Published October 21, 2020 | Version v1
Dataset Open

Slip model and dataset - A stochastic view of the 2020 Elazig Mw 6.8 earthquake (Turkey)

  • 1. Seismolab, Caltech

Description

This repository contains files describing the slip model and data published in "A stochastic view of the 2020 Elazig Mw 6.8 earthquake (Turkey)" by T. Ragon et al.

The slip model has been inferred with a Bayesian approach (AlTar), assuming a complex fault geometry with triangular subfaults and layered crustal structure, and accounting for epistemic uncertainties.
The slip model and dataset are extensively described in the publication.

Description of the files:
> Slip model
    - elazig_sigma_dip.dat : Standard deviation of the slip in the along-strike direction
    - elazig_sigma_stk.dat : Standard deviation of the slip in the along-dio direction
    - elazig_slip.dat : Total slip amplitude    
    - elazig_slip_dip.dat : Slip amplitude in the along-dip direction
    - elazig_slip_stk.dat : Slip amplitude in the along-strike direction     
    - elazig_slipdir.dat : Vectors for the rake
> Data
    - elazig_A116_data_rect.dat : downsampled surface displacement for the Sentinel 1A asc. interferogram
    - elazig_A182_data_rect.dat : downsampled surface displacement for the ALOS 2 asc. interferogram
    - elazig_A182_po_data_rect.dat : downsampled surface displacement for the ALOS 2 pixel offset ascending track
    - elazig_D077_data_rect.dat : downsampled surface displacement for the ALOS 2 dsc. interferogram
    - elazig_D077_po_data_rect.dat : downsampled surface displacement for the ALOS 2 pixel offset descending track
    - elazig_D123_data_rect.dat : downsampled surface displacement for the Sentinel 1A dsc. interferogram
    - elazig_gps_data.dat : GPS data

The format of all *slip* and *sigma* files at the exception of 'elazig_slipcenterll.dat' and 'elazig_slipdir.dat' is as follow:
> -Z[ slip amplitude ] # [subault index 1] [subfault index 2] 9999999   # [ strike slip amplitude] [dip slip amplitude] 0.0   
[longitude] [latitude] [depth of point 1]
[longitude] [latitude] [depth of point 2]
[longitude] [latitude] [depth of point 3]

The format of all inteferograms and PO files is as follow:
> -Z[surface displacement in the LOS or azimuth direction]
[lon] [lat for NW corner]
[lon] [lat for NE corner]
[lon] [lat for SE corner]
[lon] [lat for SW corner]
[lon] [lat for NW corner]

Files

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Additional details

Related works

Is supplement to
Preprint: 10.1002/essoar.10504361.1 (DOI)