Deputy Director of Communications, Office of Homeland Security, Office of the Governor, California
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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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The Great ShakeOut: Jay Alan
Deputy Director of Communications, Office of Homeland Security, Office of the Governor, California
The Great ShakeOut: Jim Featherstone
The Great ShakeOut: Jim Featherstone — City of Los Angeles, General Manager, Emergency Management Department
The Great ShakeOut: Jim Featherstone — City of Los Angeles, General Manager, Emergency Management Department
The Great ShakeOut: Kate Long
Earthquake and Tsunami Program, Governor's Office of Emergency Services, State of California
Earthquake and Tsunami Program, Governor's Office of Emergency Services, State of California
The Great ShakeOut: Ken Hudnut (Part 1)
The Great ShakeOut: Ken Hudnut (Part 1) — U.S. Geological Survey, Geophysist, Earthquake Hazards Team
The Great ShakeOut: Ken Hudnut (Part 1) — U.S. Geological Survey, Geophysist, Earthquake Hazards Team
The Great ShakeOut: Ken Hudnut (Part 2)
The Great ShakeOut: Ken Hudnut (Part 2) — U.S. Geological Survey, Geophysist, Earthquake Hazards Team
The Great ShakeOut: Ken Hudnut (Part 2) — U.S. Geological Survey, Geophysist, Earthquake Hazards Team
The Great ShakeOut: Larry Collins
The Great ShakeOut: Larry Collins: County of Los Angeles Fire Department, Captain, Special Operations Bureau
The Great ShakeOut: Larry Collins: County of Los Angeles Fire Department, Captain, Special Operations Bureau
The Great ShakeOut: Mariana Amatullo (Part 1)
Vice President, International Initiatives Art Center College of Design Director, Designmatters
Vice President, International Initiatives Art Center College of Design Director, Designmatters
The Great ShakeOut: Mariana Amatullo (Part 2)
Vice President, International Initiatives Art Center College of Design Director, Designmatters
Vice President, International Initiatives Art Center College of Design Director, Designmatters
The Great ShakeOut: Mark Bassett
Deputy Regional Administrator, Governor's Office of Emergency Services, State of California
Deputy Regional Administrator, Governor's Office of Emergency Services, State of California
The Great ShakeOut: Peter Lent
Deputy Director, Riverside County Fire Department, Office of Emergency Services
Deputy Director, Riverside County Fire Department, Office of Emergency Services
PubTalk 10/2008 — Prehistoric Packrat Piles
Archives of Climate Change
by Kenneth Cole, USGS Research Ecologist
Archives of Climate Change
by Kenneth Cole, USGS Research Ecologist
Earthquakes? Don't Freak Out--ShakeOut!
What if you knew that a magnitude 7.8 earthquake would happen in less than three weeks?
In this video interview, USGS earthquake scientist Dr. Lucy Jones explains that millions of Southern Californians will be preparing as if they do know, thanks to the Great Southern California ShakeOut.
What if you knew that a magnitude 7.8 earthquake would happen in less than three weeks?
In this video interview, USGS earthquake scientist Dr. Lucy Jones explains that millions of Southern Californians will be preparing as if they do know, thanks to the Great Southern California ShakeOut.
Groundshaking animation: Hayward Fault, Fremont epicenter
Animation showing the intensity of groundshaking across the San Francisco Bay region during a hypothetical M 7.0 earthquake on the Hayward Fault with the epicenter in Fremont. Visit M7.0 Earthquake Scenarios - Hayward Fault for detailed perspective views. &
Animation showing the intensity of groundshaking across the San Francisco Bay region during a hypothetical M 7.0 earthquake on the Hayward Fault with the epicenter in Fremont. Visit M7.0 Earthquake Scenarios - Hayward Fault for detailed perspective views. &
Groundshaking animation: Hayward Fault, Oakland epicenter
Scenario shows the ground shaking for a magnitude 7.0 earthquake on the Hayward fault with the epicenter in Oakland, California. Visit M7.0 Earthquake Scenarios - Hayward Fault for detailed perspective views.
Scenario shows the ground shaking for a magnitude 7.0 earthquake on the Hayward fault with the epicenter in Oakland, California. Visit M7.0 Earthquake Scenarios - Hayward Fault for detailed perspective views.
Groundshaking animation: Hayward Fault, San Pablo Bay epicenter
Animation showing the intensity of groundshaking across the San Francisco Bay region during a hypothetical M 7.0 earthquake on the Hayward Fault with the epicenter in San Pablo Bay. Visit M7.0 Earthquake Scenarios - Hayward Fault for detailed perspective views.&
Animation showing the intensity of groundshaking across the San Francisco Bay region during a hypothetical M 7.0 earthquake on the Hayward Fault with the epicenter in San Pablo Bay. Visit M7.0 Earthquake Scenarios - Hayward Fault for detailed perspective views.&
Halema'uma'u Explosive Eruption (October 14, 2008)
A sequence of collapses scattered over several hours on October 14, 2008, culminated in an explosive eruption that 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 e
A sequence of collapses scattered over several hours on October 14, 2008, culminated in an explosive eruption that 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 e
Halema'uma'u Vent Rim Collapse (October 14, 2008)
This video, from October 14, 2008, shows two collapses of the rim of the informally-named Overlook vent and the subsequent emission of ash (see http://hvo.wr.usgs.gov/kilauea/timeline/ for links describing eruptive activity at the summit of Kilauea Volcano).
This video, from October 14, 2008, shows two collapses of the rim of the informally-named Overlook vent and the subsequent emission of ash (see http://hvo.wr.usgs.gov/kilauea/timeline/ for links describing eruptive activity at the summit of Kilauea Volcano).
Explosive eruption from Halema`uma`u
movie (x3 speed) shows the latest explosive eruption from the vent in Halema`uma`u, which occurred at 7:28am. A robust, ash-rich mushroom cloud is ejected, and followed by pulses of hot, glowing gas and particles. The explosion deposited a field of fist-size ejecta around the crater rim.
movie (x3 speed) shows the latest explosive eruption from the vent in Halema`uma`u, which occurred at 7:28am. A robust, ash-rich mushroom cloud is ejected, and followed by pulses of hot, glowing gas and particles. The explosion deposited a field of fist-size ejecta around the crater rim.
Explosive eruption from Halema`uma`u rim
movie of the October 12 explosive eruption captured by a camera located on the rim of Halema`uma`u just above the vent. The camera was completely engulfed in the ash cloud, turning day to night, then bombarded by falling ejecta.
movie of the October 12 explosive eruption captured by a camera located on the rim of Halema`uma`u just above the vent. The camera was completely engulfed in the ash cloud, turning day to night, then bombarded by falling ejecta.
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)
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 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)
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)