Calculating Displacement Seismic Amplitude Ratio (DSAR) Value
Project description
Displacement Seismic Amplitude Ratio (DSAR)
How to Use
- All the seismic data must have SDS Directory as an input. See an example in input directory. Or you can check it here https://www.seiscomp.de/seiscomp3/doc/applications/slarchive/SDS.html
- Inside
main.py
ormain.ipynb
change those parameters:
network = "VG"
station = "PSAG"
location = "00"
channel = "EHZ"
sds_directory = r"D:\Projects\dsar\input"
output_directory = 'output'
start_date = "2017-12-01"
end_date = "2017-12-03"
bands: dict[str, list[float]] = {
'HF' : [0.1, 8.0, 16.0],
'LF' : [0.1, 4.5, 8.0],
}
resample_rule: str = '10min'
- Run the
main.py
ormain.ipynb
. - The output of this code would be saved into
output
directory and will be used as an input ofdsar.py
. - Run
dsar.py
to get the calculated dsar CSV and plot the result.
References
Caudron, C., et al., 2019, Change in seismic attenuation as a long-term precursor of gas-driven eruptions: Geology, https://doi.org/10.1130/G46107.1
Chardot, L., Jolly, A. D., Kennedy, B. M., Fournier, N., & Sherburn, S. (2015). Using volcanic tremor for eruption forecasting at White Island volcano (Whakaari), New Zealand. Journal of Volcanology and Geothermal Research, 302, 11–23. https://doi.org/10.1016/j.jvolgeores.2015.06.001
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