The supplemental material includes seven tables (as text files, .txt) that provide earthquake catalog and the dynamic strain analysis values plotted in Figures 3–8 of the main text.
There are also two figures that provide magnitude/distance information about the earthquakes used and the time delays of the maximum strain.
Table S1. The earthquakes in this study are listed with dates, locations, magnitudes, and distances and azimuths from the Piñon Flat Observatory (PFO).
Table S2. The time span analyzed for each earthquake.
Table S3. For each earthquake, the observed peak amplitudes are listed for five strains: dilatation (Dil), radial (Err) and transverse (Ett) extension, shear in radial and transverse coordinates (Ert), and maximum shear (Max Sh). These strain amplitudes (Obs) are dimensionless and in nanostrain. For each strain, the table also gives the (unitless) ratio of observed values to the values predicted by the best-fitting regressions.
Table S4. For each earthquake, the observed values for peak power dissipation (Pk Pow, in Watts/cubic meter) and total dissipated energy (Energy, in Joules/cubic meter), for dilatation (Dil]) and deviatoric shear (Shr) are listed. The ratios of observed values to the values predicted by the best-fitting regressions for each earthquake are included.
Table S5. For the subset of earthquakes recorded at PFO and stations DHL and SCS, the observed values (amp, in nanostrain) at PFO and DHL for half-peak–to–peak areal strain and the ratios between the values at PFO, DHL, and SCS are listed. All three possible ratios are given; for example, DH/PF is the ratio for the value at Durmid Hill, divided by the value at PFO, and SC/PF is the ratio for SCS relative to PFO.
Table S6. For the subset of earthquakes recorded at PFO, DHL, and SCS, the observed values (amp, in nanostrain) at PFO and DHL for half-peak–to–peak shear strain (north–south minus east–west) and the ratios between the values at PFO, DHL, and SCS are listed. All three possible ratios are given; for example, DH/PF is the ratio for the value at Durmid Hill, divided by the value at PFO, and SC/PF is the ratio for SCS relative to PFO.
Table S7. For each earthquake, the observed (unitless) value for the ratio of peak transverse extension to peak radial extension, both for the actual back azimuth (Back) and for the azimuth that gives the smallest ratio (Best), are given, as are both azimuths (in degrees counterclockwise from north).
Figure S1. The distribution, in magnitude and distance from PFO, of the analyzed earthquakes.
Figure S2. The delay between the origin time of the earthquake and the peak strain observed at PFO, expressed in terms of average velocity.
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