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

    29.6 km  SW of 300 Area (H3O)
    32.8 km  NW of McNary Dam, OR. (ACOE)
    33.0 km SSW of 400 Area (H4O)
    43.6 km   S of 200 East (H2E)
    44.0 km   S of 200 West (H2W)
    52.4 km   W of Ice Harbor Dam, WA. Snake R. (ACOE)
    52.9 km   S of 100-K Area (H1K)
    90.7 km   N of Willow Creek Dam, OR.(ACOE)
    92.5 km   W of Walla Walla, WA. VA Hospital Bldg. #109 (VA)
   101.6 km ENE of John Day Dam, OR. (ACOE)
   138.1 km ENE of The Dalles Dam, OR. (ACOE)
   203.6 km   S of Chief Joseph Dam, WA. (ACOE)
   203.9 km SSW of Grand Coulee Dam, WA. (WPRS)
   211.1 km  SE of Howard Hanson Dam, WA. (ACOE)
   212.3 km ESE of Mud Mountain Dam, WA. (ACOE)
   224.0 km  SE of RAW  -  Raver
   225.5 km   E of Mossy Rock Dam, WA., Cowlitz R. (ACOE)
   226.1 km ESE of PCMD -  Mountain Detachment, Eatonville
   230.8 km  SE of ELW  -  Echo Lake
   232.0 km  SW of Spokane, WA. VA   Hospital Bldg. 3 (VA)