Today (U.S. TV program) debuted, it was seen live only in the Eastern and Central time zones, broadcasting for three hours each morning but seen for only two hours in each time zone. Since 1958, "Today" has been tape-delayed for the five other U.S. time zones (Central, Mountain, Pacific, Alaska and Hawaii–Aleutian). Partly to accommodate host Dave Garroway's declining health, the program ceased live broadcasts in the summer of 1958, opting instead to broadcast an edition taped the previous afternoon. The experiment, which drew criticism from many sides, ended when John Chancellor replaced Garroway in July 1961. "Today" was a two-hour program for many
Aleutian Trench intensity (residual) of more than 600 γ (600 nanoteslas) were found in the center of the trench and more than 1100 γ on the southern flank. The subduction of the Pacific Plate below the North American Plate along the Aleutian Trench is associated with numerous earthquakes. Several of these earthquakes are notable for their size and/or associated tsunamis. Aleutian Trench The Aleutian Trench (or Aleutian Trough) is an oceanic trench along a convergent plate boundary which runs along the southern coastline of Alaska and the Aleutian islands. The trench extends for 3,400 km from a triple junction in the west