M 6.1 - 116 km SE of Adak, Alaska

  • 2023-12-21 14:55:56 (UTC)
  • 51.210°N 175.331°W
  • 20.0 km depth
  • Felt Report - Tell Us!
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    Citizen Scientist Contributions
  • PAGERGREEN
    Economic Alert Histogram
    Estimated Economic Losses
    Fatality Alert Histogram
    Estimated Fatalities
  • Ground Failure
    Landslide Estimate

    Little or no area affected

    Little or no population exposed

    Liquefaction Estimate

    Little or no area affected

    Little or no population exposed

  • Aftershock Forecast
    According to our forecast, the chance of at least one aftershock within the next year:
    M 7+
    < 1%
    M 6+
    < 1%
    M 5+
    4%
    M 4+
    33%
    M 3+
    97%
  • Origin
    Review Status
    REVIEWED
    Magnitude
    6.1 mww
    Depth
    20.0 km
    Time
    2023-12-21 14:55:56 UTC
  • Contributors

    US

    Logo for USGS National Earthquake Information Center, PDE
    USGS National Earthquake Information Center, PDE
    Authoritative Network

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