Electronic Supplement to
Coulomb Stress Interactions during the M_w 5.8 Pawnee Sequence

by Colin Pennington and Xiaowei Chen

Table S3. Combined ΔCFS (Coulomb Stress Change) from Foreshocks A–C on U.S. Geological Survey (USGS) and Double-Difference Mainshock Hypocenter Location Using Different Coefficients of Friction

μ*	Location	ΔCFS Nodal Plane 1 107°/90°/0° (bar)	ΔCFS Nodal Plane 2 197°/90°/−180° (bar)	Mean of Both Nodal Planes
0	USGS	2.086	2.085	2.085
0.2	USGS	1.386	1.884	1.635
0.4	USGS	0.688	1.684	1.186
0.6	USGS	−0.011	1.484	0.736
0.8	USGS	−0.710	1.284	0.287
0	hypoDD	1.145	1.145	1.145
0.2	hypoDD	1.561	0.989	1.275
0.4	hypoDD	1.977	0.833	1.405
0.6	hypoDD	2.393	0.678	1.536
0.8	hypoDD	2.081	0.522	1.666

*Coefficient of friction.

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