TSUNAMI WARNING DOWNGRADED TO ADVISORY UPDATES ------- * Updated observations * Revised alert areas ...A TSUNAMI ADVISORY IS NOW 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 1525 PDT Oct 19 2.0ft King Cove Alaska 1553 PDT Oct 19 1.5ft 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
Tsunami Warning Downgraded
U.S. National Tsunami Warning Center