The Moderate Resolution Imaging Spectroradiometer (MODIS) sensor is located aboard NASA’s Terra and Aqua satellites. The Visible Infrared Imaging Radiometer Suite (VIIRS) sensor is aboard the Suomi National Polar-orbiting Partnership (S-NPP) satellite.
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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.
Yellowstone Monthly Updates
Yellowstone Monthly Updates
Learn about interesting stories of Yellowstone, and the past month's volcanic activity from Mike Poland, Scientist-in-Charge at the Yellowstone Volcano Observatory (YVO).
Sounds of Yellowstone
Sounds of Yellowstone
The USGS Sounds of Yellowstone series lets you listen to the natural sounds of geysers, hot springs, and mudpots found through Yellowstone National Park in Wyoming, USA.
Image of the Week
Image of the Week
A weekly series from the USGS Earth Resources Observation and Science (EROS) Center highlighting satellite image(s) featuring striking changes to the Earth's surface.
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Terra MODIS & S-NPP VIIRS Observe Snowpack in Sierra Nevada Mt. Range
The Moderate Resolution Imaging Spectroradiometer (MODIS) sensor is located aboard NASA’s Terra and Aqua satellites. The Visible Infrared Imaging Radiometer Suite (VIIRS) sensor is aboard the Suomi National Polar-orbiting Partnership (S-NPP) satellite.
Image of the Week - Tides in the Bay of Fundy
The Bay of Fundy in Canada has a unique geography funneling the Atlantic Ocean into some of the world's highest tides. At some points the water level can rise and fall over forty feet. The water's edge at Minas Basin shown in these Landsat 8 images changes dramatically depending on the day and time.
The Bay of Fundy in Canada has a unique geography funneling the Atlantic Ocean into some of the world's highest tides. At some points the water level can rise and fall over forty feet. The water's edge at Minas Basin shown in these Landsat 8 images changes dramatically depending on the day and time.
CVO Monitoring Program: Keeping an Eye on Cascade Volcanoes
The good news is that volcanoes usually change behavior before they erupt, in ways that are detectable by monitoring instruments.
The good news is that volcanoes usually change behavior before they erupt, in ways that are detectable by monitoring instruments.
USGS Ecosystem Research
The U.S. Geological Survey is the science research agency for the U.S. Department of the Interior. We conduct research on the natural hazards that threaten lives and livelihoods around the country.
By
The U.S. Geological Survey is the science research agency for the U.S. Department of the Interior. We conduct research on the natural hazards that threaten lives and livelihoods around the country.
By
U.S. River Conditions, January to March 2021
This is an animation showing the changing conditions of USGS streamgages from January 1, 2021 to March 31, 2021. The river conditions shown range from the driest condition seen at a gage (red open circles) to the wettest (blue closed circles). A purple outer ring around a gage indicates it is flooding.
This is an animation showing the changing conditions of USGS streamgages from January 1, 2021 to March 31, 2021. The river conditions shown range from the driest condition seen at a gage (red open circles) to the wettest (blue closed circles). A purple outer ring around a gage indicates it is flooding.
YVO Update: Activity at Yellowstone and Volcanoes of Desert Southwest
There are thousands of volcanic features distributed throughout the southwest United States, which are grouped together in volcanic fields. The Yellowstone Volcano Observatory monitors these volcanoes using a combination of techniques.
There are thousands of volcanic features distributed throughout the southwest United States, which are grouped together in volcanic fields. The Yellowstone Volcano Observatory monitors these volcanoes using a combination of techniques.
Image of the Week: Mudslide Cuts Through Big Sur Burn Scar
A mudslide near the 2020 Dolan Fire's ignition point chopped through a chunk of California's scenic State Highway 1 in late January.
The Dolan Fire began near Big Sur on August 18th, 2020. It scarred nearly 125,000 acres before being fully contained in December.
A mudslide near the 2020 Dolan Fire's ignition point chopped through a chunk of California's scenic State Highway 1 in late January.
The Dolan Fire began near Big Sur on August 18th, 2020. It scarred nearly 125,000 acres before being fully contained in December.
Landsat in the Cloud: LandsatLook 2.0
With existing USGS tools you can search for scenes, view thumbnail browse images of scenes, and download scene-based data, all derived from the USGS archive of scene-based products. Now that Landsat scene data has been unpacked and stored in the cloud, LandsatLook 2.0 can access that data and present it to users in ways that were not previously possible.
With existing USGS tools you can search for scenes, view thumbnail browse images of scenes, and download scene-based data, all derived from the USGS archive of scene-based products. Now that Landsat scene data has been unpacked and stored in the cloud, LandsatLook 2.0 can access that data and present it to users in ways that were not previously possible.
Red-Legged Frog Tadpoles Explore Their New Home
This video provides background on and shows the release of California red-legged frog tadpoles into a pond in San Diego County, CA on March 31, 2021.
This video provides background on and shows the release of California red-legged frog tadpoles into a pond in San Diego County, CA on March 31, 2021.
Kīlauea Volcano — Halema‘uma‘u Lava Lake Inlet (March 30, 2021)
The lava lake remains active in Halema‘uma‘u Crater, at the summit of Kīlauea. This video shows the inlet where lava from the western fissure is supplied to the lake. The motion of the lava stream is sluggish, and this video is shown at 20x speed.
The lava lake remains active in Halema‘uma‘u Crater, at the summit of Kīlauea. This video shows the inlet where lava from the western fissure is supplied to the lake. The motion of the lava stream is sluggish, and this video is shown at 20x speed.
PubTalk 3/2021 - A Jaguar's Field of Dreams
Title: A Jaguar's Field of Dreams - If you build it, they will come (& other lessons from the U.S. - Mexico border) By: Laura M.
Title: A Jaguar's Field of Dreams - If you build it, they will come (& other lessons from the U.S. - Mexico border) By: Laura M.
Volcano Hazard Maps: Past, Present, and Future
Throughout most of human existence, we haven't known much about how volcanoes work. Because of their immense power, they have terrified and fascinated us, and remain places of great spiritual importance for many people. The lack of knowledge about volcanoes has sometimes resulted in tragic and deadly disasters.
Throughout most of human existence, we haven't known much about how volcanoes work. Because of their immense power, they have terrified and fascinated us, and remain places of great spiritual importance for many people. The lack of knowledge about volcanoes has sometimes resulted in tragic and deadly disasters.
Digitize an Analog Map With GeMS, Part B1
Digitize an Analog Map With GeMS, Part B1 - How to create an empty GeMS geodatabase in ArcMap, digitize contacts from a scanned geologic map, and create map unit polygons.
Digitize an Analog Map With GeMS, Part B1 - How to create an empty GeMS geodatabase in ArcMap, digitize contacts from a scanned geologic map, and create map unit polygons.
Digitize an Analog Map With GeMS, Part B2
Digitize an Analog Map With GeMS, Part B2 - Digitize orientation points and check topology.
Digitize an Analog Map With GeMS, Part B2 - Digitize orientation points and check topology.
Digitize an Analog Map With GeMS, Part B3
Digitize an Analog Map With GeMS, Part B3 - How to complete nonspatial tables, validate a GeMS database, and symbolize features.
Digitize an Analog Map With GeMS, Part B3 - How to complete nonspatial tables, validate a GeMS database, and symbolize features.
Getting Started With GeMS, Part A
Getting Started With GeMS, Part A - An introduction to the GeMS schema, the GeMS Tools ArcGIS toolbox, and how to prepare ArcMap for digitizing.
Getting Started With GeMS, Part A - An introduction to the GeMS schema, the GeMS Tools ArcGIS toolbox, and how to prepare ArcMap for digitizing.
Translate a Digital Map With GeMS, Part C1
Translate a Digital Map With GeMS, Part C1 - How to load map unit polygons, lines, and cross section data from another schema to GeMS.
Translate a Digital Map With GeMS, Part C1 - How to load map unit polygons, lines, and cross section data from another schema to GeMS.
Translate a Digital Map With GeMS, Part C2
Translate a Digital Map With GeMS, Part C2 - How to translate point features and non-spatial information from another schema to GeMS
Translate a Digital Map With GeMS, Part C2 - How to translate point features and non-spatial information from another schema to GeMS
Earth As Art 1
The Earth As Art project began in the early 2000s, and its original intent remains the same: to produce images that do not look like satellite images at first glance.
The Earth As Art project began in the early 2000s, and its original intent remains the same: to produce images that do not look like satellite images at first glance.
Earth As Art 1 (AD)
The Earth As Art project began in the early 2000s, and its original intent remains the same: to produce images that do not look like satellite images at first glance.
The Earth As Art project began in the early 2000s, and its original intent remains the same: to produce images that do not look like satellite images at first glance.
The Volcano Disaster Assistance Program in 2021
The Volcano Disaster Assistance Program (VDAP) is a team of USGS scientists funded by USAID and the USGS Volcano Hazards Program to help volcano observatories around the world.
The Volcano Disaster Assistance Program (VDAP) is a team of USGS scientists funded by USAID and the USGS Volcano Hazards Program to help volcano observatories around the world.