The earthquake occurs along the plate boundary of Africa and South America due to the presence of the mid-Atlantic ridges that are spreading at a fast rate. They are spreading at the rate of 3.0 cm per year.
A large number of earthquakes and volcanic activity has been seen along the eastern side of the ridge.
Second, the image shows the evidence of the spreading of the mid-Atlantic ridges as the Mesosaurus fossils that formed is currently 4000 meters apart today.
