“Distribution of Earthquakes” as mapped by Commander Nicholas Heck of the United States Coast and Geodetic Survey and published in the Transactions of the American Geophysical Union for 1936 (P. 93) clearly showing the seismicity of the Mid-Atlantic Ridge and some other segments of the world rift system.
Photo Category: Exploration - Maps
| Added On | 18th October 2015 |
| Viewed | 7 viewed |