Madlazim, E. Hariyono
The purpose of the study was to estimate P-wave rupture durations (Tdur), dominant periods (Td) and exceeds duration (T50Ex) simultaneously for local events, shallow earthquakes which occurred off the coast of Indonesia. Although the all earthquakes had parameters of magnitude more than 6,3 and depth less than 70 km, part of the earthquakes generated a tsunami while the other events (Mw=7.8) did not. Analysis using Joko Tingkir of the above stated parameters helped understand the tsunami generation of these earthquakes. Measurements from vertical component broadband P-wave quake velocity records and determination of the above stated parameters can provide a direct procedure for assessing rapidly the potential for tsunami generation. The results of the present study and the analysis of the seismic parameters helped explain why the events generated a tsunami, while the others did not. © 2014 AIP Publishing LLC.
Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Negeri Surabaya (UNESA), Jl. Ketintang, Surabaya, 60231, Indonesia
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