DOI: 10.5281/zenodo.15649006
title: Annual Variations in Nepalese Seismicity: b-values and Seismicity Rates

description: This repository contains a dataset relevant to the publication "Colledge et al., (in prep). Annual Variations in Nepalese Seismicity: b-values and Seismicity Rates."

Each file corresponds to a specific piece of data according to the following organisation :

 

 



Seismicity catalogue filesdetoured_catalogue_above_completeness.csvdetoured_catalogue_above_completeness_reasenberg.csvdetoured_catalogue_above_completeness_nearest_neigbor.csv


These catalogues include the following fields:

DateTime [YYYY-mm-dd HH:MM:SS.fff], Latitude [°], Longitude [°], Magnitude [n.a.]

 

 



Stress estimates filestress_estimates.csv


This file includes the following fields, with stress computed at 20 km depth:

DateTime [YYYY-mm-dd], Longitude [°], Latitude [°], Normal stress variations [Pa], Alongstrike stress variations [Pa], Downdip stress variations [Pa], Coulomb stress variations [Pa], Coulomb stress rate [Pa], Normal stress rate [Pa], Downdip stress rate [Pa], Alongstrike stress rate [Pa]

 

 



Completeness magnitude variations filescompleteness_magnitude_variations.csv


This file contains completeness magnitude variations as shown in figure 2 and includes the following fields:

DayOfYear [day], Completeness magnitude [n.a.]

 

 



Seismicity rate variations filesseismicity_rate_variations.csvseismicity_rate_variations_reasenberg.csvseismicity_rate_variations_nearest_neighbour.csv


These files contain seismicity rate variations as shown in figure 4 and include the following fields:

DayOfYear [day], Seismicity rate [day-1]

 

 



Schuster p-value filesschuster_p_values_reasenberg.csvschuster_p_values_nearest_neighbour.csv


These files contain Schuster p-values as a function of threshold magnitude as shown in figure 5, and include the following fields:

Threshold magnitude [n.a.], Schuster p-values (p_val)  [n.a.], Schuster median random walk p-values (p_rw)  [n.a.], Schuster 90% random walk p-values (p_90)  [n.a.], Schuster 95% random walk p-values (p_95)  [n.a.], Schuster 99% random walk p-values (p_99)  [n.a.]

 

 



b-value variation filesFigure 6bvalues_variations_mle_jackknife_fig6.csvbvalues_variations_mle_mean_fig6.csvbvalues_variations_bpos_jackknife_fig6.csvbvalues_variations_bpos_mean_fig6.csvFigure S6bvalues_variations_mle_jackknife_figS6.csvbvalues_variations_mle_mean_figS6.csvFigure S7bvalues_variations_mle_jackknife_figS7.csvbvalues_variations_mle_mean_figS7.csvFigure S8bvalues_variations_bpos_jackknife_figS8.csvbvalues_variations_bpos_mean_figS8.csv


These files contain maximum likelihood and b-positive b-value annual variations estimates, calculation window lengths and Lilliefors p-value variations, as shown in figures 6, S6, S7, S8, S9 and S10 and include the following fields:

Year removed for jackknife [Year], b-value [n.a], window duration [days], Window start day of year [days], Window end day of year [days], Window centre day of year [days], Lilliefors p-value [n.a.], Number of earthquakes in window [n.a.]

 

 



Bootstrap p-valuesSignificance_mc_3.0_window_duration_50_draws_5000.npy


This file contains bootstrap p-value for b-value variation significance at different times of year as shown in figure 7, and is structured as a matrix of p-values with positions matching thus displayed in figure 7, rows and columns corresponding to the centres of windows.

 

 



Monthly b-valuesmonthly_b_values_above_m3.csvmonthly_b_values_above_m32.csv


These files contain monthly b-value and stress estimates as shown in figure 8, and include the following fields:

Month [month], b-value [n.a], b-value std [n.a.], Coulomb stress [Pa], Coulomb stress rate [Pa.yr-1]