EPSL-D-23-00491 REV1 Repository Supplementary repository for manuscript: Stevens, N.T., Zoet, L.K., Hansen, D.D., Alley, R.B., Roland, C.J., Schwans, E., and Shepherd, C.S. (In Review) Icequake insights on transient glacier slip mechanics near channelized subglacial drainage. Earth Planet. Sci. Lett. Purpose: Contain sufficient data and metadata for interested parties to reproduce event magnitude estimates in revision 1 of the manuscript. Author: Nathan T. Stevens Email: ntstevens@wisc.edu Created: 29. September 2023 ___________________________ Contents: + README.txt - this file! + EPSL_REV1_Mov1_Dynamics_In_Motion.mp4 - Movie 1 file from the manuscript + catalog.xml - QuakeML catalog composed of NonLinLoc output hypocentral solution files NOTE: EVID's correspond to the index of events contained in this file, starting with EVID = 000000 + site.csv - Station locations and deployment times + Sorted_Passive_Servicing.csv - station (re)installation orientation survey records + M0_stats_SNR_ge5_MA_le3days_SA_wt.csv - Summary CSV file containing statistics on seismic moments for each icequake. Statistics are run on estimates that have a minimum SNR of 5dB and a station deployment age of less than 3 days Fields: EVID - Event ID t0 - Event origin time nP - Number of valid P-wave estimates of M0 from L-channels nS - Number of valid SH-wave estimates of M0 from T-channels mE - UTM 11N easting coordinate of origin mN - UTM 11N northing coordinate of origin mZ - meters above sea level coordinate of origin hemin - minimum horizontal origin uncertainty hemax - maximum horizontal origin uncertainty verr - vertical origin uncertainty mean SNR - mean signal-to-noise-ratio mean R - mean source-receiver distance mean age - mean station age mean - unweighted mean of M0 estimates std - unweighted standard deviation of M0 estimates median - median of M0 estimates Q025 - 0.025 quantile of M0 estimates Q975 - 0.975 quantile of M0 estimates Q1 - 1st quartile of M0 estimates Q3 - 3rd quartile of M0 estimates min - minimum valid M0 estimate max - maximum valid M0 estimate Pmean - P-wave only unweighted mean M0 Pstd - P-wave only unweighted standard deviation of M0 Pmedian - P-wave only median M0 PQ025 - P-wave only 0.025 quantile of M0 PQ975 - P-wave only 0.975 quantile of M0 PQ1 - P-wave only 1st quartile of M0 PQ3 - P-wave only 3rd quartile of M0 Pmin - P-wave only minimum M0 Pmax - P-wave only maximum M0 Smean - SH-wave only unweighted mean M0 Sstd - SH-wave only unweighted standard deviation of M0 Smedian - SH-wave only median M0 SQ025 - SH-wave only 0.025 quantile of M0 SQ975 - SH-wave only 0.975 quantile of M0 SQ1 - SH-wave only 1st quartile of M0 SQ3 - SH-wave only 3rd quartile of M0 Smin - SH-wave only minimum M0 Smax - SH-wave only maximum M0 SNR_wt_mean - SNR weighted mean M0 (see Eqn. S1) SNR_wt_std - SNR weighted std of M0 AGE_wt_mean - Age weighted mean of M0 (see Fig. S5) AGE_wt_std - Age weighted std of M0 SA_wt_mean - SNR and age weighted mean of M0 <-- This is what's used in the manuscript SA_wt_std - SNR and age weighted std of M0 P_SNR_wt_mean - P SNR weighted mean P_SNR_wt_std - P SNR weighted std P_AGE_wt_mean - P age weighted mean P_AGE_wt_std - P age weighted std P_SA_wt_mean - P SNR and age weighted mean P_SA_wt_std - P SNR and age weighted std S_SNR_wt_mean - S SNR weighted mean S_SNR_wt_std - S SNR weighted std S_AGE_wt_mean - S age weighted mean S_AGE_wt_std - S age weighted std S_SA_wt_mean - S SNR and age weighted mean S_SA_wt_std - S SNR and age weighted std (ZIP ARCHIVE) Event_Waveforms.zip + Event_Waveforms/ - Directory containing event record subdirectories + EVID%06d/ - Directory labeled with 6 digit Event ID + net.sta.chan.loc_EVID.sac - Station-channel SAC file containing waveform data ... ... Many of these files ... + EVID%06d_mw_3C.csv - extracted data features for seismic moment (M0) for each station-channel-event instance Fields: EVID - Event ID t0 - Event origin time in UTC sta - station name phase - phase name refchan - preferred channel for M0 estimation age - age of station deployment in days RNAZ - receiver surveyed orientation relative to true north dd m - source-receiver distance iE rad - takeoff angle in radians SRAZ - source receiver azimuth RSAZ - receiver source azimuth (backazimuth) F* - phase-specific radiation coefficient tt sec - modeled phase travel time using vP or vS in the manuscript and dd m dtAIC - Proposed modeled travel time correction from AIC analysis Iu_L - Value of the definite integral of the displacement seismogram, L channel M0_L - M0 estimate calculated using the L channel for the specified phase type SNR_L - SNR calculated for specified phase type on the L channel Iu_Q - Value of the definite integral of the displacement seismogram, Q channel M0_Q - M0 estimate calculated using the Q channel for the specified phase type SNR_Q - SNR calculated for specified phase type on the Q channel Iu_T - Value of the definite integral of the displacement seismogram, T channel M0_T - M0 estimate calculated using the T channel for the specified phase type SNR_T - SNR calculated for specified phase type on the T channel + EVID%06d_that_3C.dat - snuffler marker file for modeled phase travel times and sampling windows for estimating the definite integral of displacement seismograms