1.1 SPATIAL DISTRIBUTION FEATURES OF PSEUDO VELOCITY RESPONSE FROM THE 2011 OFF THE PACIFIC COAST OF TOHOKU EARTHQUAKE (Mw9.1) AND ITS INTRASLAB AFTERSHOCK (Mw7.1), Nobuo Takai and Tsutomu Sasatani.

1.2 TEMPORAL CHANGES OF SITE RESPONSE DURING THE Mw9.0 TOHOKU EARTHQUAKE IN JAPAN, Chunquan Wu and Zhigang Peng.

1.3 SCALING OF SHORT-PERIOD SPECTRAL LEVEL OF ACCELERATION SOURCE SPECTRA FOR AFTERSHOCKS AND FORESHOCKS OF THE 2011 OFF THE PACIFIC COAST OF TOHOKU EARTHQUAKE, Toshimi Satoh.

1.4 PROPOSAL OF EXTENDED STRONG-MOTION ESTIMATION METHOD BASED ON SITE AMPLIFICATION AND PHASE CHARACTERISTICS FOR THE 2011 TOHOKU, JAPAN, EARTHQUAKE, Atsushi Wakai and Atsushi Nozu.

1.5 PRELIMINARY SITE RESPONSE STUDY IN THE BIO BIO REGION, CHILE, USING THE KAPPA METHOD, Corrie Neighbors, Eric Liao, Elizabeth S. Cochran, Angela Chung, Jesse F. Lawrence, Arturo Belmonte, Matt Miller, and Hector H. Sepulveda.

1.6 EFFECTS OF TOPOGRAPHIC POSITION AND GEOLOGY ON SHAKING DAMAGE TO RESIDENTIAL WOOD-FRAME STRUCTURES DURING THE 2003 SAN SIMEON EARTHQUAKE, WESTERN SAN LUIS OBISPO COUNTY, CALIFORNIA, Timothy P. McCrink, Chris J. Wills, Charles R. Real, and Michael W. Manson.

1.7 SEISMOMETRIC RECORDING OF HYPOGEOUS FAILURES DUE TO A ROCK MASS SPREADING IN CENTRAL APENNINES (ITALY), Luca Lenti, Salvatore Martino, Antonella Paciello, Alberto Prestininzi, and Stefano Rivellino.

1.8 THE DEEP STRUCTURE OF THE L'AQUILA BASIN INVESTIGATED USING ARRAY MEASUREMENTS, Giuseppe Di Giulio, Fabrizio Cara, Giuliano Milana, and Iolanda Gaudiosi.

1.9 STRONG GROUND MOTION IN PORT-AU-PRINCE, HAITI, DURING THE M7.0 12 JANUARY 2010 HAITI EARTHQUAKE, Susan E. Hough, Doug Given, Tomoyo Taniguchi, Jean-Robert Altidor, Dieuseul Anglade, and Saint-Louis Mildor.

1.10 COUPLED TOPOGRAPHY-STRATIGRAPHY EFFECTS DURING THE M7.0 HAITI EARTHQUAKE: THE CASE OF HOTEL MONTANA, Dominic Assimaki and Seokho Jeong.

1.11 TOWARDS A SEISMIC MICROZONATION OF CONCEPCION URBAN AREA BASED ON MICROTREMORS, SURFACE GEOLOGY, AND DAMAGE OBSERVED AFTER THE MAULE 2010 EARTHQUAKE: FIRST RESULTS, Felipe Leyton, Gonzalo Montalva, and Paola Ramirez.

1.12 ESTIMATING SEISMIC SITE RESPONSE IN CHRISTCHURCH CITY (NEW ZEALAND) FROM DENSE LOW-COST AFTERSHOCK ARRAYS, Anna E. Kaiser, Rafael A. Benities, Angela I. Chung, A. John Haines, Elizabeth Cochran, and Bill Fry.

1.13 LONG-PERIOD (3 TO 10S) GROUND MOTIONS IN AND AROUND THE LOS ANGELES BASIN DURING THE Mw7.2 EL MAYOR-CUCAPAH EARTHQUAKE OF APRIL 4, 2010, Ken Hatayama and Erol Kalkan.