Bulletin of the Seismological Society of America, Volume 53, Issues 1-3The Society, 1963 - Seismology |
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Common terms and phrases
acceleration Accelerograph amplitude anchor bolts approximately bracing building Bull calculated California Canadian shield CANSD Chile Chilean earthquakes column component computed Concepcion core shear velocity corresponding crack crustal damage determined dispersion displacement distance earth earthquake effect elastic energy epicenter equation Ewing explosions fault plane focal depth frequency fundamental mode Geophys ground motion group velocity higher modes horizontal Huachipato indicated June km/sec layer locations long period longitudinal wave Love waves Magnitude microseisms observed obtained oceanic P-wave p.m. PST Palisades paths peak period microseisms phase velocity propagation Puerto Montt pulse ratio Rayleigh waves recorded region reinforced concrete seconds Seism seismic waves seismograms Seismological Society seismometer shear mode shocks shown in figure solution spectra stack stations steel structures surface waves tion ultralong period USCGS Valdivia values velocity curve velocity data vertical vibration wall wave data wave trains