USGS engineering tech Rachel Marcuson (left) and research geophysicist Nathan Miller prepare the seismic streamer for deployment offshore northern Cascadia.
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Preparing the seismic streamer
USGS engineering tech Rachel Marcuson (left) and research geophysicist Nathan Miller prepare the seismic streamer for deployment offshore northern Cascadia.
Surfing the Green Wave
Mule deer are an important part of the Western landscape and are coveted among big-game hunters throughout the country. These animals draw outdoor enthusiasts to states, such as Wyoming, where nearly 800,000 people hunted, fished, and viewed wildlife, and contributed \$1.1 billion to the state’s economy.
Mule deer are an important part of the Western landscape and are coveted among big-game hunters throughout the country. These animals draw outdoor enthusiasts to states, such as Wyoming, where nearly 800,000 people hunted, fished, and viewed wildlife, and contributed \$1.1 billion to the state’s economy.
The GeoGirls Create Field Drawings
The GeoGirls create field drawings of 1980 pyroclastic flow deposits on Mount St. Helens’ Pumice Plain.
The GeoGirls create field drawings of 1980 pyroclastic flow deposits on Mount St. Helens’ Pumice Plain.
The GeoGirls Visit a Volcano Monitoring Station at Mount St. Helens
The GeoGirls Visit a Volcano Monitoring Station at Mount St. HelensThe GeoGirls visit a volcano monitoring station on the east side of Mount St. Helens, finding out how scientists use different monitoring methods (seismic, GPS, tiltmeter) to understand more about the volcano.
The GeoGirls Visit a Volcano Monitoring Station at Mount St. Helens
The GeoGirls Visit a Volcano Monitoring Station at Mount St. HelensThe GeoGirls visit a volcano monitoring station on the east side of Mount St. Helens, finding out how scientists use different monitoring methods (seismic, GPS, tiltmeter) to understand more about the volcano.
August 4 field observations of Halema‘uma‘u
This video shows steaming from the main pond of water at the bottom of Halema‘uma‘u as captured on Sunday, August 4. Two smaller areas of ponded water were present a short distance east of this spot. Thermal images indicate that the water surface is roughly 70 degrees Celsius (158 degrees Fahrenheit). USGS video by M. Patrick, 08-04-2019.
This video shows steaming from the main pond of water at the bottom of Halema‘uma‘u as captured on Sunday, August 4. Two smaller areas of ponded water were present a short distance east of this spot. Thermal images indicate that the water surface is roughly 70 degrees Celsius (158 degrees Fahrenheit). USGS video by M. Patrick, 08-04-2019.
GeoGirls Venture into Ape Cave
GeoGirls venture into Ape Cave, a 2,000-year-old lava tube on the south flank of Mount St. Helens, as they learn about Mount St. Helens’ eruptive history and lava flows.
GeoGirls venture into Ape Cave, a 2,000-year-old lava tube on the south flank of Mount St. Helens, as they learn about Mount St. Helens’ eruptive history and lava flows.
GeoGirls Venture into Ape Cave II
GeoGirls venture into Ape Cave, a 2,000-year-old lava tube on the south flank of Mount St. Helens, as they learn about Mount St. Helens’ eruptive history and lava flows.
GeoGirls venture into Ape Cave, a 2,000-year-old lava tube on the south flank of Mount St. Helens, as they learn about Mount St. Helens’ eruptive history and lava flows.
Mammoth Mountain
View of the Mammoth Mountain lava dome complex overlooking Horseshoe Lake.
View of the Mammoth Mountain lava dome complex overlooking Horseshoe Lake.
Processing multi-channel seismic data
USGS scientist Pat Hart processing MCS data onboard the R/V Rachel Carson.
USGS scientist Pat Hart processing MCS data onboard the R/V Rachel Carson.
Altered southern wall of Kīlauea Caldera
Wide angle view of the southern wall of Kīlauea caldera, where there was previously a sulfer rich and highly altered area. The collapse events of 2018 created this exposeure that is approximately 100 m (300 ft) tall, whereas before 2018, the altered area was only exposed for a couple of vertical meters (yards).
Wide angle view of the southern wall of Kīlauea caldera, where there was previously a sulfer rich and highly altered area. The collapse events of 2018 created this exposeure that is approximately 100 m (300 ft) tall, whereas before 2018, the altered area was only exposed for a couple of vertical meters (yards).
Falls Park - Sioux Falls, SD
Nature always displays vibrant colors. It is only a matter of time until you get the chance to witness its beauty. Even more difficult is capturing this beauty through the lens. Here, we see the magnificent beauty of the falls on the Big Sioux River, from which Sioux Falls, SD takes its name, showing the vibrant colors of nature just before sunset.
Nature always displays vibrant colors. It is only a matter of time until you get the chance to witness its beauty. Even more difficult is capturing this beauty through the lens. Here, we see the magnificent beauty of the falls on the Big Sioux River, from which Sioux Falls, SD takes its name, showing the vibrant colors of nature just before sunset.
HVO technician performing routine maintenance
Helicopter telephoto zoom of HVO technician performing routine maintenance on a web camera during yesterday's overflight.
Helicopter telephoto zoom of HVO technician performing routine maintenance on a web camera during yesterday's overflight.
Aerial visible and thermal images of the new extension of the Tern Lake thermal
Aerial visible and thermal images of the new extension of the Tern Lake thermalLeft: Aerial view of the new extension of the Tern Lake thermal area looking southwest. Note the steam in the central part of the image. Right: FLIR (Forward Looking InfraRed) image of the thermal area, with the field of view indicated by the red box in the visible aerial view. Warmest areas are bright white/yellow, while cooler areas are purple.
Aerial visible and thermal images of the new extension of the Tern Lake thermal
Aerial visible and thermal images of the new extension of the Tern Lake thermalLeft: Aerial view of the new extension of the Tern Lake thermal area looking southwest. Note the steam in the central part of the image. Right: FLIR (Forward Looking InfraRed) image of the thermal area, with the field of view indicated by the red box in the visible aerial view. Warmest areas are bright white/yellow, while cooler areas are purple.
Data Collection Platform
Data Collection Platform (DCP) setup at a private well monitoring site.
Data Collection Platform (DCP) setup at a private well monitoring site.
Determining Land Change Display
An interactive display at the USGS Earth Resources Observation and Science Center highlighting land change research.
An interactive display at the USGS Earth Resources Observation and Science Center highlighting land change research.
Determining Land Change Display with Viewers
Viewers look through several years of change in an interactive display at the USGS Earth Resources Observation and Science Center.
Viewers look through several years of change in an interactive display at the USGS Earth Resources Observation and Science Center.
Easter Wall of Pu‘u ‘Ō‘ō
Today's noticed overflight a recently exposed feature of a hole with a smoother slope descending below it in the eastern wall of Pu‘u ‘Ō‘ō. It is unclear if this is simply a rockfall/collapse feature with a debris slope or part of the conduit that fed episode 61 activity.
Today's noticed overflight a recently exposed feature of a hole with a smoother slope descending below it in the eastern wall of Pu‘u ‘Ō‘ō. It is unclear if this is simply a rockfall/collapse feature with a debris slope or part of the conduit that fed episode 61 activity.
Overflight of Kīlauea summit
Clear weather afforded good views of the water pond in Halema‘uma‘u. No major changes were observed in the pond, but it continues to slowly rise. The water surface was steaming, and had a temperature of approximately 70 degrees C (158 degrees F). For scale, the pond is about 70 meters (230 feet) long.
Clear weather afforded good views of the water pond in Halema‘uma‘u. No major changes were observed in the pond, but it continues to slowly rise. The water surface was steaming, and had a temperature of approximately 70 degrees C (158 degrees F). For scale, the pond is about 70 meters (230 feet) long.
Requirements for the Contracted-Opening Method
This video discusses the general requirements that will be needed to accomplish a contracted-opening indirect discharge measurement. Approach section, contracted section, and necessary high-water mark locations are described along with scenarios where the method will not be successful.
This video discusses the general requirements that will be needed to accomplish a contracted-opening indirect discharge measurement. Approach section, contracted section, and necessary high-water mark locations are described along with scenarios where the method will not be successful.
Zoom of Eastern Wall of Pu‘u ‘Ō‘ō
Telephoto zoom on the feature in the east wall of Pu‘u ‘Ō‘ō.
Telephoto zoom on the feature in the east wall of Pu‘u ‘Ō‘ō.
Aerial view of Halema‘uma‘u at the summit of Kīlauea
Aerial view of Halema‘uma‘u at the summit of KīlaueaAerial view of Halema‘uma‘u at the summit of Kīlauea taken during a USGS Hawaiian Volcano Observatory helicopter overflight on August 1, 2019. The small green patch visible at the bottom of Halema‘uma‘u is a new pond forming at the lowest point of the crater. The pond is at about 525 m (about 1722 ft) elevation.
Aerial view of Halema‘uma‘u at the summit of Kīlauea
Aerial view of Halema‘uma‘u at the summit of KīlaueaAerial view of Halema‘uma‘u at the summit of Kīlauea taken during a USGS Hawaiian Volcano Observatory helicopter overflight on August 1, 2019. The small green patch visible at the bottom of Halema‘uma‘u is a new pond forming at the lowest point of the crater. The pond is at about 525 m (about 1722 ft) elevation.