Very strong 7.1M quake Southeast of the Loyalty Islands, no tsunami threat to Hawaii
...PTWC FINAL TSUNAMI THREAT MESSAGE...
THE TSUNAMI FORECAST IS UNCHANGED IN THIS MESSAGE.
NOTE ADDITIONAL SEA LEVEL MEASUREMENTS FOR FIJI AND VANUATU
PRELIMINARY EARTHQUAKE PARAMETERS
---------------------------------
* MAGNITUDE 7.1
* ORIGIN TIME 0352 UTC AUG 29 2018
* COORDINATES 22.1 SOUTH 169.9 EAST
* DEPTH 10 KM / 6 MILES
* LOCATION SOUTHEAST OF LOYALTY ISLANDS
EVALUATION
----------
* AN EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 7.1 OCCURRED
SOUTHEAST OF THE LOYALTY ISLANDS AT 0352 UTC ON WEDNESDAY
AUGUST 29 2018.
* BASED ON ALL AVAILABLE DATA... THE TSUNAMI THREAT FROM THIS
EARTHQUAKE HAS NOW PASSED.
TSUNAMI THREAT FORECAST...UPDATED
---------------------------------
* THE TSUNAMI THREAT HAS NOW LARGELY PASSED.
RECOMMENDED ACTIONS
-------------------
* GOVERNMENT AGENCIES RESPONSIBLE FOR ANY IMPACTED COASTAL
AREAS SHOULD MONITOR CONDITIONS AT THE COAST TO DETERMINE IF
AND WHEN IT IS SAFE TO RESUME NORMAL ACTIVITIES.
* PERSONS LOCATED NEAR IMPACTED COASTAL AREAS SHOULD STAY ALERT
FOR INFORMATION AND FOLLOW INSTRUCTIONS FROM LOCAL
AUTHORITIES.
* REMAIN OBSERVANT AND EXERCISE NORMAL CAUTION NEAR THE SEA.
POTENTIAL IMPACTS
-----------------
* MINOR SEA LEVEL FLUCTUATIONS OF UP TO 0.3 METERS ABOVE AND
BELOW THE NORMAL TIDE MAY CONTINUE OVER THE NEXT FEW HOURS.
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 NORMAL TIDE LEVEL.
GAUGE TIME OF MAXIMUM WAVE
COORDINATES MEASURE TSUNAMI PERIOD
GAUGE LOCATION LAT LON (UTC) HEIGHT (MIN)
-------------------------------------------------------------
LAUTOKA FJ 17.6S 177.4E 0619 0.01M/ 0.0FT 22
SUVA VITI LEVU FJ 18.1S 178.4E 0603 0.02M/ 0.1FT 42
VANUATU 17.8S 168.3E 0531 0.10M/ 0.3FT 16
OUINNE NEW CALEDONI 22.0S 166.7E 0518 0.26M/ 0.9FT 08
LIFOU NEW CALEDONIA 20.9S 167.3E 0444 0.12M/ 0.4FT 06
MARE NEW CALEDONIA 21.5S 167.9E 0512 0.12M/ 0.4FT 06
LENAKEL VU 19.5S 169.3E 0517 0.27M/ 0.9FT 06
NEXT UPDATE AND ADDITIONAL INFORMATION
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