Figure 2. Relationship of discontinuities and aseismic segments of the Mid-Atlantic
Ridge. A - location of the Broken Spur field. B - study area in the South
Atlantic. Earthquake epicenters, from [CNSS..., 1997]. Cartographic base, from
predicted topography [Smith and Sandwell, 1997].
1 - Broken Spur active hydrothermal field, 2 - earthquake epicenter,
3 - dredge station.