SplitDuration

Calculate the length of expected time periods of time-delays (acquired from shear-wave splitting) increase and decrease according to the empirical relations of Crampin et al. (2013).

For any issues, comments or suggestions please contact me at ispingos@geol.uoa.gr or through GitHub at https://www.github.com/ispingos/SplitDuration

You can find more information about stress cycles and shear-wave splitting in: Crampin, S., Gao, Y. & De Santis, A. (2013) A few earthquake conundrums resolved. J Asian Earth Sci 62, 501-509. doi: 10.1016/j.jseaes.2012.10.036

Compatibility

• This program was developed and tested in a Windows 10 64 bit with Python 3.7. It should work with Python 2 as well (assuming PyQt5 is installed), but it has not been tested for this release.
• The current released binary file is for Windows 10 64 bit. A future Linux binary may be added at at some time.

Prerequisites

If you want to run the source code, you will need to install the latest Python 3 and PyQt5. After installing Python 3, you can install the latter through a command prompt / terminal, using the command:

pip install PyQt5

How to run

With GUI:

• Simply run the script or the exe file. Insert the required earthquake magnitude in the respective field and press "Calculate".

Without GUI:

• From a console, run any of the two following commands in a command prompt / terminal (make sure you are in the source directory):

python SplitDuration.py --console=True

SplitDuration.exe --console=True

The program will prompt you to provide the required earthquake magnitude and will show the theoretical values for the accumulation and relaxation periods.

Related Software

If you are interested in shear-wave splitting, take a look at our analysis software Pytheas @ https://www.github.com/ispingos/pytheas-splitting