ZCZC WEGM42 PHEB 101333 TIBGUM TSUNAMI INFORMATION STATEMENT NUMBER 1 NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI 1133 PM CHST WED FEB 10 2021 ...POSSIBLE TSUNAMI THREAT TO GUAM/CNMI FROM A DISTANT EARTHQUAKE... AUDIENCE -------- EMERGENCY MANAGERS... MEDIA... GENERAL PUBLIC EVALUATION ---------- * AN EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 7.9 OCCURRED SOUTHEAST OF THE LOYALTY ISLANDS AT 1120 PM CHST ON WEDNESDAY FEBRUARY 10 2021. * THE TSUNAMI THREAT TO GUAM... ROTA... TINIAN AND SAIPAN FROM THIS EARTHQUAKE IS STILL UNDER INVESTIGATION. RECOMMENDED ACTIONS ------------------- * STAY ALERT FOR FURTHER INFORMATION. THERE IS THE POSSIBILITY THAT A TSUNAMI WATCH... ADVISORY... OR WARNING COULD BE ISSUED LATER FOR GUAM... ROTA... TINIAN AND SAIPAN. POTENTIAL IMPACTS ----------------- * POTENTIAL TSUNAMI IMPACTS ARE STILL BEING EVALUATED. * IF THERE IS A TSUNAMI THREAT TO GUAM... ROTA... TINIAN AND SAIPAN... THE EARLIEST IMPACTS WOULD BE AROUND 613 AM CHST ON THURSDAY FEBRUARY 11 2021. PRELIMINARY EARTHQUAKE PARAMETERS --------------------------------- * MAGNITUDE 7.9 * ORIGIN TIME 1120 PM CHST FEB 10 2021 * COORDINATES 23.1 SOUTH 171.5 EAST * DEPTH 20 MILES * LOCATION SOUTHEAST OF LOYALTY ISLANDS NEXT UPDATE AND ADDITIONAL INFORMATION -------------------------------------- * THE NEXT MESSAGE WILL BE ISSUED IN ONE HOUR... 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