"A New Map of Earthquake Distribution", by Captain Nicholas Heck, U. S. Coast and Geodetic Survey. In: The Geographical Review, Vol. XXV, 1935. Pp. 125-130. Heck noted for the first time that earthquakes were associated with the Mid- Atlantic Ridge in his accompanying paper. Heck first produced a world seismicity map showing the activity on the Mid-Atlantic Ridge in 1932.

Image ID: ship3197, Voyage To Inner Space - Exploring the Seas With NOAA Collect
Photographer: Archival Photography by Steve Nicklas, NOS, NGS


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