Data processing for the year 2000 seismic experiment in Wainuiomata, New Zealand

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SR_2002-021-pdf
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Yu, J. 2002 Data processing for the year 2000 seismic experiment in Wainuiomata, New Zealand . Lower Hutt: Institute of Geological & Nuclear Sciences. Institute of Geological & Nuclear Sciences science report 2002/21 275 p.

Abstract: 17 Gbytes of raw seismic data from the Wainuiomata, New Zealand, passive seismic experiment (22 June to 15 November 2000) have been sorted and processed. 3-component recordings of 77 seismic events were identified and extracted from the raw data. Minimal processing steps, including low pass frequency filtering to remove the 50 Hz industrial interferences and de-mean, which removes the zero Hz instrument drift, were applied to the extracted data. The processing has resulted in a seismic data set of 186 Mbytes in 2715 AH data files, of which each is for a component recording of an earthquake event recorded at a site in the Wainuiomata valley. Plots of the seismograms are presented in the report. Two CD Roms, one for the processed data and another for the PostScript files of the seismograms, are attached in the master copies of this report. (auth)