Alaska Time Zone Alaska Time Zone The Alaska Time Zone observes standard time by subtracting nine hours from Coordinated Universal Time (). During daylight saving time its time offset is eight hours (). The clock time in this zone is based on mean solar time at the 135th meridian west of the Greenwich Observatory. The zone includes nearly all of the U.S. state of Alaska and is one hour behind the Pacific Time Zone. The western Aleutian Islands observe Hawaii–Aleutian Time, one hour behind the remainder of the state. Effective from 2007, the local time changes from AKST to AKDT at 02:00 LST
Aleutian Range a transfer of 1.6 Tg of SO into the stratosphere and disturbed flights over this area for a short period following the eruptions. The 7.9 Mw Aleutian Islands earthquake occurred in June 2014 at an intermediate depth of 107 km. The quake was caused by oblique normal faulting along the Aleutian Trench, a convergent boundary where the Pacific plate is subducting underneath the North American plate at around 59 mm/year. Aleutian Range The Aleutian Range is a major mountain range located in southwest Alaska. It extends from Chakachamna Lake (80 miles/130 km southwest of Anchorage) to Unimak Island, which is