All releases of STK Seismic Tool-Kit

  •  31 Aug 2006 08:32
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    Release Notes: This release uses a new version of MM_mag. A bug in cal_mm.cpp with the selection of period, which is function of focal depth was corrected. A new Mw_vs_period file containing the average of Mw at each period is computed.

    •  13 Aug 2006 07:11
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      Release Notes: A major bug was corrected in MM_mag (in the utility program for computing the moment magnitude) in the function for selecting files (list_dir_unix3 in basic.cpp file). Also, results for Love wave are presented identically as for Rayleigh waves.

      •  21 Jun 2006 12:26
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        Release Notes: The main project (STK) was compiled for Win32, so a binary executable for Windows OS is also available, in addition to the Unix/Linux project.

        •  11 Jun 2006 11:14
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          Release Notes: The MM_mag utility program has been compiled for Windows. Winows executables of the MECA, SEED_RESP, SAC2WAVE, and AZI utility programs were also compiled. The compilation was done using MinGW and msys.

          •  26 May 2006 21:49
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            Release Notes: A major bug has been corrected in time-frequency analysis: the step in frequency was wrong, and so introduced random 20-30% bias in frequency estimation. This bug is probably inside the previous 10 versions of STK. Do not use time-frequency with version older than 0.39.

            •  26 May 2006 06:14
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              Release Notes: A correction was made in file Doc/Install.html. Mm_mag was updated to version 1.05. Extrema values of magnitudes are removed in standard error criteria functions.

              •  14 Feb 2006 07:02
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                Release Notes: A new version of MM_mag was included. Extreme values of magnitudes are now removed on criteria based on standard error and average value. The final estimation of magnitude is better constrained without taking into account extreme values, most of which are due to problems with poor quality signals such as glitches, channel down, etc.

                •  22 Dec 2005 06:56
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                  Release Notes: Code in the SEED_RESP utility program was cleaned up and the computation of frequency_step was changed to be geometric instead of regular step between FMIN and FMAX. Consequently, the modulus no longer needs a large number of points to describe the entire spectrum.

                  •  12 Dec 2005 10:16
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                    Release Notes: A major bug was corrected in the MM_mag utility program regarding the conversion from SAC_BIN to SAC_ASCII. A new version has been created (MM_mag_1.03).

                    •  05 Nov 2005 19:21
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                      Release Notes: A major bug was corrected in the generation of PostScript files for the TIME_FREQUENCY representation in utility programs that use GMT. The TIME-FREQUENCY computation has been greatly improved with overlapped moving windows. Numerical rounding errors on the frequency step were also corrected.

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