ZCZC WEZS42 PHEB 080630 TIBPPG TSUNAMI INFORMATION STATEMENT NUMBER 4 NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI 730 PM SST THU SEP 07 2017 ...NO TSUNAMI THREAT FROM A DISTANT EARTHQUAKE... AUDIENCE -------- EMERGENCY MANAGERS... MEDIA... GENERAL PUBLIC EVALUATION ---------- * AN EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 8.2 OCCURRED OFF THE COAST OF CHIAPAS, MEXICO AT 549 PM SST ON THURSDAY SEPTEMBER 7 2017. * BASED ON ALL AVAILABLE DATA... THERE IS NO TSUNAMI THREAT TO AMERICAN SAMOA FROM THIS EARTHQUAKE ALTHOUGH SOME MINOR SEA LEVEL FLUCTUATIONS MAY OCCUR. RECOMMENDED ACTIONS ------------------- * BE OBSERVANT AND EXERCISE NORMAL CAUTION IF YOU ARE NEAR OR IN THE OCEAN. OTHERWISE... NO ACTION IS REQUIRED. TSUNAMI OBSERVATIONS -------------------- * THE FOLLOWING ARE TSUNAMI WAVE OBSERVATIONS FROM COASTAL AND/OR DEEP-OCEAN SEA LEVEL GAUGES AT THE INDICATED LOCATIONS. THE MAXIMUM TSUNAMI HEIGHT IS MEASURED WITH RESPECT TO THE TIDE LEVEL. GAUGE TIME OF MAXIMUM WAVE COORDINATES MEASURE TSUNAMI PERIOD GAUGE LOCATION LAT LON (SST) HEIGHT (MIN) ------------------------------------------------------------- DART 43413 10.8N 100.1W 647 PM 0.2FT/ 0.1M 24 SALINA CRUZ MX 16.2N 95.2W 641 PM 2.3FT/ 0.7M 24 PURETO ANGEL MX 15.7N 96.5W 617 PM 1.0FT/ 0.3M 24 HUATULCO MX 15.8N 96.1W 614 PM 2.3FT/ 0.7M 12 POTENTIAL IMPACTS ----------------- * MINOR SEA LEVEL FLUCTUATIONS MAY OCCUR IN SOME AREAS BEGINNING AROUND 554 AM SST ON FRIDAY SEPTEMBER 08 2017... AND CONTINUING FOR UP TO SEVERAL HOURS. PRELIMINARY EARTHQUAKE PARAMETERS --------------------------------- * MAGNITUDE 8.2 * ORIGIN TIME 549 PM SST SEP 07 2017 * COORDINATES 14.9 NORTH 94.0 WEST * DEPTH 20 MILES * LOCATION OFF THE COAST OF CHIAPAS MEXICO NEXT UPDATE AND ADDITIONAL INFORMATION -------------------------------------- * THIS WILL BE THE FINAL STATEMENT ISSUED FOR THIS EVENT UNLESS NEW INFORMATION IS RECEIVED OR THE SITUATION CHANGES. * FURTHER INFORMATION ABOUT THIS EVENT MAY BE FOUND ON THE INTERNET AT PTWC.WEATHER.GOV AND 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/EARTHQUAKES -ALL LOWERCASE LETTERS-. $$ NNNN