ZCZC WEGM42 PHEB 220752 TIBGUM TSUNAMI INFORMATION STATEMENT NUMBER 2 NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI 552 PM CHST WED JUL 22 2020 ...NO TSUNAMI THREAT TO GUAM/CNMI FROM A DISTANT EARTHQUAKE - UPDATE... THIS MESSAGE CONTAINS REVISED EARTHQUAKE PARAMETERS. AUDIENCE -------- EMERGENCY MANAGERS... MEDIA... GENERAL PUBLIC EVALUATION ---------- * AN EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 7.8 OCCURRED IN THE ALASKA PENINSULA AT 413 PM CHST ON WEDNESDAY JULY 22 2020. * BASED ON ALL AVAILABLE DATA... THERE IS NO TSUNAMI THREAT TO GUAM... ROTA... TINIAN OR SAIPAN FROM THIS EARTHQUAKE. * NOTE UPGRADED EARTHQUAKE MAGNITUDE. RECOMMENDED ACTIONS ------------------- * 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 (CHST) HEIGHT (MIN) ------------------------------------------------------------- SAND POINT AK 55.3N 160.5W 732 PM 0.5FT/ 0.2M 68 POTENTIAL IMPACTS ----------------- * NO TSUNAMI IMPACTS ARE EXPECTED. PRELIMINARY EARTHQUAKE PARAMETERS - UPDATED ------------------------------------------- * MAGNITUDE 7.8 * ORIGIN TIME 413 PM CHST JUL 22 2020 * COORDINATES 55.2 NORTH 158.6 WEST * DEPTH 8 MILES * LOCATION ALASKA PENINSULA 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 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