Low-angle view of fluid toe spreading out. Note moving dark crust on distant part of toe.
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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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Low-angle view of fluid toe spreading out
Low-angle view of fluid toe spreading out. Note moving dark crust on distant part of toe.
Rapidly flowing single toe of lava
Rapidly flowing single toe of lava at front of flow 440 m seaward of Paliuli. Other videos on this day focus on similar toes. Sound was turned off during the imaging. For scale, flowing lava in all clips is 1-3 m wide.
Rapidly flowing single toe of lava at front of flow 440 m seaward of Paliuli. Other videos on this day focus on similar toes. Sound was turned off during the imaging. For scale, flowing lava in all clips is 1-3 m wide.
Sheet of lava pouring from inflating flow
Sheet of lava pouring from inflating flow. Note wrinkling, moving crust.
Sheet of lava pouring from inflating flow. Note wrinkling, moving crust.
Single toe in action
Single toe in action. Note concentric wrinkes forming at bottom of view.
Single toe in action. Note concentric wrinkes forming at bottom of view.
Breaking and tumbling crust on slabby flow front.
Breaking and tumbling crust on slabby flow front.
Breaking and tumbling crust on slabby flow front.
Channeled cascade on Paliuli
Channeled cascade on Paliuli. Other videos on this day focus on front of this cascade. Wind noise in this and other clips is obvious, but listen for sounds of pieces of crust scraping against one another or across ground. For scale, flow front in all clips is 1-1.5 m high.
Channeled cascade on Paliuli. Other videos on this day focus on front of this cascade. Wind noise in this and other clips is obvious, but listen for sounds of pieces of crust scraping against one another or across ground. For scale, flow front in all clips is 1-1.5 m high.
Fluid lava leaks from inside crusted front of cascade
Fluid lava leaks from inside crusted front of cascade.
Fluid lava leaks from inside crusted front of cascade.
More disruption of slabby flow front
More disruption of slabby flow front.
More disruption of slabby flow front.
More disruption of slabby flow front
More disruption of slabby flow front.
More disruption of slabby flow front.
Lava pours down pre1995 sea cliff
Lava pours down pre1995 sea cliff. See stills above for more information. Note large file size. Warning: turn down your sound; lots of wind noise.
Lava pours down pre1995 sea cliff. See stills above for more information. Note large file size. Warning: turn down your sound; lots of wind noise.
PubTalk 12/2002 — Hawai`i's Volcanoes—Never a Dull Moment
20 Years of Eruption at Kilauea and Waiting for Mauna Loa
by Don Swanson,Volcanologist, Hawaiian Volcano Observatory
20 Years of Eruption at Kilauea and Waiting for Mauna Loa
by Don Swanson,Volcanologist, Hawaiian Volcano Observatory
PubTalk 11/2002 — What is a Butterfly Worth?
Challenge of Making Economic Estimates for Biodiversity
by Alicia Torregrosa, Geographer and Ecologist
Challenge of Making Economic Estimates for Biodiversity
by Alicia Torregrosa, Geographer and Ecologist
PubTalk 10/2002 — Plumbing the Mysteries of the San Andreas Fault
Deep Drilling to Test Fundamental Theories About Faulting and Earthquakes
By Stephen H. Hickman, Geophysicist
Deep Drilling to Test Fundamental Theories About Faulting and Earthquakes
By Stephen H. Hickman, Geophysicist
PubTalk 9/2002 — Healing the Redwood Creek Watershed
Successes and Failures in a Large-scale Watershed Restoration Program
by Mary Ann Madej, Geologist
Successes and Failures in a Large-scale Watershed Restoration Program
by Mary Ann Madej, Geologist
PubTalk 8/2002 — Revealing the Hidden World Beneath Monterey Bay
Explore the diverse features on and below the sea floor in the Monterey Bay National Marine Sanctuary
by Steve Eittreim, Marine Geologist
Explore the diverse features on and below the sea floor in the Monterey Bay National Marine Sanctuary
by Steve Eittreim, Marine Geologist
Close-up of lava falls and steam cloud
Close-up of lava falls and steam cloud generated by lava entering water.
Close-up of lava falls and steam cloud generated by lava entering water.
Lava falling over sea cliff
Lava falling over sea cliff into water at western group of entries.
Lava falling over sea cliff into water at western group of entries.
Lava dropping into the sea
Telephoto of lava dropping into the sea.
Telephoto of lava dropping into the sea.
Lava falls into sea from western two entries at Highcastle
Lava falls into sea from western two entries at Highcastle. Entry started within past several hours. Listen to the "plop, plop" sounds as lava drips hit water.
Lava falls into sea from western two entries at Highcastle. Entry started within past several hours. Listen to the "plop, plop" sounds as lava drips hit water.
PubTalk 7/2002 — Beyond the Golden Gate
Oceanography, Geology, Biology, and Environmental Issues In The Gulf of the Farallones
by Herman A. Karl, Marine Geologist, and Edward Ueber, Director, Gulf of the Farallones National Marine Sanctuary
Oceanography, Geology, Biology, and Environmental Issues In The Gulf of the Farallones
by Herman A. Karl, Marine Geologist, and Edward Ueber, Director, Gulf of the Farallones National Marine Sanctuary
Lava spilling over the lip of Wilipe`a sea cliff
Close view of lava spilling over the lip of Wilipe`a sea cliff.
Close view of lava spilling over the lip of Wilipe`a sea cliff.