HAGATNA: A moderate earthquake has struck in waters off the island of Guam, but there are no reports of any damage or injury. The U.S. Geological Survey says in a preliminary report that themagnitude-5.1 quake struck Monday at 11:47 a.m. (0147 GMT) at a depth of about 21 miles (34 kilometers) . It was centered about 100miles southwest of Hagatna and 230 miles (370 kilometers) southwest of Saipan. A dispatcher from the Guam Police Department says there have been no reports of injuries or damages on the island. LINK