... Array ( GVDA ) and the Wildlife Liquefaction Array ( WLA ). The seismic interferometry by deconvolution method is applied to earthquake data recorded by the multisensor vertical array between January 2005 and September 2013. Along the cross section, local shear‐wave velocity is extracted by estimating...

...Thomas L. Holzer; T. Leslie Youd Abstract Excess pore-water pressure and liquefaction at the Wildlife Liquefaction Array in 1987 were caused by deformation associated with both high-frequency strong ground motion and 5.5-second-period Love waves. The Love waves produced large (∼1.5%) cyclic shear...

... of these three functions. Finally, the demand energy of two liquefaction array sites—Port Island (PI) site in Japan and Wildlife Liquefaction Array (WLA) site in California—were predicted by the proposed attenuation model and compared to the calculated capacity energies of these sites with satisfactory results...

...Table 1 Soil Properties at the Wildlife Liquefaction Array (from Bonilla et al. , 2005 ) Layer Description Top (m) V S (m·s −1 ) * ρ (kg·m −3 ) † (°) ‡ (°) § K 0 ‖ ξ max # 1 Silt 0 99 1600 28 1.0 0.3 2 1.5 99 1928 28 1.0...

..., whereas medium-stiff and soft soil conditions are present at the Garner Valley Downhole Array (GVDA) and Wildlife Liquefaction Array (WLA) field test sites, respectively. At both field tests sites, the structure was mounted on cast-in-place shallow mat foundations. Forced vibrations were applied...

...Figure 1. Shear‐wave velocity profiles and stratigraphy of the five downhole 27 arrays (KSRH07, TCGH16, Wildlife Liquefaction Array [WLA], Lotung Array [LSST], and Port‐Island Array [PIDA]) and centrifuge experiments (CSP3 and CFF2). The inset details the shear wave velocity profiles at shallower...

... ; Aguirre and Irikura, 1997 ). One direct in situ observation of nonlinearity in borehole data is from the M L 6.6 24 November 1987 Superstition Hills earthquake. The Wildlife Refuge liquefaction array recorded acceleration at the surface and 7.5-m depth, and pore pressure on six piezometers...

... surface evidence of liquefaction was observed (FLDM_SFEV), and a description of the observation (FLDM_DESC). Observations are available at the Wildlife Array site for four different events, two of which produced surface evidence of liquefaction (1981 M 5.9 Westmorland and 1987 M 6.54 Superstition Hills...

... the nonlinear response of soil: Application to the garner valley downhole array and the wildlife liquefaction array , Bull. Seismol. Soc. Am. 105 , 993 – 1010 . Elgamal A. W. Zeghal M. Tang H. T. , and Stepp J. C. 1995 . Lotung downhole array. 1: Evaluation of site dynamic...

... < 1 s. The ground motion database used for developing the 2008 NGA GMPEs ( Chiou et al. 2008 ) included a total of 3,551 recordings, of which only four are known or suspected to have been recorded at sites with liquefaction: Wildlife Liquefaction Array in the 1987 Superstition Hills...

...Figure 1. The seismicity from 1981 to 2012 August is shown as black open circles, and the events of the 2012 August Brawley swarm are shown as red circles. Lower‐hemisphere focal mechanisms of the M w >5 events are shown. IRC , Imler Road creepmeter; WLA , Wildlife Liquefaction Array...

... , P. N. , Seekins , L. C. , and Switzer , L. C. ( 1989 ). Processed strong-motion records from the Imperial Wildlife liquefaction array, Imperial County, California, recorded during the Superstition Hills earthquakes, November 24, 1987 . U.S. Geol. Surv. Open-File Rep. 97-87 , 115...