[Go back] | Publications Center | DOGAMI Home
IMS-16, Earthquake scenario and probabilistic ground shaking maps for the Portland, Oregon, metropolitan area, by Ivan Wong, Walter Silva, Jacqueline Bott, Douglas Wright, Patricia Thomas, Nick Gregor, Sylvia Li, Matthew Mabey, Anna Sojourner, and Yumei Wang, 2000, 16 p., 11 pl., 1:62,500. Zip file contains explanatory text and map sheets.
Full publication (60 MB .zip)
Maps (pdf format):
Sheet 1 - Earthquake scenario ground shaking map for the Portland, Oregon, metropolitan area, Portland Hills fault M 6.8 earthquake, 0.2 sec spectral acceleration at the ground surface (m68_5hz)
Sheet 2 - Earthquake scenario ground shaking map for the Portland, Oregon, metropolitan area, Portland Hills fault M 6.8 earthquake, 1.0 sec spectral acceleration at the ground surface (m68_1hz)
Sheet 3 - Earthquake scenario ground shaking map for the Portland, Oregon, metropolitan area, Cascadia subduction zone M 9.0 earthquake, peak horizontal acceleration at the ground surface (m90_pga)
Sheet 4 - Earthquake scenario ground shaking map for the Portland, Oregon, metropolitan area, Cascadia subduction zone M 9.0 earthquake, 0.2 sec horizontal spectral acceleration at the ground surface (m90_5hz)
Sheet 5 - Earthquake scenario ground shaking map for the Portland, Oregon, metropolitan area, Cascadia subduction zone M 9.0 earthquake, 1.0 sec horizontal spectral acceleration at the ground surface (m90_1hz)
Sheet 6 - Probabilistic earthquake ground shaking map for the Portland, Oregon metropolitan area, 10% probability of exceedance in 50 years, peak horizontal acceleration at the ground surface (500yrs_pga)
Sheet 7 - Probabilistic earthquake ground shaking map for the Portland, Oregon metropolitan area, 10% probability of exceedance in 50 years, 0.2 sec horizontal spectral acceleration at the ground surface (500yrs_5hz)
Sheet 8 - Probabilistic earthquake ground shaking map for the Portland, Oregon metropolitan area, 10% probability of exceedance in 50 years, 1.0 sec horizontal spectral acceleration at the ground surface (500yrs_5hz)
Sheet 9 - Probabilistic earthquake ground shaking map for the Portland, Oregon, metropolitan area, 2% probability of exceedance in 50 years, peak horizontal acceleration at the ground surface (2500yrs_pga)
Sheet 10 - Probabilistic earthquake ground shaking map for the Portland, Oregon, metropolitan area, 2% probability of exceedance in 50 years, 0.2 sec horizontal spectral acceleration at the ground surface (2500yrs_5hz)
Sheet 11 - Probabilistic earthquake ground shaking map for the Portland, Oregon, metropolitan area, 2% probability of exceedance in 50 years, 1.0 sec horizontal spectral acceleration at the ground surface (2500yrs_1hz)