California State Route 178 SW of Trona, following the M7.1 earthquake. Road is now closed for repairs.
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Highway 178 SW of Trona
California State Route 178 SW of Trona, following the M7.1 earthquake. Road is now closed for repairs.
Earthquake Damage on California Hwy. 178
A fault offset on California State Route 178 following the Magnitude 6.4 earthquake that struck Searles Valley on July 4, 2019.
A fault offset on California State Route 178 following the Magnitude 6.4 earthquake that struck Searles Valley on July 4, 2019.
Measuring Earthquake Damage on California Hwy. 178
Janis Hernandez (California Geological Survey) measures 18 centimeters of offset across one strand of the fault rupture zone. This measurement was conducted following the Magnitude 6.4 earthquake that struck Searles Valley on July 4, 2019.
Janis Hernandez (California Geological Survey) measures 18 centimeters of offset across one strand of the fault rupture zone. This measurement was conducted following the Magnitude 6.4 earthquake that struck Searles Valley on July 4, 2019.
Measuring Earthquake Damage on California Hwy. 178
Measurement of fault offset being done by USGS scientist Ken Hudnut, using the offset of a painted road stripe. This measurement was conducted following the Magnitude 6.4 earthquake that struck Searles Valley on July 4, 2019.
Measurement of fault offset being done by USGS scientist Ken Hudnut, using the offset of a painted road stripe. This measurement was conducted following the Magnitude 6.4 earthquake that struck Searles Valley on July 4, 2019.
Measuring Earthquake Damage on California Hwy. 178
Measurement of fault offset being done by USGS scientist Ken Hudnut, using the offset of a painted road stripe on California State Route 178. This measurement was conducted following the Magnitude 6.4 earthquake that struck Searles Valley on July 4, 2019.
Measurement of fault offset being done by USGS scientist Ken Hudnut, using the offset of a painted road stripe on California State Route 178. This measurement was conducted following the Magnitude 6.4 earthquake that struck Searles Valley on July 4, 2019.
Measuring Earthquake Damage on California Hwy. 178
Measuring a fault offset on California State Route 178. This measurement was conducted following the Magnitude 6.4 earthquake that struck Searles Valley on July 4, 2019.
Measuring a fault offset on California State Route 178. This measurement was conducted following the Magnitude 6.4 earthquake that struck Searles Valley on July 4, 2019.
Earthquake Damage on California Hwy. 178
A fault offset on California State Route 178 with a pen for scale. This measurement was conducted following the Magnitude 6.4 earthquake that struck Searles Valley on July 4, 2019.
A fault offset on California State Route 178 with a pen for scale. This measurement was conducted following the Magnitude 6.4 earthquake that struck Searles Valley on July 4, 2019.
Earthquake Damage on California Hwy. 178
California State Route 178, showing cracks due to fault offsets following the Magnitude 6.4 earthquake that struck Searles Valley on July 4, 2019.
California State Route 178, showing cracks due to fault offsets following the Magnitude 6.4 earthquake that struck Searles Valley on July 4, 2019.
Surface Rupture from Fault
On July 4, 2019, a Magnitude 6.4 earthquake struck Searles Valley, CA. This photo provides likely evidence that the fault that hosted the earthquake ruptured to the ground surface.
On July 4, 2019, a Magnitude 6.4 earthquake struck Searles Valley, CA. This photo provides likely evidence that the fault that hosted the earthquake ruptured to the ground surface.
Surface Rupture from Fault
On July 4, 2019, a Magnitude 6.4 earthquake struck Searles Valley, CA. This photo provides likely evidence that the fault that hosted the earthquake ruptured to the ground surface.
On July 4, 2019, a Magnitude 6.4 earthquake struck Searles Valley, CA. This photo provides likely evidence that the fault that hosted the earthquake ruptured to the ground surface.
Ridgecrest Earthquake - Documenting Ruptures
Belle Philibosian working with Gordon Seitz (CGS) and Stephan Bock (NAWS) to document surface ruptures of the M7.1 Ridgecrest earthquake, July 2019.
Belle Philibosian working with Gordon Seitz (CGS) and Stephan Bock (NAWS) to document surface ruptures of the M7.1 Ridgecrest earthquake, July 2019.
Moletrack crossing China Lake dry lake bed
Moletrack crossing China Lake dry lake bed after Ridgecrest earthquake in July of 2019.
Moletrack crossing China Lake dry lake bed after Ridgecrest earthquake in July of 2019.
Palu Earthquake Damage to House from Liquefaction
House destroyed by Palu earthquake-induced liquefaction. Note standing water which indicates a nearly surface-level water table that contributed to the widespread liquefaction.
House destroyed by Palu earthquake-induced liquefaction. Note standing water which indicates a nearly surface-level water table that contributed to the widespread liquefaction.
3DEP, Lidar point cloud, Pre-Hurricane Maria
Figure 2: Zooming in to red rectangle A from figure 1. Points colored by laser intensity (blue = low intensity, red = high intensity).
Figure 2: Zooming in to red rectangle A from figure 1. Points colored by laser intensity (blue = low intensity, red = high intensity).
The Bay Bridge and the Oakland city skyline
The nighttime Oakland city skyline as seen from San Francisco with the Bay Bridge in the foreground
The nighttime Oakland city skyline as seen from San Francisco with the Bay Bridge in the foreground
ShakeAlert sensor station being serviced by USGS personnel
A USGS electronics technician performs maintenance on a ShakeAlert Earthquake Early Warning (EEW) sensor station, located in the San Francisco Bay Area. ShakeAlert station components include strong-motion accelerometers, solar panel and battery power systems, and communications & telemetry equipment for communication with the wider ShakeAlert network.
A USGS electronics technician performs maintenance on a ShakeAlert Earthquake Early Warning (EEW) sensor station, located in the San Francisco Bay Area. ShakeAlert station components include strong-motion accelerometers, solar panel and battery power systems, and communications & telemetry equipment for communication with the wider ShakeAlert network.
Coral cores like this one reveal geologic history of Keys reefs
USGS Research Oceanographer Lauren Toth and Oceanographer Anastasios Stathakopoulos study a coral-reef core in the USGS’s Core Archive in St. Petersburg, Florida. Photo: Dominique Gallery, USGS.
USGS Research Oceanographer Lauren Toth and Oceanographer Anastasios Stathakopoulos study a coral-reef core in the USGS’s Core Archive in St. Petersburg, Florida. Photo: Dominique Gallery, USGS.
Erosion has taken a toll on this Keys coral
A reef in the Florida Keys National Marine Sanctuary with little living coral and extensive bioerosion. Photo taken under research permit number FKNMS-2016-085-A1. Credit: USGS, Ilsa Kuffner.
A reef in the Florida Keys National Marine Sanctuary with little living coral and extensive bioerosion. Photo taken under research permit number FKNMS-2016-085-A1. Credit: USGS, Ilsa Kuffner.
The Bay Bridge and the Oakland city skyline
The nighttime Oakland city skyline as seen from San Francisco with the Bay Bridge in the foreground
The nighttime Oakland city skyline as seen from San Francisco with the Bay Bridge in the foreground
Like many Keys corals, this one has no new growth
A modern coral reef in Dry Tortugas National Park. There is little living coral and high rates of bioerosion. Photo taken under research permit number DRTO-2018-SCI-0005. Credit: Lauren Toth, USGS
A modern coral reef in Dry Tortugas National Park. There is little living coral and high rates of bioerosion. Photo taken under research permit number DRTO-2018-SCI-0005. Credit: Lauren Toth, USGS
Trench Across West Napa Fault, California
Belle Philibosian in a trench investigating the West Napa Fault near St. Helena, California, August 2017.
Belle Philibosian in a trench investigating the West Napa Fault near St. Helena, California, August 2017.