M 6.4 - 78 km NNW of Adak, Alaska

  • 2023-10-16 11:35:30 (UTC)
  • 52.559°N 176.924°W
  • 174.0 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+
    < 1%
    M 4+
    6%
    M 3+
    44%
  • Origin
    Review Status
    REVIEWED
    Magnitude
    6.4 mww
    Depth
    174.0 km
    Time
    2023-10-16 11:35:30 UTC
  • Contributors

    US

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    USGS National Earthquake Information Center, PDE
    Authoritative Network

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