Washington, June 24 -. The tsunami warning issued by the Pacific after the earthquake of magnitude 7.9 on the Richter scale shook on Monday the Aleutians (Alaska, USA) islands has been canceled.The quake occurred at 11.53 local time (20.53 GMT) on Monday and its epicenter was located 24 kilometers southeast of the remote island of Sitkin and 114 kilometers deep, according to the U.S. Geological Survey (USGS).