TULAROSA, N.M. — A strong rumble woke 13-year-old Lucy Benavidez Garwood in the darkness,shaking the three-room adobe house where she and her family lived and rattling dishes in the kitchen cupboard. Neighbors who gathered that morning agreed it must have been an earthquake. They learned the truth several weeks later when U.S. forces attacked Hiroshima and Nagasaki, Japan.