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NOAA Photo Library Image - cgs02175

The correlation of high seismicity with what is now known as the Gakkel Ridge, a segment of the mid-ocean ridge system. In: Proceedings of the American Philosophical 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. The first hint that the Mid-Atlantic Ridge continued through the Arctic Ocean.

Image ID: cgs02175, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Photo Date: 1937
Credit: Collected Papers of Captain Nicholas Heck, NOAA Central Library

Category: Coast and Geodetic Survey/Geophysics Seismology/

High Resolution Photo Available

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Last Updated:
November 10, 2017