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Caribbean Earthquake and Tsunami Alert - January 9, 2018

Greater Antilles - www.scubaboard.com
There was an 7.6 magnitude earthquake last night between Honduras and Cuba and Tsunami Warnings/ Alerts were issued for ships at sea and several Caribbean countries including Belize, Cuba, Honduras, Mexico, Cayman, Jamaica, the Virgin Islands, and Puerto Rico.

earthquake jolts Caribbean, between Honduras and Cayman Islands

But it sounds like it didn't amount to much and the Tsunami alerts are being lifted, although people are still being advised not to walk along the coast:

Cayman Compass

I don't know if this will have any affect on diving activities or quality today or for the next few days. I haven't heard if they are expecting any after shocks or additional quakes.

One of the articles mentioned that the "earthquake came almost exactly eight years after a 7.0 magnitude quake that devastated Haiti on Jan. 12, 2010".

000

WECA41 PHEB 100325

TSUCAX

TSUNAMI MESSAGE NUMBER 2

NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI

0323 UTC WED JAN 10 2018

...TSUNAMI THREAT MESSAGE...

**** NOTICE **** NOTICE **** NOTICE **** NOTICE **** NOTICE *****

THIS MESSAGE IS ISSUED FOR INFORMATION ONLY IN SUPPORT OF THE

UNESCO/IOC TSUNAMI AND OTHER COASTAL HAZARDS WARNING SYSTEM FOR

THE CARIBBEAN AND ADJACENT REGIONS 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.

**** NOTICE **** NOTICE **** NOTICE **** NOTICE **** NOTICE *****

NOTE EARTHQUAKE MAGNITUDE DECREASED TO 7.6 FROM 7.8.

PRELIMINARY EARTHQUAKE PARAMETERS

---------------------------------

* MAGNITUDE 7.6

* ORIGIN TIME 0252 UTC JAN 10 2018

* COORDINATES 17.5 NORTH 83.6 WEST

* DEPTH 33 KM / 20 MILES

* LOCATION NORTH OF HONDURAS

EVALUATION

----------

* AN EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 7.6 OCCURRED

NORTH OF HONDURAS AT 0252 UTC ON WEDNESDAY JANUARY 10 2018.

* BASED ON ALL AVAILABLE DATA... HAZARDOUS TSUNAMI WAVES ARE

FORECAST FOR SOME COASTS.

TSUNAMI THREAT FORECAST...UPDATED

---------------------------------

* TSUNAMI WAVES REACHING 0.3 TO 1 METERS ABOVE THE TIDE LEVEL

ARE POSSIBLE FOR SOME COASTS OF

BELIZE... CUBA... HONDURAS... MEXICO... CAYMAN ISLANDS...

AND JAMAICA.

* ACTUAL AMPLITUDES AT THE COAST MAY VARY FROM FORECAST

AMPLITUDES DUE TO UNCERTAINTIES IN THE FORECAST AND LOCAL

FEATURES. IN PARTICULAR MAXIMUM TSUNAMI AMPLITUDES ON ATOLLS

OR SMALL ISLANDS AND AT LOCATIONS WITH FRINGING OR BARRIER

REEFS WILL LIKELY BE MUCH SMALLER THAN THE FORECAST

INDICATES.

* FOR ALL OTHER AREAS COVERED BY THIS MESSAGE... THERE IS NO

TSUNAMI THREAT ALTHOUGH SMALL SEA LEVEL CHANGES MAY OCCUR.

RECOMMENDED ACTIONS

-------------------

* GOVERNMENT AGENCIES RESPONSIBLE FOR THREATENED COASTAL AREAS

SHOULD TAKE ACTION TO INFORM AND INSTRUCT ANY COASTAL

POPULATIONS AT RISK IN ACCORDANCE WITH THEIR OWN

EVALUATION... PROCEDURES AND THE LEVEL OF THREAT.

* PERSONS LOCATED IN THREATENED COASTAL AREAS SHOULD STAY ALERT

FOR INFORMATION AND FOLLOW INSTRUCTIONS FROM NATIONAL AND

LOCAL AUTHORITIES.

ESTIMATED TIMES OF ARRIVAL

--------------------------

* ESTIMATED TIMES OF ARRIVAL -ETA- OF THE INITIAL TSUNAMI WAVE

FOR PLACES WITHIN THREATENED REGIONS ARE GIVEN BELOW. ACTUAL

ARRIVAL TIMES MAY DIFFER AND THE INITIAL WAVE MAY NOT BE THE

LARGEST. A TSUNAMI IS A SERIES OF WAVES AND THE TIME BETWEEN

WAVES CAN BE FIVE MINUTES TO ONE HOUR.

LOCATION REGION COORDINATES ETA(UTC)

------------------------------------------------------------

GRAND CAYMAN CAYMAN ISLANDS 19.3N 81.3W 0323 01/10

CAYMAN BRAC CAYMAN ISLANDS 19.7N 79.9W 0328 01/10

PUERTO CORTES HONDURAS 15.9N 88.0W 0342 01/10

COZUMEL MEXICO 20.5N 87.0W 0344 01/10

CIENFUEGOS CUBA 22.0N 80.5W 0346 01/10

SANTIAGO D CUBA CUBA 19.9N 75.8W 0354 01/10

MONTEGO BAY JAMAICA 18.5N 77.9W 0404 01/10

TRUJILLO HONDURAS 15.9N 86.0W 0428 01/10

KINGSTON JAMAICA 17.9N 76.9W 0443 01/10

BELIZE CITY BELIZE 17.5N 88.2W 0452 01/10

SANTA CRZ D SUR CUBA 20.7N 78.0W 0636 01/10

NUEVA GERONA CUBA 21.9N 82.8W 0722 01/10

POTENTIAL IMPACTS

-----------------

* A TSUNAMI IS A SERIES OF WAVES. THE TIME BETWEEN WAVE CRESTS

CAN VARY FROM 5 MINUTES TO AN HOUR. THE HAZARD MAY PERSIST

FOR MANY HOURS OR LONGER AFTER THE INITIAL WAVE.

* IMPACTS CAN VARY SIGNIFICANTLY FROM ONE SECTION OF COAST TO

THE NEXT DUE TO LOCAL BATHYMETRY AND THE SHAPE AND ELEVATION

OF THE SHORELINE.

* IMPACTS CAN ALSO VARY DEPENDING UPON THE STATE OF THE TIDE AT

THE TIME OF THE MAXIMUM TSUNAMI WAVES.

* PERSONS CAUGHT IN THE WATER OF A TSUNAMI MAY DROWN... BE

CRUSHED BY DEBRIS IN THE WATER... OR BE SWEPT OUT TO SEA.

NEXT UPDATE AND ADDITIONAL INFORMATION

--------------------------------------

* THE NEXT MESSAGE WILL BE ISSUED IN ONE HOUR... OR SOONER IF

THE SITUATION WARRANTS.

* AUTHORITATIVE INFORMATION ABOUT THE EARTHQUAKE FROM THE U.S.

GEOLOGICAL SURVEY CAN BE FOUND ON THE INTERNET AT

EARTHQUAKE.USGS.GOV/EARTHQUAKES -ALL IN LOWERCASE LETTERS-.

* FURTHER INFORMATION ABOUT THIS EVENT MAY BE FOUND AT

PTWC.WEATHER.GOV AND AT
Date: Jan 10, 2018   


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