# Tabular data used in GMMs

## Gulf Coast PSA ratio tables (cpa_*.csv)

Tables from the supplementary materials accompanying Chapman & Guo (2021). Martin provided tables
for PGA and PGV separately.

**Reference:** Chapman, M.C. and Guo, Z., 2021, A response spectral ratio model to account for
amplification and attenuation effects in the Atlantic and Gulf coastal plain: Bulletin of the
Seismological Society of America, v. 111, n. 4, p. 1849-1867.
doi: <https://doi.org/10.1785/0120200322>
