TSUNAMI INFORMATION STATEMENT NUMBER 1
NWS PACIFIC TSUNAMI WARNING CENTER HONOLULU HI
2017 UTC SUN JAN 16 2022
..PTWC TSUNAMI INFORMATION STATEMENT...
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THIS STATEMENT IS ISSUED FOR INFORMATION ONLY IN SUPPORT OF THE
UNESCO/IOC PACIFIC TSUNAMI WARNING AND MITIGATION SYSTEM AND IS
MEANT FOR NATIONAL AUTHORITIES IN EACH COUNTRY OF THAT SYSTEM.
NATIONAL AUTHORITIES WILL DETERMINE THE APPROPRIATE LEVEL OF
ALERT FOR EACH COUNTRY AND MAY ISSUE ADDITIONAL OR MORE REFINED
INFORMATION.
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EVALUATION
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* SEA LEVEL READINGS AT PAGO PAGO HARBOR REGISTERED A WAVE
WITH AN AMPLITUDE OF 36 CM, EXCEEDING ADVISORY LEVEL OF 30 CM.
* THIS MIGHT BE FROM ANOTHER EXPLOSION OF TONGA VOLCANO.
THERE ARE NO KNOWN EARTHQUAKES OF SIGNIFICANT SIZE TO
GENERATE THIS WAVE.
RECOMMENDED ACTIONS
-------------------
* NO ACTION IS REQUIRED.
* BE MINDFUL OF WATER LEVEL CHANGES IN HARBORS AND NEAR THE
COAST.
TSUNAMI OBSERVATIONS
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* 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 NORMAL TIDE LEVEL.
GAUGE TIME OF MAXIMUM WAVE
COORDINATES MEASURE TSUNAMI PERIOD
GAUGE LOCATION LAT LON (UTC) HEIGHT (MIN)
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PAGO PAGO AS 14.3S 170.7W 1943 0.36M/ 1.2FT 16
NEXT UPDATE AND ADDITIONAL INFORMATION
--------------------------------------
* PTWC IS MONITORING WATER LEVEL MEASUREMENTS AT TIDE GAUGES.
WE WILL UPDATE WITH FOLLOWUP MESSAGES IF THE SITUATION REQUIRES.
* FURTHER INFORMATION ABOUT THIS EVENT MAY BE FOUND AT
WWW.TSUNAMI.GOV.
* COASTAL REGIONS OF HAWAII... AMERICAN SAMOA... GUAM... AND
CNMI SHOULD REFER TO PACIFIC TSUNAMI WARNING CENTER MESSAGES
SPECIFICALLY FOR THOSE PLACES THAT CAN BE FOUND AT
WWW.TSUNAMI.GOV.
* COASTAL REGIONS OF CALIFORNIA... OREGON... WASHINGTON...
BRITISH COLUMBIA AND ALASKA SHOULD ONLY REFER TO U.S.
NATIONAL TSUNAMI WARNING CENTER MESSAGES THAT CAN BE FOUND
AT WWW.TSUNAMI.GOV.
$$
