22338001 WEZS40 PHEB 041931 TSUPPG 1 TSUNAMI MESSAGE NUMBER 1 NWS PACIFIC TSUNAMI WARNING CENTER HONOLULU HI 2022-12-04T19:31:17Z 831 AM SST SUN DEC 04 2022 Advisory ASZ001>003-042130- /O.NEW.PHEB.TS.Y.0004.221204T1930Z-000000T0000Z/ American Samoa American Samoa 6.9 2022-12-04T19:24:17Z HST 33 -15.74 -172.557 ABOUT 127 MILES SOUTH OF UPOLU ISLAND N/A 120 003-042130- /O.NEW.PHEB.TS.Y.0004.221204T1930Z-000000T0000Z/ BULLETIN TSUNAMI MESSAGE NUMBER 1 NWS PACIFIC TSUNAMI WARNING CENTER HONOLULU HI 830 AM SST SUN DEC 04 2022 ...A TSUNAMI ADVISORY IS NOW IN EFFECT FOR AMERICAN SAMOA... AUDIENCE -------- EMERGENCY MANAGERS... MEDIA... GENERAL PUBLIC EVALUATION ---------- * AN EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 6.9 OCCURRED ABOUT 127 MILES SOUTH OF UPOLU ISLAND AT 824 AM SST ON SUNDAY DECEMBER 4 2022. * A HAZARDOUS TSUNAMI MAY HAVE BEEN GENERATED BY THIS NEARBY EARTHQUAKE THAT COULD SOON IMPACT NEARBY COASTS. * MONITORING IS UNDERWAY TO EVALUATE THE TSUNAMI THREAT. * SOME AREAS MAY HAVE EXPERIENCED VERY STRONG SHAKING. * A TSUNAMI WAS GENERATED BY THIS EARTHQUAKE. BASED ON ALL AVAILABLE DATA... THERE IS A THREAT TO AMERICAN SAMOA OF SEA LEVEL FLUCTUATIONS AND STRONG OCEAN CURRENTS THAT COULD BE A HAZARD ALONG BEACHES... IN HARBORS... AND IN COASTAL WATERS. * THE EARLIEST ESTIMATED TIME THAT HAZARDOUS SEA LEVEL FLUCTUATIONS AND STRONG OCEAN CURRENTS MAY BEGIN IN AMERICAN SAMOA IS 843 AM SST ON SUNDAY DECEMBER 04 2022 RECOMMENDED ACTIONS ------------------- * PERSONS IN OR NEAR THE OCEAN ALONG THE COASTS OF ALL OF AMERICAN SAMOA SHOULD MOVE IMMEDIATELY OUT OF THE WATER AND AWAY FROM BEACHES AND HARBORS. * DO NOT RETURN TO EVACUATED AREAS UNTIL THE ALL CLEAR IS GIVEN BY LOCAL AUTHORITIES. * PERSONS IN THE OCEAN SHOULD GET OUT OF THE WATER. PERSONS NEAR THE OCEAN SHOULD MOVE AWAY FROM BEACHES AND HARBORS. * FOLLOW ANY INSTRUCTIONS FROM GOVERNMENT AGENCIES. ESTIMATED TIMES OF ARRIVAL -------------------------- * ESTIMATED TIMES OF ARRIVAL -ETA- OF THE INITIAL TSUNAMI WAVE ARE GIVEN BELOW. ACTUAL ARRIVAL TIMES MAY DIFFER AND THE INITIAL WAVE MAY NOT BE THE LARGEST. A TSUNAMI IS A SERIES OF WAVES AND THE TIME BETWEEN WAVES CAN BE FIVE MINUTES TO ONE HOUR. LOCATION REGION COORDINATES ETA(SST) ---------------------------------------------------------- TAFUNA TUTUILA 14.3S 170.7W 843 AM 12/04 LEONE TUTUILA 14.3S 170.8W 844 AM 12/04 FAGAMALO TUTUILA 14.3S 170.8W 844 AM 12/04 AMANAVE TUTUILA 14.3S 170.8W 844 AM 12/04 FAGASA TUTUILA 14.3S 170.7W 846 AM 12/04 VATIA TUTUILA 14.2S 170.7W 847 AM 12/04 PAGO PAGO TUTUILA 14.3S 170.7W 847 AM 12/04 AUMI TUTUILA 14.3S 170.7W 847 AM 12/04 AUNUU ISLAND AUNUU 14.3S 170.6W 849 AM 12/04 TULA TUTUILA 14.3S 170.6W 851 AM 12/04 MASEFAU TUTUILA 14.3S 170.6W 851 AM 12/04 PAGAI TUTUILA 14.3S 170.6W 851 AM 12/04 OFU ISLAND MANUA 14.2S 169.7W 854 AM 12/04 OLESEGA ISLAND MANUA 14.2S 169.6W 854 AM 12/04 TAU ISLAND MANUA 14.3S 169.5W 854 AM 12/04 SWAINS ISLAND SWAINS 11.1S 171.1W 910 AM 12/04 POTENTIAL IMPACTS ----------------- * SEA LEVEL FLUCTUATIONS THAT ARE GENERALLY NO MORE THAN 3 FEET ABOVE AND BELOW THE TIDE LEVEL. * MINOR FLOODING OF BEACH AND HARBOR AREAS. * STRONG AND UNUSUAL OCEAN CURRENTS IN HARBORS... BAYS... AND OTHER NEAR SHORE WATERS. * THE HAZARD IS FORECAST TO BEGIN AROUND 843 AM SST ON SUNDAY DECEMBER 04 AND IT CAN PERSIST FOR MANY HOURS OR LONGER. PRELIMINARY EARTHQUAKE PARAMETERS --------------------------------- * MAGNITUDE 6.9 * ORIGIN TIME 824 AM SST DEC 04 2022 * COORDINATES 15.7 SOUTH 172.6 WEST * DEPTH 20 MILES * LOCATION ABOUT 127 MILES SOUTH OF UPOLU ISLAND NEXT UPDATE AND ADDITIONAL INFORMATION -------------------------------------- * THE NEXT MESSAGE WILL BE ISSUED IN THIRTY MINUTES... OR SOONER IF THE SITUATION WARRANTS. * FURTHER INFORMATION ABOUT THIS EVENT MAY BE FOUND ON THE INTERNET AT WWW.TSUNAMI.GOV. * AUTHORITATIVE INFORMATION ABOUT THE EARTHQUAKE FROM THE U.S. GEOLOGICAL SURVEY CAN BE FOUND ON THE INTERNET AT EARTHQUAKE.USGS.GOV. $$ NNNN ]]> false false