Washington DC Stone - EQ

Map of Washington, DC, showing Piedmont rocks (pink) and ACP strata and other unconsolidated deposits (yellow) (Darton, 1950; Southworth & Denenny, 2006; Powars, Catchings et al., 2015, Powars, Edwards et al., 2015). The red dots show seismometer sites, the black shapes show major buildings, and the rivers are gray. AFRH = Armed Forces Retirement Home (Sherman building); CA = Capitol; LM = Lincoln Memorial; NA = National Airport; NC = Washington National Cathedral;PG = Pentagon; WA = Washington Monument; WH = White House. The red line is a cross section.