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Lutzky Associates Development. LP - Geotechnical Investiga,ion <br />MACTEC Project 4953-03-2631 <br />September 18,2003 <br />Table 6- Empirical Time Histories Selected for Spectral Matching <br />Records Earthquake Mw' Tectonic Site <br />Settingb Geology< <br />El Centre Array Station 7 1979 Imperial Valley 6.6 SS Alluvium <br />Hollister - South St. & Pine Dr.1989 Loma Prieta 7.0 SS Alluvium <br />Joshua Tree 1992 Landers 7.4 SS Alluvium <br />Yermo - Fire Station 1992 Landers 7.4 SS Alluvium <br />Newhall - LA County Fire Station 1994 Northridge 6.7 RO Alluvium <br />Sylmar - County Hospital 1994 Not-thridge 6.7 RO Alluvium <br />Cape Mendocino 1992 Petrolia 7.1 RO Sandstone <br />° Moment magnitude per the California Institute of Technology <br />Tectonic Setting of Fault: SS = Strike Slip, RO = Reverse Oblique <br />cSite Geology at Recording Station <br />Table 7 - Modified Orthogonal Horizontal Components <br />Records Initial PGA DBE UBE Corresponding <br />(g) Modified Modified <br />PGA (g)PGA (g)Figures <br />El Centro Array Station 7 9.1 to 9.10 <br />S40E Component 0.34 0.35 0.51 <br />S50W Component 0.46 0.38 0.49 <br />Hollister - South St. & Pine Dr.10.1 to 10.10 <br />NS Component 0.37 0.35 0.48 <br />EW Component 0.18 0.35 0.40 <br />Joshua Tree 11.ltoll.10 <br />NS Component 0.27 0.34 0.39 <br />EW Component 0.28 0.34 0.36 <br />Yermo - Fire Station 12.1 to 12.10 <br />NS Component 0.15 0.33 0.41 <br />EW Component 0.25 0.38 0.42 <br />Newhall - LA County Fire Station 13.1 to 13.10 <br />NS Component 0.59 0.36 0.40 <br />EW Component 0.58 0.34 0.44 <br />Sylmar - County Hospital 14.1 to 14.10 <br />NS Component 0.84 0.35 0.39 <br />EW Component 0.60 0.33 0.41 <br />Cape Mendocino 15.1 to 15.10 <br />NS Component 0.59 0.37 0.44 <br />EW Component 0.66 0.36 0.44