Hurricane Dora was one of few tropical cyclones to track across all three north Pacific basins, after weakening to a tropical depression on August 22, the storm dissipated on August 23 while centered several hundred miles north of which coral atoll in the western Pacific Ocean in the northeastern area of the Micronesia subregion, 1,501 mi east of Guam, 2,298 mi west of Honolulu and 1,991 mi southeast of Tokyo?