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Explore a wide variety of videos that highlight natural hazards, the risks they pose and the science we conduct to better understand and prepare for them.

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Climate Science Champions Season 3: Owen McKenna, Research Ecologist (AD)

Research Ecologist Owen McKenna investigates how climate and land use change are impacting the Prairie-Pothole region, a critical habitat for ducks and other migratory waterfowl.  

ShakeMovie Computer Simulation of the M6.7 1994 Northridge, CA Earthquake thumbnail ShakeMovie Computer Simulation of the M6.7 1994 Northridge, CA Earthquake thumbnail
ShakeMovie Computer Simulation of the M6.7 1994 Northridge, CA Earthquake
ShakeMovie Computer Simulation of the M6.7 1994 Northridge, CA Earthquake

At the time of its occurrence, the 1994 Northridge earthquake produced one of the most comprehensive datasets of earthquake ground motion recordings to date. In spite of this, the spatial locations of instrumental observations do not provide sufficient resolution to fully visualize many of the important ground shaking features that occurred during this earthquake.

At the time of its occurrence, the 1994 Northridge earthquake produced one of the most comprehensive datasets of earthquake ground motion recordings to date. In spite of this, the spatial locations of instrumental observations do not provide sufficient resolution to fully visualize many of the important ground shaking features that occurred during this earthquake.

Photo of marmot standing on its hind legs, in Yellowstone National Park Photo of marmot standing on its hind legs, in Yellowstone National Park
Monthly update of activity at Yellowstone Volcano, April 1, 2023
Monthly update of activity at Yellowstone Volcano, April 1, 2023

Do animals prank humans? It sometimes feels that way, says Yellowstone Volcano Observatory’s scientist-in-charge Mike Poland. Mike shows some of the ways animals have “interacted” with monitoring equipment in this April 1, 2023 monthly update of activity at Yellowstone Volcano.

Do animals prank humans? It sometimes feels that way, says Yellowstone Volcano Observatory’s scientist-in-charge Mike Poland. Mike shows some of the ways animals have “interacted” with monitoring equipment in this April 1, 2023 monthly update of activity at Yellowstone Volcano.

Large tree lying across hillslope above channel Large tree lying across hillslope above channel
The spatial distribution of post-fire debris flows in relation to observed rainfall anomalies: Insights from the Dolan Fire, California
The spatial distribution of post-fire debris flows in relation to observed rainfall anomalies: Insights from the Dolan Fire, California

A range of flow types can be observed in steep, recently-burned terrain, but predicting the spatial distribution of debris flows resulting from a single storm event remains challenging.

Jet Ski Bathymetric Surveying

The USGS uses a variety of survey tools—including personal watercraft (jet skis) equipped with GPS and sonar—to measure how sandy coastlines change over time. Sandy coastlines are a valuable resource that protect human-made structures from waves, serve as habitat for important species, and provide a variety of recreational opportunities.

The USGS uses a variety of survey tools—including personal watercraft (jet skis) equipped with GPS and sonar—to measure how sandy coastlines change over time. Sandy coastlines are a valuable resource that protect human-made structures from waves, serve as habitat for important species, and provide a variety of recreational opportunities.

Jet Ski Bathymetric Surveying (AD)

The USGS uses a variety of survey tools—including personal watercraft (jet skis) equipped with GPS and sonar—to measure how sandy coastlines change over time. Sandy coastlines are a valuable resource that protect human-made structures from waves, serve as habitat for important species, and provide a variety of recreational opportunities.

The USGS uses a variety of survey tools—including personal watercraft (jet skis) equipped with GPS and sonar—to measure how sandy coastlines change over time. Sandy coastlines are a valuable resource that protect human-made structures from waves, serve as habitat for important species, and provide a variety of recreational opportunities.

Image shows Free Ascent Tripod (FAT) lifted by a crane during a test deployment Image shows Free Ascent Tripod (FAT) lifted by a crane during a test deployment
Free Ascent Tripod Test on the Santa Cruz Wharf (AD)
Free Ascent Tripod Test on the Santa Cruz Wharf (AD)

Staff from the USGS Pacific Coastal and Marine Science Center Marine Facility engineered a Free Ascent Tripod (FAT) for deployment in deep-sea environments along the Cascadia Subduction Zone.

Staff from the USGS Pacific Coastal and Marine Science Center Marine Facility engineered a Free Ascent Tripod (FAT) for deployment in deep-sea environments along the Cascadia Subduction Zone.

Free Ascent Tripod Test on the Santa Cruz Wharf

Staff from the USGS Pacific Coastal and Marine Science Center Marine Facility engineered a Free Ascent Tripod (FAT) for deployment in deep-sea environments along the Cascadia Subduction Zone.

Staff from the USGS Pacific Coastal and Marine Science Center Marine Facility engineered a Free Ascent Tripod (FAT) for deployment in deep-sea environments along the Cascadia Subduction Zone.

image related to volcanoes. See description image related to volcanoes. See description
Monthly update of activity at Yellowstone Volcano, March 1, 2023
Monthly update of activity at Yellowstone Volcano, March 1, 2023

Could an external event trigger a Yellowstone eruption? No, says Yellowstone Volcano Observatory’s scientist-in-charge Mike Poland, that’s not how volcanoes work. Most of the pressure that drives a volcano toward eruption comes from within, from the exsolution of gases in the magmatic system.

Could an external event trigger a Yellowstone eruption? No, says Yellowstone Volcano Observatory’s scientist-in-charge Mike Poland, that’s not how volcanoes work. Most of the pressure that drives a volcano toward eruption comes from within, from the exsolution of gases in the magmatic system.

Aerial image shows rocky shoreline along Central California coast Aerial image shows rocky shoreline along Central California coast
Tracking Coastal Change with Photogrammetry
Tracking Coastal Change with Photogrammetry

Monitoring coastal changes is important for the millions of people that live along coasts in the United States, particularly as climate change hastens coastal erosion by raising sea levels and fueling powerful storms.

Monitoring coastal changes is important for the millions of people that live along coasts in the United States, particularly as climate change hastens coastal erosion by raising sea levels and fueling powerful storms.

Aerial image shows rocky shoreline along Central California coast Aerial image shows rocky shoreline along Central California coast
Tracking Coastal Change with Photogrammetry (AD)
Tracking Coastal Change with Photogrammetry (AD)

Monitoring coastal changes is important for the millions of people that live along coasts in the United States, particularly as climate change hastens coastal erosion by raising sea levels and fueling powerful storms.

Monitoring coastal changes is important for the millions of people that live along coasts in the United States, particularly as climate change hastens coastal erosion by raising sea levels and fueling powerful storms.

aerial photo with various patterns and colors aerial photo with various patterns and colors
Liquefaction or liquefiction? Anthropogenic regulation and the influence of evaporite dissolution on ground failure in the 2019 Mw 7.1 Ridgecrest Earthquake and beyond
Liquefaction or liquefiction? Anthropogenic regulation and the influence of evaporite dissolution on ground failure in the 2019 Mw 7.1 Ridgecrest Earthquake and beyond

Optical remote sensing observations of the 2019 Ridgecrest, California, earthquake sequence revealed a significant amount of surface ejecta in the nearby Searles Lake, including one area where the surface ejecta was arranged in a repeating hexagonal “honeycomb” pattern.

Sediment Transport in San Francisco Bay (AD)

The Sacramento and San Joaquin Rivers deliver half the amount of sediment they did 50 years ago to San Francisco Bay. Just as sea-level rise is accelerating, the demand for sediment is growing.

The Sacramento and San Joaquin Rivers deliver half the amount of sediment they did 50 years ago to San Francisco Bay. Just as sea-level rise is accelerating, the demand for sediment is growing.

Sediment Transport in San Francisco Bay

The Sacramento and San Joaquin Rivers deliver half the amount of sediment they did 50 years ago to San Francisco Bay. Just as sea-level rise is accelerating, the demand for sediment is growing.

The Sacramento and San Joaquin Rivers deliver half the amount of sediment they did 50 years ago to San Francisco Bay. Just as sea-level rise is accelerating, the demand for sediment is growing.

Color photograph of lava lake Color photograph of lava lake
HVO’s B1cam shows one day of lava flow activity on the central eastern portion of Halema‘uma‘u crater’s floor on January 7, 2023
HVO’s B1cam shows one day of lava flow activity on the central eastern portion of Halema‘uma‘u crater’s floor on January 7, 2023

This video, captured by the remote B1cam, shows lava erupting from multiple minor fountains (shown as a line of bright spots in the upper left of the video) and the cooling surface of the lava forming crustal plates that move toward the camera’s location.

An early morning overflight image from January 6, 2023 An early morning overflight image from January 6, 2023
An early morning overflight video from January 6, 2023
An early morning overflight video from January 6, 2023

An early morning overflight video from January 6, 2023, shows several areas of low lava fountaining in Kīlauea's Halemaʻumaʻu crater. The island that formed during the opening phase of the 2020 eruption still exists and has not yet been overtopped by lava from the reawakened activity.

An early morning overflight video from January 6, 2023, shows several areas of low lava fountaining in Kīlauea's Halemaʻumaʻu crater. The island that formed during the opening phase of the 2020 eruption still exists and has not yet been overtopped by lava from the reawakened activity.

Color photograph of volcanic vent opening Color photograph of volcanic vent opening
HVO’s B1cam captures the opening moments of the afternoon eruption at Kīlauea Volcano on January 5, 2023
HVO’s B1cam captures the opening moments of the afternoon eruption at Kīlauea Volcano on January 5, 2023

During the early morning hours of January 5, USGS Hawaiian Volcano Observatory scientists were closely monitoring an increase in earthquake activity and changes in the patterns of ground deformation at Kīlauea’s summit, indicating movement of magma in the subsurface.

Color image of lava fountain Color image of lava fountain
KWcam at Kīlauea's summit captures lava fountain within Halemaʻumaʻu crater
KWcam at Kīlauea's summit captures lava fountain within Halemaʻumaʻu crater

This video, captured by the KWcam, shows a large burst of lava from the newly opened vent in Halema‘uma‘u crater, Kīlauea volcano at approximately 4:49 pm HST on January 5, 2023. This burst reached up to 50 meters (164 feet) high and sent a wave of lava across the crater floor.

This video, captured by the KWcam, shows a large burst of lava from the newly opened vent in Halema‘uma‘u crater, Kīlauea volcano at approximately 4:49 pm HST on January 5, 2023. This burst reached up to 50 meters (164 feet) high and sent a wave of lava across the crater floor.

YVO scientist replaces batteries in a temperature logger (Norris Basin) YVO scientist replaces batteries in a temperature logger (Norris Basin)
Monthly update of activity at Yellowstone Volcano for Jan 1, 2023
Monthly update of activity at Yellowstone Volcano for Jan 1, 2023

Mike Poland, scientist-in-charge of the Yellowstone Volcano Observatory, provides an overview of 2022 events and December activity in this monthly update for January 1, 2023. 

Earthquake Event Page thumbnail Earthquake Event Page thumbnail
The USGS Earthquake Event Page – Natural Hazards Mission Area
The USGS Earthquake Event Page – Natural Hazards Mission Area

The USGS Natural Hazards Mission Area develops and applies hazard science to help promote the safety, security, and economic well-being of the Nation. The Earthquake Event Page consolidates USGS earthquake data on recent or historic earthquakes.

The USGS Natural Hazards Mission Area develops and applies hazard science to help promote the safety, security, and economic well-being of the Nation. The Earthquake Event Page consolidates USGS earthquake data on recent or historic earthquakes.

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