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Metadata
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ID
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EW9415
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Also Known As
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EW9415
LARSE
E1594SC
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Abstract
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Lamont-Doherty Earth Observatory. Chief Scientist: Tom
Brocher. Multi-Channel Seismic and Seismic Refraction data
(airgun, 24channel) of field activity EW9415 (E-15-94-SC) in
Onshore/offshre Mojave Desert-Los Angeles Basin-San Clemente
Island from 10/13/1994 to 10/21/1994
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Organization
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Lamont-Doherty Earth Observatory
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Project/Theme
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Los Angeles Region Seismic Experiment (LARSE)
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National Plan
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Earthquake
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Chief Scientist
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Tom Brocher
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Activity Type
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Multi-Channel Seismic and Seismic Refraction
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Platform
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Maurice Ewing
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Area of Operation
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Onshore/offshre Mojave Desert-Los Angeles Basin-San Clemente Island
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Location map
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Bounding Coordinates
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34.01343
-119.71742 -117.66454
32.62936
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Ports
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Oct 13, 1994 - Long Beach, CA
Oct 21, 1994 - San Diego, CA
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Dates
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10/13/1994 (JD 286) to 10/21/1994 (JD 294)
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Analog Materials
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list
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Index map
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Information Specialist
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Crew
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Tom Brocher
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Chief Scientist
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Equipment Used
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Purpose
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Study deep seismic structure of Transverse Ranges, Los Angeles Basin,
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and Inner Continental Borderland
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Information to be Derived
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Multi-channel images of southwest edge of Los Angeles Basin
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show basin sediments truncated at large northeast dipping system of
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structures that separate them from Catalina Schist basement to the
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southwest. Moho beneath the Inner Continental Borderland is flat at
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about 14 km depth and it dips northeast to 20 km beneath Los Angeles
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Basin.
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Summary
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Data were gathered along three long profiles, all of which extended
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both onshore and offshore. One extended from the Mojave Desert to San Clemente
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Island, a second from Soledad region to the region west of San Clemente Isand,
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and a third from Orange County to the area offshore south of the northern
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Channel Islands.
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Publications
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Brocher, Thomas M., Clayton, Robert W., Klitgord, Kim D., Bohannon, Robert G., Sliter, Ray W.,
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McRaney, John K., Gardner, James V., and Keene, J.B., 1995, Multichannel seismic-reflection
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profiling on the R/V Maurice Ewing during the Los Angeles Region Seismic Experiment (LARSE),
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California: U.S. Geological Survey Open-File Report 95-0228, 70 p., 3 sheets.
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Brocher, T.M., Klitgord, Kim D., Bohannon, R.G., Sliter, R.W., Clayton, Robert W.,
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and ten Brink, Uri S., 1995, Overview of shipboard work during the Los Angeles Region
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Seismic Experiment (LARSE): American Geophysical Union Eos, Transactions, v. 76, no. 46,
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Supplement, p. 347.
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Got Help?
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For EW9415, we would appreciate any information on -- contract, days at sea, dive count, funding, kms of navigation, NGDC Info, notes, owner, project number, scanned materials, seismic description, station count, station description, submersible, tabulated info.
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