WEAK51 PAAQ 192336 TSUAK1 BULLETIN Public Tsunami Message Number 6 NWS National Tsunami Warning Center Palmer AK 336 PM AKDT Mon Oct 19 2020 UPDATES ------- * Updated observations ...THE TSUNAMI ADVISORY REMAINS IN EFFECT... Tsunami Advisory in Effect for; * SOUTH ALASKA AND THE ALASKA PENINSULA, Pacific coasts from Kennedy Entrance, Alaska (40 miles SW of Homer) to Unimak Pass, Alaska (80 miles NE of Unalaska) For other US and Canadian Pacific coasts in North America, there is no tsunami threat. FORECASTS OF TSUNAMI ACTIVITY ----------------------------- * A tsunami has been generated. The first waves are forecasted to arrive at the following locations and specified times. * Forecast tsunami duration is the approximate length of time which the tsunami may produce dangerous currents and waves. * Forecast max tsunami height is the highest expected water level above the tide. * Forecasts are not provided for sites which have been impacted more than an hour prior to the time of this message. FORECAST FORECAST FORECAST START TSUNAMI MAX TSUNAMI SITE OF TSUNAMI DURATION HEIGHT ---- ---------- -------- ------------- * Alaska Cold Bay 1445 AKDT Oct 19 less than 1ft Kodiak 1450 AKDT Oct 19 less than 1ft OBSERVATIONS OF TSUNAMI ACTIVITY - UPDATED ------------------------------------------ * Observed max tsunami height is the highest recorded water level above the tide level up to the time of this message. TIME OBSERVED MAX SITE OF MEASUREMENT TSUNAMI HEIGHT ---------------------------- ---------------- -------------- Sand Point Alaska 1611 PDT Oct 19 2.3ft King Cove Alaska 1623 PDT Oct 19 1.6ft Nikolski Alaska 1601 PDT Oct 19 0.2ft Unalaska Alaska 1612 PDT Oct 19 0.3ft Chignik Bay Alaska 1632 PDT Oct 19 1.1ft PRELIMINARY EARTHQUAKE PARAMETERS --------------------------------- * Magnitude 7.5 * Origin Time 1255 AKDT Oct 19 2020 1355 PDT Oct 19 2020 2055 UTC Oct 19 2020 * Coordinates 54.7 North 159.6 West * Depth 25 miles * Location 55 miles SE of Sand Point, Alaska 575 miles SW of Anchorage, Alaska RECOMMENDED ACTIONS ------------------- * See message number 5 for recommended actions. IMPACTS ------- * See message number 5 for possible impacts. ADDITIONAL INFORMATION AND NEXT UPDATE -------------------------------------- * Refer to the internet site tsunami.gov for more information. * Pacific coastal residents outside California, Oregon, Washington, British Columbia and Alaska should refer to the Pacific Tsunami Warning Center messages at tsunami.gov. * This message will be updated within 30 minutes. $$