camera on Ofu

Scientists installing thermal camera in the National Park of American Samoa on Ofu.

Scientists installing a wind and rain gauge in American Samoa
Scientists installing a wind and rain gauge on Ofu, American Samoa
Scientists installing a wind and rain gauge on Ofu, American Samoa
Scientists installing a wind and rain gauge on Ofu, American Samoa

Scientists installing a wind and rain gauge in the National Park of American Samoa on Ofu.

Map of Ofu, American Samoa, showing study sites
Map of Ofu, American Samoa, showing study sites
Map of Ofu, American Samoa, showing study sites
Map of Ofu, American Samoa, showing study sites

Map of Ofu, American Samoa, showing study sites to investigate outbreaks of Valonia fastigiata algae.

USGS and NPS scientists collecting a coral core within the National Park of American Samoa on Ofu
USGS and NPS scientists collecting a coral core within the National Park of American Samoa on Ofu
USGS and NPS scientists collecting a coral core within the National Park of American Samoa on Ofu
USGS and NPS scientists collecting a coral core within the National Park of American Samoa on Ofu

USGS and NPS scientists collecting a coral core within the National Park of American Samoa on Ofu.

Underwater image of Valonia fastigiata algae growing on a reef at Ofu
Underwater image of Valonia fastigiata algae growing on a reef at Ofu
Underwater image of Valonia fastigiata algae growing on a reef at Ofu
Underwater image of Valonia fastigiata algae growing on a reef at Ofu

Underwater image of Valonia fastigiata algae growing on a reef in the National Park of American Samoa on Ofu.

Scientists viewing data from a thermal camera installed in the National Park of American Samoa
Scientists viewing data from a thermal camera installed in the National Park of American Samoa on Ofu
Scientists viewing data from a thermal camera installed in the National Park of American Samoa on Ofu
Scientists viewing data from a thermal camera installed in the National Park of American Samoa on Ofu

Scientists viewing data from a thermal camera installed in the National Park of American Samoa on Ofu.