36 days of earthqauke in japan

36 days of earthquake in japan 2011/3/10 - 2011/4/16 you hear raw seismological data of the channel BHZ (vertical broadband signal with a samplingrate of 20Hz). the signal is played about 4000 times faster to make it audible. one day lasts about 20 seconds. data of 4 different seismic stations in japan are mixed into a stereo image: MAJO: 36.5456696 E 138.2040558 N Honshu / Nagano ERM: 42.0149994 E 143.1571960 N Hokkaido JHJ2: 33.1152992 E 139.8137970 N Ko-jima JOW: 26.8360004 E 128.2725067 N Okinawa klaus filip using the data from IRIS Incorporated Research Institutions for Seismology www.iris.edu

Mathematica has long been Frank Scherbaum's tool of choice for his research in seismic hazard analysis. Over the years, he's developed more than 700 functions for his geophysics and seismology studies along with numerous interactive tutorials and Demonstrations. Now, he's using Mathematica's powerful documentation tools to link all of his work into an integrated system that will be deployed for students, teachers, and researchers to use in their probabilistic seismic hazard analysis work. Scherbaum says, "This is a big advantage to have something in one place where everything works together and where everything is consistent.... You can concentrate on what you want to learn and how you want to learn a program." • Dramatically enhances programming possibilities with interactive animation features Related Links: University of Potsdam, Dept. of Geosciences www.geo.uni-potsdam.de Demonstrations by Frank Scherbaum www.demonstrations.wolfram.com Wolfram Workbench www.wolfram.com
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