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  • Time Zones | Geophysical Institute
    When Alaska and Hawaii became states, the east-west midpoint of the U S shifted to the western boundary of the Pacific Standard Time zone The two new states fill the four time zones west of it, while the 48 old states fill the four zones east of it
  • Aurora Forecast | Geophysical Institute
    You'd switched to local time zone You are viewing 3-Day Forecast data in Alaska time Wednesday, April 01, 2026 moderate activity
  • Alaskans Double Their Daylight Savings | Geophysical Institute
    The wedges became time zones To avoid population centers, planners drew boundaries as crooked as the path of a wandering ant Because of Alaska's size, the state straddled four time zones: Bering, Alaska, Yukon and an unnamed zone in the far western Aleutians
  • Equinoxes, Time Zones and Daylight Savings - Geophysical Institute
    In summer, daylight savings time essentially moves the reference meridians an additional 15 degrees to the east, and most of Alaska is on 120th meridian time This doesn't bother anyone in midsummer, when the days are long, but it creates some peculiar situations in October
  • Home | Geophysical Institute
    The Seismology group conducts research and monitors Alaska's earthquakes and tsunamis The group includes the State Seismology Lab Alaska lies in a tectonically complex region bounded by a major subduction zone The group carries out high-resolution seismic recordings and studies the motion and configuration of tectonic plates Read more
  • Twilight Zone | Geophysical Institute
    Partly compensating for the miseries of winter in interior Alaska are the long twilights year-round Soft light casting long patterns through the trees and beautiful sunrises and sunsets are the result of the low sun in its slanting path across the horizon Near the equator, the sun rises and sets rapidly because its path is near perpendicular to the horizon There, the setting sun moves from
  • Looking back 60 years: How the Great Alaska Earthquake compares
    On March 27, 1964, at 5:36 p m local time, an earthquake of magnitude 9 2 initiated in the Prince William Sound region of Alaska The earthquake’s scientific impacts were monumental in shaping understanding of plate tectonics and subduction-zone earthquakes, as well as shaping approaches to understanding and modeling tsunamis
  • The Auroral Oval | Geophysical Institute
    The oval in the southern hemisphere is nearly a carbon copy of the one in the north, so when one sees an aurora, he or she can be certain that a similar aurora is occurring in the other hemisphere at the same time
  • Doubling our daylight savings | Geophysical Institute
    The wedges became time zones, the borders of which squiggled to avoid large cities and towns Alaska covers 57 5 degrees of longitude, almost the same as the 57 6 degrees between Maine and Washington Before 1983, the state covered four time zones: Bering, Alaska, Yukon and an unnamed zone in the far western Aleutians
  • Earthquake adds missing piece to puzzle - Geophysical Institute
    To West’s relief, the magnitude 7 8 earthquake that happened at 10:12 p m Alaska time did not cause a damaging tsunami Reports of 6-inch waves on the shores of Sand Point were among the highest recorded West and his colleagues at the University of Alaska Fairbanks Geophysical Institute were still awash in data one day after the event





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