Authorities search phosphate mines in Aruba . The U.S. Geological Survey said the quake was centered about 20 miles southwest of Aruba. Giordano told authorities that he had been snorkeling with Gardner , also from Maryland , when he signaled to her to swim back , according to a statement . Aruba 's solicitor general says there 's no sign of missing woman , no evidence she is dead . Gary Giordano is being held in connection with Robyn Gardner 's disappearance .
Authorities search phosphate mines in Aruba . The U.S. Geological Survey said the quake was centered about 20 miles southwest of Aruba. Aruba 's solicitor general says there 's no sign of missing woman , no evidence she is dead . Gary Giordano is being held in connection with Robyn Gardner 's disappearance .