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RambleOnNW
Explorer II
Oct 19, 2020

Tsunami Warning, M7.5, 1:54PM, 10/19/20, SE Alaska

Magnitude: 7.5 Origin Time: 10/19/2020, 1:54:40 PM
Depth: 25 mi.Lat: 54.7° N Lon: 159.6° W
Location: 55 miles SE of Sand Point, Alaska

No warnings issued yet for outside Alaska

More info:

https://t.co/npoUHxEZLS?amp=1
  • Results were low amplitude:


    TIME OBSERVED MAX
    SITE OF MEASUREMENT TSUNAMI HEIGHT
    ---------------------------- ---------------- --------------
    Sand Point Alaska 1611 PDT Oct 19 2.3ft
    King Cove Alaska 1636 PDT Oct 19 2.1ft
    Nikolski Alaska 1637 PDT Oct 19 0.3ft
    Unalaska Alaska 1758 PDT Oct 19 0.3ft
    Atka Alaska 1652 PDT Oct 19 0.2ft
    Chignik Bay Alaska 1826 PDT Oct 19 2.5ft
    Crescent City CA 1944 PDT Oct 19 0.7ft

    MEASUREMENTS OR REPORTS OF TSUNAMI WAVE ACTIVITY

    GAUGE LOCATION LAT LON TIME AMPL PER
    ------------------- ----- ------ ----- --------------- -----
    KAHULUI MAUI 20.9N 156.5W 0346Z 0.13M / 0.4FT 20MIN
    HILO HI 19.7N 155.1W 0211Z 0.28M / 0.9FT 16MIN
    HANALEI HI 22.2N 159.5W 0304Z 0.26M / 0.8FT 18MIN
    NAWILIWILI HI 22.0N 159.4W 0142Z 0.09M / 0.3FT 12MIN
    KAWAIHAE HAWAII 20.0N 155.8W 0205Z 0.05M / 0.2FT 12MIN
    MOKUOLOE OAHU 21.4N 157.8W 0214Z 0.02M / 0.1FT 08MIN
    HALEIWA HI 21.6N 158.1W 0147Z 0.19M / 0.6FT 10MIN