Canyon oil field at the southeastern margin of the Santa Susana Mountains, large earth-moving trucks were engaged
of material weakened by the earthquake seriously hampered repair efforts. During all of 1993, all of Ventura County had reported only 52 cases. In the Aliso
oil field severed well pipe and damaged a well pump that was located at the head of the failure (fig. Maldonado, G., Peterson, C., and Wampole, J., 1994, CSMIP strong-motion records from the Northridge, California
of the relation between strong ground shaking, landslide susceptibility, and landslide distribution. Mountains are slated for future dense residential development. Factors that trigger landslide movement include heavy rainfall, erosion, poor construction practices, freezing and thawing, earthquake shaking, and volcanic eruptions. About 50,000 m³ of landslide debris was trucked from the canyon following
One large home in Pacific Palisades was destroyed
The project started on 1 May 2009 and ended on 30 April 2012. CORDIS website requires JavaScript enabled in order to work properly. The files of95-213_plate1.pdf and of95-213_plate2.pdf are Portable Document Format (PDF) files of plates 1 and 2. The coverage has both line and polygon topology. Harp, E.L., and Noble, M.A., 1993, An engineering rock classification to evaluate seismic rock-fall susceptibility
for detailed analysis. when the bluff on which it was built failed during the earthquake and caused half the house to be torn loose and
by the earthquake. is not yet heavily developed. locally disrupt water mains, sewers, and power lines; and damage oil- and gas-production facilities. Si prega di abilitare JavaScript. Jibson, R.W., Harp, E.L., Spiegel, R.A., Hajjeh, R.A., Schneider, E.E., Marshall, G.A., and Stein, R.S., 1994b,
The graphics files will produce 1:100,000-scale maps whose sheet dimensions are 40 inches wide by 36 inches high. that neither the USGS nor the United States Government may be held liable for any damages resulting from its authorized
We currently are analyzing landslide distribution in relation to geologic structure, stratigraphy,
Al Barrows and Pam Irvine of the California Division of Mines and Geology, and Robert
generated dense dust clouds (fig. This report illustrates, by means of computer animation, how four different types of landslides (slide, slump, flow, and rockfall) occur and what type of damage may result. Many pump pads, pipelines, and
crushed beneath rock falls (fig. Considerable damage also was done to roads, pipelines, and well machinery within oil fields in the Santa Susana
meters of landslide debris into the canyon, which blocked access to Pacoima Dam and damaged areas around the dam
Wald, D.J., and Heaton, T.H., 1994, A dislocation model of the 1994 Northridge, California, earthquake determined
Cloud, W.K., and Hudson, D.E., 1975, Strong motion data from the San Fernando, California, earthquake of February
Arc/Info users should decompress the landslide.e00.Z or landslide.e00.zip file and run the IMPORT command to produce the landslide coverage: Arc: import cover landslide.e00 landslide. We anticipate using the data and modeling results
and in defining the landslide limits. Landslides can cause seismic disturbances; landslides can also result from seismic disturbances, and earthquake-induced slides have caused loss of life in many countries. at I-5 and California State Highway 14. spores that cause the disease (Jibson and others, 1994b). the Northridge earthquake, California, 1994: Morbidity and Mortality Weekly Report, v. 43 no. from the Northridge earthquake to produce regional maps of earthquake-induced landslide hazards that can be used
Policies and Notices, U.S. Department of the Interior |
plotting large-format, color encapsulated-PostScript, PDF, and HPGL2 graphics files. were diagnosed in the seven weeks following the earthquake (Centers for Disease Control and Prevention, 1994). All files
Landslides are typically associated with periods of heavy rainfall or rapid snowmelt and tend to worsen the effects of flooding. Landslide material can also block rivers and increase the risk of floods.
Although the landslide features are subtle and the damage patterns complex, making it difficult
Page Last Modified: Wednesday, November 23, 2011, 02:36:48 PM, Download the latest version of Adobe Reader, free of charge. 10, p. 194-195. In Tapo Canyon, north of Simi Valley
The files plate1.eps.Z and plate1.eps.zip and plate1.hp.Z and plate1.hp.zip are compressed files of plate 1 that are in encapsulated PostScript and HPGL2 formats, respectively. Privacy
EFFECTS FROM EARTHQUAKE-TRIGGERED LANDSLIDES. Landslides can be hazardous to your health: An outbreak of coccidioidomycosis (valley fever) caused by landslides
Landslides occur when gravitational and other types of shear stresses within a slope exceed the shear strength (resistance to shearing) of the materials that form the slope. El sitio web de CORDIS requiere tener activado JavaScript para funcionar correctamente. cascade down the steep slope (see photograph on report cover). Landslide Effects. An unfortunate additional effect of the rock falls and rock slides in the Santa Susana Mountains was an outbreak
buildings. to label points within polygons (such as inliers) in which landslides are not found. Larson of Los Angeles County provided useful information on the location and nature of many landslides triggered
reserves the right to revise the data pursuant to further analysis and review. to distinguish shaking damage from ground-failure damage in this area, many clusters of damaged homes clearly relate
detailed regional view of the variation in ground shaking. The thematic issues “Sendai Landslide Partnerships 2015-2025” will be published as Vol.17-10 and Vol.17-11 and closed in November 2020. Pacoima Canyon, in the San Gabriel Mountains, experienced extreme landslide damage during the earthquake. to make informed decisions regarding development in the areas most susceptible to seismically triggered landsliding. Jibson, R.W., Harp, E.L., Keefer, D.K., and Wilson, R.C., 1994a, Landslides triggered by the 17 January 1994
or destroyed several non-residential buildings, but no injuries were reported. Continuing failure
the digital landslide map. Rock falls and rock slides closed many of the alternate routes across the
Questions regarding digital database dissemination should be directed to the authors: The database, identified as landslide, has been approved for release and publication by the Director
of the USGS. Furthermore, it is released on condition
Item SLIDE in the polygon attribute table landslide.pat
of deep block slides. Rock falls damaged the spillway and the shotcrete covering the dam abutment. Le site web de CORDIS nécessite lâactivation de JavaScript pour fonctionner correctement. FOIA
Landslides impeded traffic flow that was diverted onto secondary highways as a result of the collapsed interchange
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