Electronic Supplement to
Coda Q in the Northern Cascadia Subduction Zone

by Amir Mansour Farahbod, Andrew J. Calvert, John F. Cassidy, and Camille Brillon

Table S2. Average α Values and Estimated Uncertainties and Average Zmax for Different Sampling Volumes (4 ≥ n ≥ 2)

Station Q0±Error (a2 = 40 km, tlapse = 24 s) Q0±Error (a2 = 50 km, tlapse = 30 s) Q0±Error (a2 = 60 km, tlapse = 36 s) Q0±Error (a2 = 70 km, tlapse = 40 s) Q0±Error (a2 = 80 km, tlapse = 48 s) Q0±Error (a2 = 90 km, tlapse = 54 s) Q0±Error (a2 = 100 km, tlapse = 60 s)
BPBC - - 0.90±0.15 - - - -
CBB - - 1.00±0.14 0.91±0.08 - - -
CLVB - 0.77±0.04 - - - - 0.73±0.02
ETB - - - 1.06±0.09 - - 0.86±0.11
GOBB - 0.76±0.17 - - - - -
GOWB - - - - - - 0.74±0.04
HOLB - 0.95±0.09 - - - - -
KELB - 0.78±0.05 - - - - -
LZB - - - 0.98±0.05 - 0.74±0.08 -
MAYB - - 0.89±0.06 - 0.84±0.06 - -
MGB 1.06±0.13 - - - - - -
MGCB - - - 0.80±0.28 - - -
NLLB - - - - 0.88±0.02 - -
PFB - 0.84±0.06 - - - - -
PGC 0.97±0.04 - - - - - -
PHC - - - - 1.00±0.04 1.02±0.10 0.96±0.19
SHB 0.90±0.13 0.80±0.11 - 0.85±11 0.86±0.08 - -
SSIB - - - - - - 0.72±0.02
TSJB - - - 0.84±0.10 - - -
TWBB - - - 0.86±0.08 - - -
TWGB - - - 0.78±0.07 - - -
TWKB 0.92±0.07 - - - - - -
TXB - 0.74±0.01 - 0.78±0.12 - - -
VDB - 0.90±0.02 - - - - -
VI03 - - - - 0.88±0.06 - -
VI04 0.91±0.09 - - - 0.94±0.12 - -
VI06 - - 0.91±0.16 - - - -
VI07 - - 0.87±0.05 - - - -
VI10 - - 0.88±0.11 - - - -
VI12 - 0.89±0.10 - - - - -
VI52 0.96±0.10 - - - - - -
VI53 - 0.95±0.14 0.95±0.11 - - - -
VI54 - 0.85±0.13 - - - - -
VI57 - - 0.99±0.15 - - - -
WOSB - 0.94±0.06 - 0.89±0.13 - - -
WPB 0.98±0.07 0.88±0.09 - - - - -
YOUB - - 0.91±0.05 - - - -

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