29 November 2002
Vol 298, Issue 5599

About The Cover

Cover image expansion

COVER A view of the Hess Deep rift seafloor, looking west-northwest. Hess Deep is located at the westernmost tip of the Galapagos Rise spreading center in the eastern equatorial Pacific. The rift valley, 5.4 km deep, is formed as the Galapagos Rise propagates westward through the oceanic crust of the East Pacific Rise spreading center (upper left corner). 1765 [Image: J. S. Floyd]