Bulletin of the Seismological Society of America, Volumes 11-13

amplitude Angeles April Azimuth from epicenter BAILEY WILLIS barometric Berkeley Bldg Branner buildings BULLETIN Calexico California CHIG chimneys coast Committee crystal curves h. m. s. damage December direction displacement districts disturbance Dominion Observatory earth earthquake days earthquake frequency earthquake shocks epicenter felt G. M. C. Time observed galvanometer geanticlinal Geological H. O. Wood horizontal instruments intensity investigation islands isoseismal Japan July Lassen Peak Los Angeles lunar mass maxima maximum miles Montessus de Ballore movement number of earthquakes Observatory occurred Omori Palo Alto pendulum perigee Perrey Perrey's Phase G. M. C. piezo-electric pressure probably quakes records region reported rift Rossi-Forel scale RSITY S. D. TOWNLEY San Francisco Santa seismic seismograph Seismological Society SITY Society of America Stanford University stations Stephen Taber syzygies tidal forces tidal stresses tion travel time tobs-te tremors UNIV UNIV valley vertical vibrations volcanoes Washington waves μ μ