Tsunami Map, Puerto Rico Earthquake, 1918

1910s 1918 2 minute gridded global relief data 20th century arrival time atlantic ocean atlantic bathymetric bathymetry caribbean chart contour earth science earthquake epicenter earthquake famous geologic hazard geology geophysical global historical tsunami database history hydrographic hydrography map mona canyon mona passage national centers for environmental information national geophysical data center national oceanic and atmospheric administration natural disaster ncei ngdc noaa ocean depth october 11 phemomena puerto rican puerto rico seismic seismological seismology technology travel time tsunami travel time tsunami waves tsunami ttt