Distance and direction of nearest 20 strong motion seismographs
(accelerometers) from earthquake. Such seismographs are of interest to 
structural engineers (data from ~seis/sites.dat).

     Earthquake is

     2.0 km  NE of HAO  -  Harrison (USGS, OR)
     3.7 km ENE of Portland, OR. State Univ, Bsmt. Cramer Hall (USGS)
     4.1 km   E of CSO  -  Canyon (USGS, OR)
     5.0 km  NE of Portland, OR. VA Hospital, Steam Plant (USGS)
     6.1 km WSW of RBO  -  Rocky Butte (USGS, OR)
     7.9 km   N of Portland, OR. Clackamas Highway Bridge (ODOT)
     7.9 km   N of Portland, OR. Terwilliger Interchange (ODOT)
     7.9 km   N of Portland, OR. Stark St&Water Ave, Morrison Ramp (ODOT)
    13.3 km   S of Vancouver, WA. VA Hospital Bldg. #4 (VA)
    15.7 km   S of ROSS -  Ross
    20.4 km   E of KEEL -  Keeler
    72.2 km SSE of ALST -  Alston
    92.9 km   S of Toutle River Dam, WA. (ACOE)
    94.5 km NNW of Detroit Dam, OR. (ACOE)
   114.0 km   S of Mossy Rock Dam, WA., Cowlitz R. (ACOE)
   117.6 km   W of The Dalles Dam, OR. (ACOE)
   118.6 km   N of Green Peter Dam, OR. (ACOE)
   152.2 km   N of Blue River Dam, OR. (ACOE)
   153.9 km   W of John Day Dam, OR. (ACOE)
   154.3 km   S of PCMD -  Mountain Detachment, Eatonville