On October 12, 2008, an explosive eruption, shown in this video, blasted lithic and juvenile tephra onto the Halema'uma'u crater rim 85 meters (280 feet) above the informally-named Overlook vent (see http://hvo.wr.usgs.gov/kilauea/timeline/ for links describing eruptive activity at the summit of Kilauea Volcano)
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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.
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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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Halema'uma'u Explosive Eruption (October 12, 2008)
On October 12, 2008, an explosive eruption, shown in this video, blasted lithic and juvenile tephra onto the Halema'uma'u crater rim 85 meters (280 feet) above the informally-named Overlook vent (see http://hvo.wr.usgs.gov/kilauea/timeline/ for links describing eruptive activity at the summit of Kilauea Volcano)
Halema`uma`u ash-rich pulse
movie (x3 speed) shows an ash event from the vent in Halema`uma`u, occurring at 3:54 pm. The normally white degassing plume is rapidly overwhelmed with a vigorous ash-rich pulse that rises rapidly from the vent. Red flashes above the vent indicate hot, incandescent material being ejected.
movie (x3 speed) shows an ash event from the vent in Halema`uma`u, occurring at 3:54 pm. The normally white degassing plume is rapidly overwhelmed with a vigorous ash-rich pulse that rises rapidly from the vent. Red flashes above the vent indicate hot, incandescent material being ejected.
San Andreas Fault: Highway
B-roll of trains, powerlines, roads, and utilities over the San Andreas Fault at Cajon Pass.
B-roll of trains, powerlines, roads, and utilities over the San Andreas Fault at Cajon Pass.
San Andreas Fault: Highway
B-roll of trains, powerlines, roads, and utilities over the San Andreas Fault at Cajon Pass.
B-roll of trains, powerlines, roads, and utilities over the San Andreas Fault at Cajon Pass.
San Andreas Fault: Train
B-roll of trains, powerlines, roads, and utilities over the San Andreas Fault at Cajon Pass.
B-roll of trains, powerlines, roads, and utilities over the San Andreas Fault at Cajon Pass.
San Andreas Fault: Train
B-roll of trains, powerlines, roads, and utilities over the San Andreas Fault at Cajon Pass.
B-roll of trains, powerlines, roads, and utilities over the San Andreas Fault at Cajon Pass.
Ice Jam on the Niobrara River
Time-lapse photography of the transition from fall-to-winter, the buildup of shelf ice, flow constriction, and jamming of river ice along the Niobrara River in the Fort Niobrara National Wildlife Refuge in north-central Nebraska. Flow in the photos is from left to right.
Time-lapse photography of the transition from fall-to-winter, the buildup of shelf ice, flow constriction, and jamming of river ice along the Niobrara River in the Fort Niobrara National Wildlife Refuge in north-central Nebraska. Flow in the photos is from left to right.
Using bare-earth LiDAR imagery to reveal the Tahoe - Sierra frontal fault zone Lake Tahoe, California.
linkThis video provides a visual example of how airborne LiDAR (Light D
etection And Ranging) imagery penetrates dense forest cover to reveal
an active fault line not detectable with conventional aerial
photography. The video shows an aerial perspective of the range front
Mt. Tallac fault, which is one of five active faults that traverse
Using bare-earth LiDAR imagery to reveal the Tahoe - Sierra frontal fault zone Lake Tahoe, California.
linkThis video provides a visual example of how airborne LiDAR (Light D
etection And Ranging) imagery penetrates dense forest cover to reveal
an active fault line not detectable with conventional aerial
photography. The video shows an aerial perspective of the range front
Mt. Tallac fault, which is one of five active faults that traverse
PubTalk 9/2008 — Ready for the Next Big Bay Area Earthquake?
The 1989 Loma Prieta Earthquake was not the Bay Area's "Big One" but a repeat of the destructive 1868 Hayward earthquake may qualify!
by Tom Brocher, USGS Seismologist
The 1989 Loma Prieta Earthquake was not the Bay Area's "Big One" but a repeat of the destructive 1868 Hayward earthquake may qualify!
by Tom Brocher, USGS Seismologist
Status of Grizzly Bears in Northwest Montana
The size and distribution of grizzly bear populations in northwest Montana has just been released by the USGS, so research biologist Kate Kendall bring us up to speed on the findings.
The size and distribution of grizzly bear populations in northwest Montana has just been released by the USGS, so research biologist Kate Kendall bring us up to speed on the findings.
3MS18 (L1) West Transect – 2008
Random Site: 3MS18 (L1) West Transect; Depth: 10.9 m (35.9 feet); Distance from river mouth: 2.3 Kilometers (1.4 Miles) west; Pre/Post Dam Removal: 3 year pre-dam removal; Lat/Long: 48.13957527,-123.59427175; Site Description: This transect is medium depth with substrate that varies from all fine sediment/sand/mud, some on top of bedrock, to areas of large boulders.
Random Site: 3MS18 (L1) West Transect; Depth: 10.9 m (35.9 feet); Distance from river mouth: 2.3 Kilometers (1.4 Miles) west; Pre/Post Dam Removal: 3 year pre-dam removal; Lat/Long: 48.13957527,-123.59427175; Site Description: This transect is medium depth with substrate that varies from all fine sediment/sand/mud, some on top of bedrock, to areas of large boulders.
6MH18 (J1) East Transect – 2008
Permanent Site: J1 East Transect; Depth: 9.5 Meters (31.2 Feet); Distance from river mouth: 6.7 Kilometers (4.1 Miles) east; Pre/Post Dam Removal: 1 year pre-dam removal; Lat/Long: ; Site Description: This site is medium depth. Substrates is a gravel/cobble/sand mixture with an occasional boulder.
Permanent Site: J1 East Transect; Depth: 9.5 Meters (31.2 Feet); Distance from river mouth: 6.7 Kilometers (4.1 Miles) east; Pre/Post Dam Removal: 1 year pre-dam removal; Lat/Long: ; Site Description: This site is medium depth. Substrates is a gravel/cobble/sand mixture with an occasional boulder.
6MH18 (J1) West Transect – 2008
Permanent Site: J1 West Transect; Depth: 9.2 Meters (30.2 Feet); Distance from river mouth: 6.6 Kilometers (4.1 Miles) east; Pre/Post Dam Removal: 1 year pre-dam removal; Lat/Long: 48.13607725,-123.48002186; Site Description: This site is medium depth. Substrates is a gravel/cobble/sand mixture with an occasional boulder.
Permanent Site: J1 West Transect; Depth: 9.2 Meters (30.2 Feet); Distance from river mouth: 6.6 Kilometers (4.1 Miles) east; Pre/Post Dam Removal: 1 year pre-dam removal; Lat/Long: 48.13607725,-123.48002186; Site Description: This site is medium depth. Substrates is a gravel/cobble/sand mixture with an occasional boulder.
Arctic Chronicles: CTD Deployment
Deployment of the Conductivity, Temperature, and Depth Profiler (CTD) equipment from the U.S. Coast Guard Cutter Healy in the Artic Ocean.
Deployment of the Conductivity, Temperature, and Depth Profiler (CTD) equipment from the U.S. Coast Guard Cutter Healy in the Artic Ocean.
Vigorously bubbling lava surface beneath Halema`uma`u vent
Movie shows a roiling, bubbling lava surface approximately 100 yards beneath the rim of the vent within Halema`uma`u. This is the first clear view of lava within the vent, which opened on March 19, 2008. The video was taken from a helicopter hovering over the Halema`uma`u overlook area.
Movie shows a roiling, bubbling lava surface approximately 100 yards beneath the rim of the vent within Halema`uma`u. This is the first clear view of lava within the vent, which opened on March 19, 2008. The video was taken from a helicopter hovering over the Halema`uma`u overlook area.
Nightshot movie showing the explosive eruption
Movie, in 'nightshot' mode and zoomed in on the Halema`uma`u vent, shows the explosive eruption which occurred at 8:13 pm. This eruption carpeted the area around the Halema`uma`u crater rim with ejecta as large as 8 inches long.
Movie, in 'nightshot' mode and zoomed in on the Halema`uma`u vent, shows the explosive eruption which occurred at 8:13 pm. This eruption carpeted the area around the Halema`uma`u crater rim with ejecta as large as 8 inches long.
Halema'uma'u Explosive Eruption (September 2, 2008)
An explosive eruption from the informally-named Overlook vent at Kilauea's summit (see http://hvo.wr.usgs.gov/kilauea/timeline/ for links describing eruptive activity at the summit of Kilauea Volcano) occurred on September 2, 2008.
An explosive eruption from the informally-named Overlook vent at Kilauea's summit (see http://hvo.wr.usgs.gov/kilauea/timeline/ for links describing eruptive activity at the summit of Kilauea Volcano) occurred on September 2, 2008.
Flood-Peak Inundation Map, Flood of September 2008, Deep River near Hobart, Indiana
Fowler, K.K., Kim, M.H., Menke, C.D., and Arvin, D.V., 2010, Flood of September 2008 in Northwestern Indiana: U.S. Geological Survey Open File Report 2010--1098, 20 p.
Flood of September 2008 in Northwestern Indianahttp://pubs.usgs.gov/ofr/2010/1098/
Fowler, K.K., Kim, M.H., Menke, C.D., and Arvin, D.V., 2010, Flood of September 2008 in Northwestern Indiana: U.S. Geological Survey Open File Report 2010--1098, 20 p.
Flood of September 2008 in Northwestern Indianahttp://pubs.usgs.gov/ofr/2010/1098/
Pulse of ash and flashes of incandescence
Video shows an ash-emission event at 6:53pm on August 31 from the vent in Halema`uma`u crater. The event begins with a robust pulse of ash, followed shortly by flashes of bright incandescence that rise about 50 yards above the vent.
Video shows an ash-emission event at 6:53pm on August 31 from the vent in Halema`uma`u crater. The event begins with a robust pulse of ash, followed shortly by flashes of bright incandescence that rise about 50 yards above the vent.
PubTalk 8/2008 — How the Earth Copes with Our LUSTs
The amazing capabilities of subsurface life
by Barbara Bekins, USGS Research Hydrologist
LUST= Leaking Underground Storge Tank
The amazing capabilities of subsurface life
by Barbara Bekins, USGS Research Hydrologist
LUST= Leaking Underground Storge Tank
Fifth explosive eruption
Movie shows a small explosive eruption, at 7:37 am, from the vent in Halema`uma`u crater. The normal white degassing plume is rapidly overwhelmed by a more robust, ash-rich plume that rises rapidly from the vent. This is the fifth explosive eruption since the new vent at Halema`uma`u appeared in mid-March.
Movie shows a small explosive eruption, at 7:37 am, from the vent in Halema`uma`u crater. The normal white degassing plume is rapidly overwhelmed by a more robust, ash-rich plume that rises rapidly from the vent. This is the fifth explosive eruption since the new vent at Halema`uma`u appeared in mid-March.