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The USGS is a science organization that provides impartial information on the health of our ecosystems and environment, the natural hazards that threaten us, the natural resources we rely on, the impacts of climate and land-use change, and the core science systems that help us provide timely, relevant, and useable information.

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Misty mountains, overlaid with a photo of a smiling white woman with chin-length blond hair wearing glasses. Climate Science Champions Season 3: Mari-Vaughn Johnson, Center Director
Climate Science Champions Season 3: Mari-Vaughn Johnson, Center Director
Climate Science Champions Season 3: Mari-Vaughn Johnson, Center Director

As the leader of the Pacific Islands Climate Adaptation Science Center, Mari-Vaughn Johnson brings USGS science to communities in the Pacific Islands, her ohana, to help address the unique climate challenges in their region. 

As the leader of the Pacific Islands Climate Adaptation Science Center, Mari-Vaughn Johnson brings USGS science to communities in the Pacific Islands, her ohana, to help address the unique climate challenges in their region. 

Misty mountains, overlaid with a headshot of a smiling white man with brown hair. Climate Science Champions Season 3: Owen McKenna, Research Ecologist
Climate Science Champions Season 3: Owen McKenna, Research Ecologist
Climate Science Champions Season 3: Owen McKenna, Research Ecologist

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.  

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.  

Background of coral reefs beneath waves. Overlaid photo of a smiling Asian woman with long black hair wearing a USGS lifevest Climate Science Champions Season 3: Renee Takesue, Research Geochemist
Climate Science Champions Season 3: Renee Takesue, Research Geochemist
Climate Science Champions Season 3: Renee Takesue, Research Geochemist

Research Geochemist Renee Takesue combines geology and chemistry to shed light on how chemical components from natural and human-made sources make their way into coastal environments. 

Research Geochemist Renee Takesue combines geology and chemistry to shed light on how chemical components from natural and human-made sources make their way into coastal environments. 

Cover image for Climate Science Champions series Climate Science Champions: Introduction
Climate Science Champions: Introduction
Climate Science Champions: Introduction

From volcanologists to oceanographers, biologists to paleontologists, the U.S. Geological Survey employs thousands of scientists across the Earth sciences. Each has a unique role in supporting the bureau’s mission of providing “science that matters” to the American people.

From volcanologists to oceanographers, biologists to paleontologists, the U.S. Geological Survey employs thousands of scientists across the Earth sciences. Each has a unique role in supporting the bureau’s mission of providing “science that matters” to the American people.

screenshot of the beginning of the iow brunt ice shelf video Image of the Week: A New Iceberg at Brunt
Image of the Week: A New Iceberg at Brunt
Image of the Week: A New Iceberg at Brunt

An iceberg the size of Houston broke from the Brunt Ice Shelf Antarctica on January 22nd, 2023. Landsat images show the area one day before the break and several days after. A feature named Chasm One had been lengthening for years, and it finally reached all the way across the shelf.

An iceberg the size of Houston broke from the Brunt Ice Shelf Antarctica on January 22nd, 2023. Landsat images show the area one day before the break and several days after. A feature named Chasm One had been lengthening for years, and it finally reached all the way across the shelf.

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
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 polar bear USGS Alaska Science Center Polar Bear Research Program
USGS Alaska Science Center Polar Bear Research Program
USGS Alaska Science Center Polar Bear Research Program

The USGS Alaska Science Center leads long–term research on polar bears to inform local, state, national and international policy makers regarding conservation of the species and its habitat.

The USGS Alaska Science Center leads long–term research on polar bears to inform local, state, national and international policy makers regarding conservation of the species and its habitat.

thumbnail of image of the week video Image of the Week - Cheyenne Bottoms Dries Out
Image of the Week - Cheyenne Bottoms Dries Out
Image of the Week - Cheyenne Bottoms Dries Out

Cheyenne Bottoms is the largest inland wetland in the United States. Water normally diverts from rivers into the vast marshland. The wetland water level changes with precipitation and surface flows. For example, 2007 was a wet year. And 2013 was a dry year.

Cheyenne Bottoms is the largest inland wetland in the United States. Water normally diverts from rivers into the vast marshland. The wetland water level changes with precipitation and surface flows. For example, 2007 was a wet year. And 2013 was a dry year.

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
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.

Thumbnail for Feb. 2023 Public Lecture opening slide PubTalk-02/2023: Behind the Headlines of a Wildlife Disease Die-off
PubTalk-02/2023: Behind the Headlines of a Wildlife Disease Die-off
PubTalk-02/2023: Behind the Headlines of a Wildlife Disease Die-off

Behind the Headlines of a Wildlife Disease Die-off

The how and why of wildlife disease investigation 

By Dr. Kimberli Miller, Wildlife Disease Specialist 

USGS National Wildlife Health Center

Behind the Headlines of a Wildlife Disease Die-off

The how and why of wildlife disease investigation 

By Dr. Kimberli Miller, Wildlife Disease Specialist 

USGS National Wildlife Health Center

Color photograph of lava lake February 14, 2023 — Continued lava lake activity at Kīlauea summit
February 14, 2023 — Continued lava lake activity at Kīlauea summit
February 14, 2023 — Continued lava lake activity at Kīlauea summit

Lava lake activity within Halema‘uma‘u crater, at the summit of Kīlauea, continues. On February 14, low fountaining was present at the central vent, which was supplying lava into a channel that flowed towards the large eastern lake. 

Lava lake activity within Halema‘uma‘u crater, at the summit of Kīlauea, continues. On February 14, low fountaining was present at the central vent, which was supplying lava into a channel that flowed towards the large eastern lake. 

Image of early morning Sediment Transport Fieldwork in San Francisco Bay Sediment Transport in San Francisco Bay
Sediment Transport in San Francisco Bay
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.

thumbnail turkey earthquake press conference Earthquake Activity in Turkey and Syria [Press Briefing]
Earthquake Activity in Turkey and Syria [Press Briefing]
Earthquake Activity in Turkey and Syria [Press Briefing]

On February 6, around 4:15 a.m. local time, a magnitude 7.8 earthquake struck south-central Turkey near the Turkey/Syria border.

Bison at Dragon's Mouth Spring, Yellowstone National Park Monthly update of activity at Yellowstone Volcano for Feb 1, 2023
Monthly update of activity at Yellowstone Volcano for Feb 1, 2023
Monthly update of activity at Yellowstone Volcano for Feb 1, 2023

Winter has arrived in the Yellowstone region. The deep snow and cold temperatures are harsh for animals, harsh for humans, and also harsh for volcano monitoring equipment.

Winter has arrived in the Yellowstone region. The deep snow and cold temperatures are harsh for animals, harsh for humans, and also harsh for volcano monitoring equipment.

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
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.

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.

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
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.

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 photograph of eruption in crater KWcam at Kīlauea's summit captures eruption within Halemaʻumaʻu crater
KWcam at Kīlauea's summit captures eruption within Halemaʻumaʻu crater
KWcam at Kīlauea's summit captures eruption within Halemaʻumaʻu crater

Kīlauea volcano began erupting in Halema‘uma‘u crater around 4:34 pm HST on January 5, 2023, as captured in this KWcam video. Within hours, multiple dome fountains were active in the central-eastern portion of Halema‘uma‘u crater’s floor. There were several large bursts of lava from the newly opened vent.

Kīlauea volcano began erupting in Halema‘uma‘u crater around 4:34 pm HST on January 5, 2023, as captured in this KWcam video. Within hours, multiple dome fountains were active in the central-eastern portion of Halema‘uma‘u crater’s floor. There were several large bursts of lava from the newly opened vent.

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
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.

water crashing over a dam spillway High flow at USGS streamgage 11172945 on Alameda Creek, California
High flow at USGS streamgage 11172945 on Alameda Creek, California
High flow at USGS streamgage 11172945 on Alameda Creek, California

High flows at streamgage 11172945 (Alameda Creek above Div Dam near Sunol, California) were captured by USGS hydrologic technician Louis Cannarozzi on 12/31/2022. Heavy precipitation caused higher-than-normal streamflow in many areas as an atmospheric river moved through northern California.

High flows at streamgage 11172945 (Alameda Creek above Div Dam near Sunol, California) were captured by USGS hydrologic technician Louis Cannarozzi on 12/31/2022. Heavy precipitation caused higher-than-normal streamflow in many areas as an atmospheric river moved through northern California.

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
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. 

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. 

Logo with title and image of Earth on its axis Image of the Week - Landsat and Our Tilted Planet
Image of the Week - Landsat and Our Tilted Planet
Image of the Week - Landsat and Our Tilted Planet

We wouldn't have seasons here on Earth if not for the planet's 23.5 degree axial tilt. Axial tilt is also known as obliquity. Earth's obliquity and its relationship with the sun give us two solstice points and two equinox points. As we orbit through each solstice and equinox, the amount and angle of daylight change.

We wouldn't have seasons here on Earth if not for the planet's 23.5 degree axial tilt. Axial tilt is also known as obliquity. Earth's obliquity and its relationship with the sun give us two solstice points and two equinox points. As we orbit through each solstice and equinox, the amount and angle of daylight change.

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