pl23_cgs02174.jpg
Description
The correlation of high seismicity with the Mid-Atlantic Ridge. This map wasproduced in 1937. Note the refinement of earthquake zones on this map ascompared to the map in image cgs02176. In: Proceedings of the AmericanPhilosophical Society, Vol. 79, No. 1, Symposium on the Exploration of the Ocean Bottom Arranged by the American Geophysical Union (April 21, 1938), pp. 97-108.
Credit
Collected Papers of Captain Nicholas Heck, NOAA Central Library
Display Date
1937
Collection
Historic Coast & Geodetic Survey
Keywords
Coast and Geodetic Survey
Geophysics Seismology