Session No. 32 Tuesday, April 10, 2001

1:30 PM-4:30 PM, Sheraton Universal: Studio IV
T17. Heart of the Transverse Ranges: Geology and Tectonics of the LARSE II Region (San Fernando Valley, East Ventura Basin, and San Gabriel Fault) II
Thomas L. Wright, Gary S. Fuis and Robert S. Yeats, Presiding
Start Time
1:30 PM SUBSURFACE GEOLOGY OF THE SAN FERNANDO VALLEY, CALIFORNIA: WRIGHT, Thomas L., Consulting Geologist, 136 Jordan Avenue, San Anselmo, CA 94960, tomwrightgeo@aol.com, OKAYA, David, Southern California Eartquake Center, Univ of Southern California, Los Angeles, CA, and YEATS, Robert S., Oregon State University, and Hiroyuki, Kyoto University, Japan,
1:50 PM PRELIMINARY VELOCITY MODEL OF THE UPPER PART OF THE SAN FERNANDO VALLEY SEDIMENTARY BASIN: SIMILA, Gerry1, THYGESEN, Kristina2, FUIS, Gary3, THYBO, Hans2, MURPHY, Janice M3, and OKAYA, David4, (1) Geological Sciences, CSUN, 18111 Nordhoff St, Northridge, CA 91330-8266, gsimila@csun.edu, (2) Geological institut, Copenhagen Univ, Denmark, (3) U. S. Geological Survey, Menlo Park, CA, (4) Southern California Eartquake Center, Univ of Southern California, Los Angeles, CA
2:10 PM ASPECTS OF THE QUATERNARY GEOLOGY OF THE SAN FERNANDO VALLEY, CALIFORNIA: TINSLEY, John C. III, Earthquake Hazards Team, U.S. Geol Survey, 345 Middlefield Road (MS-977), Menlo Park, CA 94025, jtinsley@usgs.gov.
2:30 PM VARIABILITY OF SITE RESPONSE IN THE SAN FERNANDO VALLEY FROM THE 1994 NORTHRIDGE EARTHQUAKE USING AFTERSHOCK DATA AND SEISMIC REFLECTION MODELING: STEPHENSON, William J., U.S. Geol Survey, Box 25046, MS 966, Denver, CO 80225, wstephens@usgs.gov and HARTZELL, Stephen, U.S. Geological Survey, Box 25046, MS 966, Denver, CO 80225,
2:50 PM HEAT FLOW AND SEISMOTECTONICS OF THE WESTERN TRANSVERSE RANGES: WILLIAMS, Colin F.1, BEYER, Larry A.1, GRUBB, Frederick V.2, and GALANIS, S. Peter Jr1, (1) US Geol Survey, 345 Middlefield Rd, Menlo Park, CA 94025-3561, colin@usgs.gov, (2) US Geol Survey, Flagstaff, AZ 86001
3:10 PM CRUSTAL FRAGMENTATION AND NEOGENE ROTATIONS IN THE EAST VENTURA BASIN AND SAN FERNANDO VALLEY, SOUTHERN CALIFORNIA: LEVI, Shaul, College of Oceanic and Atmospheric Sciences, Oregeon State Univ, Corvallis, OR 97331, slevi@oce.orst.edu and YEATS, Robert S., Geosciences, Oregon State Univ, 104 Wilkinson Hall, Corvallis, OR 97331-5506,
3:30 PM STRUCTURES POSSIBLY RELATED TO THE 1971 SAN FERNANDO AND 1987 WHITTIER NARROWS EARTHQUAKES BASED ON THE ANALYSIS OF MAGNETIC AND GRAVITY DATA: HILDENBRAND, Thomas G., LANGENHEIM, Victoria E., and JACHENS, Robert C., U.S. Geol Survey, Mail Stop 989, 345 Middlefield Road, Menlo Park, CA 94025, tom@usgs.gov
3:50 PM THE 1994 NORTHRIDGE AND 1971 FAULT RUPTURES AND SURROUNDING SEISMOGENIC FAULTS AS ILLUMINATED BY SMALL EARTHQUAKES: SEEBER, Leonardo1, ARMBRUSTER, John G.1, and GEISER, Peter, (1) Lamont-Doherty Earth Observatory of Columbia Univ, Route 9W, Palisades, NY 10964, nano@ldeo.columbia.edu
4:10 PM REVERSE FAULT EARTHQUAKE PAIRS: SAN FERNANDO VALLEY 1971 AND 1994 AND NELSON, NEW ZEALAND 1929 AND 1968: YEATS, Robert S., Geosciences, Oregon State Univ, 104 Wilkinson Hall, Corvallis, OR 97331-5506, yeatsr@geo.orst.edu.

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