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Sunday, May 17, 2020 | History

2 edition of Seismic-refraction studies of the Imperial Valley region, California found in the catalog.

Seismic-refraction studies of the Imperial Valley region, California

Seismic-refraction studies of the Imperial Valley region, California

profile models, a traveltime contour map, and a gravity model

  • 210 Want to read
  • 33 Currently reading

Published by U.S. Dept. of the Interior, Geological Survey in [Denver, Colo.?] .
Written in English

    Subjects:
  • Seismic prospecting -- Imperial Valley Region (Calif. and Mexico).

  • Edition Notes

    StatementG.S. Fuis ... [et al.].
    SeriesOpen-file report -- 81-270, Open-file report (Geological Survey (U.S.)) -- 81-270.
    ContributionsFuis, Gary S., Geological Survey (U.S.)
    The Physical Object
    FormatMicroform
    Paginationiii, 73 p.
    Number of Pages73
    ID Numbers
    Open LibraryOL22437232M

      What is the first thing that ordinary people, for whom journalists are the proxy, ask when they meet a seismologist? It is certainly nothing technical like "What was the stress drop of the last earthquake in the Imperial Valley?" It is a sim ple question, which nevertheless summarizes the real demands that society has for seismology. This question is "Can you . Imperial Valley's southernmost city Calexico offers a quick walk or drive to one of the international ports of entry to Mexicali, Capital of the Mexican state Baja California. The Calexico West Port of Entry is the third busiest land port in California with 4 million northbound vehicles and million pedestrians crossing each year.

      Seepage from the All-American Canal, which carries water from the Colorado River to California’s Imperial Valley, runs underground into an aquifer in the Mexicali Valley, where it nourishes the Andrade Mesa Wetlands and farms in Mexico. The Imperial Valley of southern California experiences high rates of seismicity with a pronounced portion of the activity occurring within the Brawley Seismic Zone that separates the San Andreas fault to the north and the Imperial fault to the south. The Imperial fault was the source of the El Centro earthquake and the Imperial Valley earthquake.

    The technique we used for recgonizing detection and reporting changes was developed by Habermann (). We demonstrate these techniques on seismicity from the Imperial Valley region of California. After a reasonable background rate is determined, we examine seismicity rates in this region prior to the Imperial Valley earthquake of 15 October Cited by: The Imperial Valley is located about miles southeast of Los Angeles. It is a section of a much larger geologic structure -- the Salton Trough -- which is about 1, miles in length. The structure extends from San Gorgonio Pass southeast to the Mexican border, including the Gulf of California and beyond the tip of the Baja California Peninsula.


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Seismic-refraction studies of the Imperial Valley region, California Download PDF EPUB FB2

Data Report for the Seismic-Refraction Experiment in the Imperial Valley Region, California: Usgs Open-File Report [Kohler, W. M., Fuis, G. S.] on *FREE* shipping on qualifying offers.

Data Report for the Seismic-Refraction Experiment in the Imperial Valley Region, California: Usgs Open-File Report Author: G. Fuis. Buy Data report for the seismic-refraction experiment in the Imperial Valley Region, California (Open-file report / United States Department of Interior, Geological Survey) on FREE SHIPPING on qualified orders.

Seismic refraction studies of the Imperial Valley region, California: profile models, a traveltime contour map, and a gravity model. A seismic refraction survey of the Imperial Valley Region, California. Abstract. The U.S. Geological Survey conducted an extensive seismic refraction survey in the Imperial Valley region of California in The Imperial Valley is located in the Salton Trough, an active rift between the Pacific and North American by: PDF | On Jan 1,Gary S Fuis and others published Seismic refraction studies of the Imperial Valley region, California: profile models, a traveltime contour map, and a gravity model |.

Get this from a library. Seismic-refraction studies of the Imperial Valley region, California: profile models, a traveltime contour map, and a gravity model. [Gary S. The U.S. Geological Survey conducted an extensive seismic refraction survey in the Imperial Valley region of California in The Imperial Valley is located in the Salton Trough.

The Imperial Valley region is of tectonic and geothermal importance. An extensive seismic refraction survey was conducted to determine the crustal structure in more detail, over a wider area, and to greater depth than was accomplished by earlier studies.

A combination of new instru­Cited by: 8. Buy Data Report for the Seismic-Refraction Experiment in the Imperial Valley Region, California: Usgs Open-File Report by W.

Kohler, G. Fuis (ISBN: ) from Amazon's Book Store. Everyday low prices and free delivery on eligible : W. Kohler, G. Fuis. Buy Data report for the seismic-refraction experiment in the Imperial Valley Region, California (Open-file report / United States Department of Interior, Geological Survey) by W.

M Kohler (ISBN:) from Amazon's Book Store. Everyday low Author: W. M Kohler. Seismic refraction studies in the eastern Himalayan region, in Nepal and southern Tibet, were undertaken by the Sino-French groups during and after the s. Results of these studies show that the boundary between the upper and lower crust is at about km depth to the north of the higher Himalaya (Hirn et al., a ; Sapin and Hirn, ).

Seismic refraction investigation of the Salton Sea geothermal area, Imperial Valley, California: Authors: Bruce, R. Affiliation: Seven seismic refraction profiles and four long refraction shots were used to investigate the Salton Sea geothermal in preparation for energy resource development.

From the data, two models of the geothermal. Technical Report: Seismic and geodetic studies of the Imperial Valley, California Title: Seismic and geodetic studies of the Imperial Valley, California Full Record.

Get this from a library. Data report for the seismic-refraction experiment in the Imperial Valley Region, California. [W M Kohler; Gary S Fuis; Geological Survey (U.S.)]. About Cookies, including instructions on how to turn off cookies if you wish to do so. By continuing to browse this site you agree to us using cookies as described in About Cookies.

Remove maintenance message. Seismic-refraction studies of the Imperial Valley region, California-profile models, a travel-time contour map, and a gravity model. Open-File Rep. New aspects of rhomb structures 60!Cited by: Sonic logs from petroleum wells in the Imperial Valley and isovelocity surfaces defined by seismic refraction studies were used to define P-wave velocity within the sedimentary basin as a function of two variables:(1) absolute depth and (2) depth of Cited by: A seismic refraction survey of the Imperial Valley region, California GS Fuis, WD Mooney, JH Healy, GA McMechan, WJ Lutter Journal of Geophysical Research: Solid.

The Imperial Valley (Spanish: Valle de Imperial or Valle Imperial) lies in the California counties of Imperial and Riverside in southeastern Southern California with an urban area centered on the city of El Valley is bordered by the Colorado River to the east and, in part, the Salton Sea to the west.

Farther west lies the San Diego and Imperial County on: California, United States. Technical Report: Seismic refraction investigation of the Salton Sea geothermal area, Imperial Valley, California. Observations along a profile of stations across the Imperial Valley indicate that the upwelling of mantle material does not necessarily occur continuously along the Gulf of California—Salton Trough axis and is probably a local phenomenon associated only with such spreading by: Biography.

Walter Mooney is a research seismologist and geophysicist at the U.S. Geological Survey, Menlo Park, California (See video presentation). He is also a AGU member since (and Fellow since ).

His major interest is global Earth crustal structure and tectonics, particularly of the continental lithosphere.Sonic logs from petroleum wells in the Imperial Valley and isovelocity surfaces defined by seismic refraction studies were used to define P-wave velocity within the sedimentary basin as a function of two variables: (1) absolute depth and (2) depth of .