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Volcano Hazard Program images.

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Early morning glow from Overlook vent in Halema‘uma‘u Crater, Kīlau...
Early morning glow from Overlook vent in Halema‘uma‘u, Kīlauea
Early morning glow from Overlook vent in Halema‘uma‘u, Kīlauea
Hydrothermal explosion at Biscuit Basin in Yellowstone National Par...
Hydrothermal explosion at Biscuit Basin in YNP. These types of even...
Hydrothermal explosion at Biscuit Basin in YNP. These types of even...
Hydrothermal explosion at Biscuit Basin in YNP. These types of even...

Hydrothermal explosion at Biscuit Basin in Yellowstone National Park. These types of events are the most likely explosive hazard from the Yellowstone Volcano.

image related to volcanoes. See description
HVO field crews collect temperature data on ground cracks in the Leilani Estates
HVO field crews collect temperature data on ground cracks in the Leilani Estates
HVO field crews collect temperature data on ground cracks in the Leilani Estates

HVO field crews collect temperature data on ground cracks in the Leilani Estates subdivision near the fissure complex. On this day, temperatures ranged from from 100 to 145 degrees C (200 to 300 degrees F), consistent with past readings.

HVO field crews collect temperature data on ground cracks in the Leilani Estates subdivision near the fissure complex. On this day, temperatures ranged from from 100 to 145 degrees C (200 to 300 degrees F), consistent with past readings.

A view of the Island of Hawai‘i from the Space Shuttle Atlantis in ...
Island of Hawai‘i from the Space Shuttle Atlantis in 2009 shows Kīl...
Island of Hawai‘i from the Space Shuttle Atlantis in 2009 shows Kīl...
Island of Hawai‘i from the Space Shuttle Atlantis in 2009 shows Kīl...

The summit plume from Halema‘uma‘u Crater (elevation 3,670 feet), hugs the southeast flank of Mauna Loa as it is blown by the northeasterly trade winds toward the southern point of the Island of Hawai‘i.

The summit plume from Halema‘uma‘u Crater (elevation 3,670 feet), hugs the southeast flank of Mauna Loa as it is blown by the northeasterly trade winds toward the southern point of the Island of Hawai‘i.

Image: Lava Enters The Ocean At Kilauea Volcano, Hawai'i
Lava Enters The Ocean At Kilauea Volcano, Hawai'i
Lava Enters The Ocean At Kilauea Volcano, Hawai'i
Image: Equipment Installation
Equipment Installation
Equipment Installation
Equipment Installation

Cyrus Read installing the new, zoomable web camera at the AVO research hut north of Redoubt Volcano.

Cyrus Read installing the new, zoomable web camera at the AVO research hut north of Redoubt Volcano.

Redoubt Volcano viewed from the northwest following the April 4, 2009 eruption (Event 19). Steam rises from the summit crater, p
Redoubt Volcano viewed from the northwest following the April 4, 2009 eruption
Redoubt Volcano viewed from the northwest following the April 4, 2009 eruption
Redoubt Volcano viewed from the northwest following the April 4, 2009 eruption

Redoubt Volcano viewed from the northwest following the April 4, 2009 eruption (Event 19). Steam rises from the summit crater, pyroclastic flow and surge deposits drape the flanks, and lahar deposits cover the Drift River Valley. 

Redoubt Volcano viewed from the northwest following the April 4, 2009 eruption (Event 19). Steam rises from the summit crater, pyroclastic flow and surge deposits drape the flanks, and lahar deposits cover the Drift River Valley. 

Image: Ash Collection
Ash Collection
Ash Collection
Ash Collection

Fieldwork northeast of Redoubt volcano. Kristi Wallace measuring and collecting ash samples from the current eruption.

 

Fieldwork northeast of Redoubt volcano. Kristi Wallace measuring and collecting ash samples from the current eruption.

 

Redoubt volcano with minor ash eruption. Photograph taken during o...
Redoubt volcano with minor ash eruption. Photograph taken during o...
Redoubt volcano with minor ash eruption. Photograph taken during o...
Redoubt volcano with minor ash eruption. Photograph taken during o...

Redoubt volcano with minor ash eruption. Photograph taken during observation and gas data collection flight by AVO staff March 30, 2009.

A sign reads, "Redoubt is active be prepared."
Sign at Nikiski Fire Department on March 28, 2009
Sign at Nikiski Fire Department on March 28, 2009
Sign at Nikiski Fire Department on March 28, 2009

Community engagement and emergency preparedness can mitigate exposure to volcanic events.  Sign at Nikiski Fire Department on March 28, 2009. Ash fall up to a millimeter thick from Redoubt Volcano occurred twice during the 2009 eruption on this area. AVO photo.

Community engagement and emergency preparedness can mitigate exposure to volcanic events.  Sign at Nikiski Fire Department on March 28, 2009. Ash fall up to a millimeter thick from Redoubt Volcano occurred twice during the 2009 eruption on this area. AVO photo.

Image: Emergency Preparedness in Alaska
Emergency Preparedness in Alaska
Emergency Preparedness in Alaska
Emergency Preparedness in Alaska

Nikiski Fire Department on March 28, 2009. Ash fall up to a millimeter thick from Redoubt volcano occurred twice during the 2009 eruption on this area (March 26 and March 28). 

 

Nikiski Fire Department on March 28, 2009. Ash fall up to a millimeter thick from Redoubt volcano occurred twice during the 2009 eruption on this area (March 26 and March 28). 

 

Image: Thermal Image of Halema'uma'u Crater
Thermal Image of Halema'uma'u Crater
Thermal Image of Halema'uma'u Crater
Thermal Image of Halema'uma'u Crater

This thermal image (white is hot, dark blue is cold), taken during today's helicopter overflight, shows the current vent configuration at Halema`uma`u crater. The vent cavity is about 130 meters (430 ft) wide, and has consumed portions of the wall and floor of Halema`uma`u crater.

This thermal image (white is hot, dark blue is cold), taken during today's helicopter overflight, shows the current vent configuration at Halema`uma`u crater. The vent cavity is about 130 meters (430 ft) wide, and has consumed portions of the wall and floor of Halema`uma`u crater.

Image: Installing Antenna and Solar Panel for Seismic Station
Installing Antenna and Solar Panel for Seismic Station
Installing Antenna and Solar Panel for Seismic Station
Installing Antenna and Solar Panel for Seismic Station

With funding from the American Recovery and Reinvestment Act of 2009, The USGS Hawaiian Volcano Observatory recently upgraded its seismic monitoring network.  Here, HVO staff, assisted by an HVO volunteer, installs the solar panel and antenna for one of the upgraded seismic stations on Kīlauea.

With funding from the American Recovery and Reinvestment Act of 2009, The USGS Hawaiian Volcano Observatory recently upgraded its seismic monitoring network.  Here, HVO staff, assisted by an HVO volunteer, installs the solar panel and antenna for one of the upgraded seismic stations on Kīlauea.

Color photograph of scientist
USGS Hawaiian Volcano Observatory geologist Janet Babb
USGS Hawaiian Volcano Observatory geologist Janet Babb
USGS Hawaiian Volcano Observatory geologist Janet Babb

The degassing lava lake within Halema‘uma‘u at the summit of Kīlauea was a fitting backdrop in 2009 for USGS Hawaiian Volcano Observatory geologist Janet Babb, who later co-produced a video about the summit eruption.

The degassing lava lake within Halema‘uma‘u at the summit of Kīlauea was a fitting backdrop in 2009 for USGS Hawaiian Volcano Observatory geologist Janet Babb, who later co-produced a video about the summit eruption.

Image: USGS and President of Tanzania
USGS and President of Tanzania
USGS and President of Tanzania
USGS and President of Tanzania

USGS Volcano Disaster Assistance Program Representative (VDAP) Gari Mayberry presents the draft VDAP report to President Kikwete of Tanzania with the Charge d'Affairs Larry Andre.

USGS Volcano Disaster Assistance Program Representative (VDAP) Gari Mayberry presents the draft VDAP report to President Kikwete of Tanzania with the Charge d'Affairs Larry Andre.

Ol Doinyo Lengai Volcano, Tanzania
Ol Doinyo Lengai Volcano, Tanzania
Ol Doinyo Lengai Volcano, Tanzania
Ol Doinyo Lengai Volcano, Tanzania

The village of Naiyobi, about 8 km (5 mi) from the summit of Ol Doinyo Lengai Volcano.

The village of Naiyobi, about 8 km (5 mi) from the summit of Ol Doinyo Lengai Volcano.

Image: Trees Buried in Volcanic Sediment,  Sandy River 1
Trees Buried in Volcanic Sediment, Sandy River 1
Trees Buried in Volcanic Sediment, Sandy River 1
Trees Buried in Volcanic Sediment, Sandy River 1

Trunks of forest trees, initially growing on a terrace above the Sandy River (Oregon) at Oxbow Regional Park, were buried by rapid deposition of sediment following a dome-building eruption at Mount Hood in 1781. Erosion during a flood about a week before the photo was taken exposed this "ghost forest".  

Trunks of forest trees, initially growing on a terrace above the Sandy River (Oregon) at Oxbow Regional Park, were buried by rapid deposition of sediment following a dome-building eruption at Mount Hood in 1781. Erosion during a flood about a week before the photo was taken exposed this "ghost forest".  

Image: Trees Buried in Volcanic Sediment,  Sandy River 2
Trees Buried in Volcanic Sediment, Sandy River 2
Trees Buried in Volcanic Sediment, Sandy River 2
Trees Buried in Volcanic Sediment, Sandy River 2

Trunks of forest trees, initially growing on a terrace above the Sandy River (Oregon) at Oxbow Regional Park, were buried by rapid deposition of sediment following a dome-building eruption at Mount Hood in 1781. Erosion during a flood about a week before the photo was taken exposed this "ghost forest".  

Trunks of forest trees, initially growing on a terrace above the Sandy River (Oregon) at Oxbow Regional Park, were buried by rapid deposition of sediment following a dome-building eruption at Mount Hood in 1781. Erosion during a flood about a week before the photo was taken exposed this "ghost forest".  

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