As spattering intensifies, the walls of the vent heat even more, causing the cracking of the rocks through thermal expansion to speed up, creating the cacophony of popping noises apparent in this video.
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As spattering intensifies, the walls of the vent heat even more, causing the cracking of the rocks through thermal expansion to speed up, creating the cacophony of popping noises apparent in this video.
video thumbnail: Thunder Sounds from the Vent in Halema'uma'u
Booming sounds from the vent in Halema'uma'u have been audible around the summit area of Kilauea for the past several days. Some of these sounds are caused by rocks striking the surface of the lava lake, but most are actually the sound of the vent walls cracking due to heating and expansion of rock.
Booming sounds from the vent in Halema'uma'u have been audible around the summit area of Kilauea for the past several days. Some of these sounds are caused by rocks striking the surface of the lava lake, but most are actually the sound of the vent walls cracking due to heating and expansion of rock.
Time-lapse movie showing lava erupting from vents on the floor of Pu‘u ‘Ō‘ō crater. Each frame is a composite of eight images comprising a panorama of the crater that is captured every five minutes. During daylight hours, the camera switches to an IR mode so that eruptive activity is easier to monitor.
Time-lapse movie showing lava erupting from vents on the floor of Pu‘u ‘Ō‘ō crater. Each frame is a composite of eight images comprising a panorama of the crater that is captured every five minutes. During daylight hours, the camera switches to an IR mode so that eruptive activity is easier to monitor.
Earthquake Awareness and Seismic Retrofitting in the Central U.S.
Earthquake Awareness and Seismic Retrofitting in the Central U.S.
Earthquake Awareness and Seismic Retrofitting in the Central U.S.Description available soon
Description available soon
Information Sources for the 1811-1812 New Madrid Earthquakes
Information Sources for the 1811-1812 New Madrid Earthquakes
Information Sources for the 1811-1812 New Madrid EarthquakesDescription available soon
Description available soon
video thumbnail: Tish Tuttle: Prehistoric New Madrid Earthquakes
Description available soon
video thumbnail: Ice breakup on the Skunk River at Augusta, IA
This video captures the breakup of ice cover on the Skunk River at Augusta, Iowa, on February 17, 2011, at approximately 3:00 pm CST. The river stage at the time was 14.50 feet (elevation 535.74 feet NGVD29). A preliminary estimate of the discharge at the time of the ice breakup is 9,500 cubic feet per second.
This video captures the breakup of ice cover on the Skunk River at Augusta, Iowa, on February 17, 2011, at approximately 3:00 pm CST. The river stage at the time was 14.50 feet (elevation 535.74 feet NGVD29). A preliminary estimate of the discharge at the time of the ice breakup is 9,500 cubic feet per second.
Another series of collapses occurred within Kīlauea's summit vent on the floor of Halema‘uma‘u before sunrise on February 15. This movie shows the first of the rockfalls and the resulting small explosive event.
Another series of collapses occurred within Kīlauea's summit vent on the floor of Halema‘uma‘u before sunrise on February 15. This movie shows the first of the rockfalls and the resulting small explosive event.
video thumbnail: Ice Jam on the Little Nemaha River at Auburn, Nebraska
Ice Jam on the Little Nemaha River at Auburn, Nebraska
Ice Jam on the Little Nemaha River at Auburn, NebraskaA 1-minute video shows ice flows on the Little Nemaha River at the streamgaging station at Auburn, Nebraska.
Ice Jam on the Little Nemaha River at Auburn, Nebraska
Ice Jam on the Little Nemaha River at Auburn, NebraskaA 1-minute video shows ice flows on the Little Nemaha River at the streamgaging station at Auburn, Nebraska.
Earthquake Features - Historic Evidence in Arkansas
Earthquake Features - Historic Evidence in Arkansas
Earthquake Features - Historic Evidence in ArkansasDescription available soon
Effects and Accounts of the 1811-1812 New Madrid Earthquakes
Effects and Accounts of the 1811-1812 New Madrid Earthquakes
Effects and Accounts of the 1811-1812 New Madrid EarthquakesDescription available soon
Description available soon
Description available soon
Movie of lava flows in Pu‘u ‘Ō‘ō crater from February 6-8. Lava has been erupting sporadically from three vents within Pu‘u ‘Ō‘ō crater-a cone on the west side of the crater floor (foreground to left), a cone on the northeast side (center frame), and from an opening on the east crater wall (background).
Movie of lava flows in Pu‘u ‘Ō‘ō crater from February 6-8. Lava has been erupting sporadically from three vents within Pu‘u ‘Ō‘ō crater-a cone on the west side of the crater floor (foreground to left), a cone on the northeast side (center frame), and from an opening on the east crater wall (background).
Description available soon
Description available soon
Description available soon
PubTalk 1/2011 — Capture and Geologic Sequestration of Carbon Dioxide
PubTalk 1/2011 — Capture and Geologic Sequestration of Carbon DioxideIs Sequestration Necessary? Can We Do It at an Acceptable Total Cost?
By Yousif Kharaka, USGS National Research Program
PubTalk 1/2011 — Capture and Geologic Sequestration of Carbon Dioxide
PubTalk 1/2011 — Capture and Geologic Sequestration of Carbon DioxideIs Sequestration Necessary? Can We Do It at an Acceptable Total Cost?
By Yousif Kharaka, USGS National Research Program
Movie of the January 21 collapse and dusty plume captured by a Webcam located in the observation tower at the Hawaiian Volcano Observatory.
Movie of the January 21 collapse and dusty plume captured by a Webcam located in the observation tower at the Hawaiian Volcano Observatory.
America has questions about climate change, and the USGS has real answers. Climate Connections is a USGS video series in which some of the world's leading scientists answer climate change questions gathered across the Nation.
America has questions about climate change, and the USGS has real answers. Climate Connections is a USGS video series in which some of the world's leading scientists answer climate change questions gathered across the Nation.