HI all, not to be alarmist and even though the current assessment might be low risk, in the name of safety, the recent under sea earthquake has created a potential tsunami event.
I hope all remain diligent and safe.
I am not an expert and I am getting my information from a free subscription based service tsunami-information-ioc@lists.unesco.org
this is the most recent alert as of Tue 2020-01-28 3:09 PM
TSUNAMI MESSAGE NUMBER 4
NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI
2004 UTC TUE JAN 28 2020
..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: THERE IS A SIGNAL ON THE GAUGE IN THE CAYMAN ISLANDS BUT
IT IS SMALL AND POSSIBLY NOT A TSUNAMI BUT ONLY
BACKGROUND NOISE. WE WILL CONTINUE TO MONITOR UNTIL
ADDITIONAL INFORMATION IS RECEIVED TO CONFIRM OR END
THE TSUNAMI THREAT.
PRELIMINARY EARTHQUAKE PARAMETERS
---------------------------------
* MAGNITUDE 7.7
* ORIGIN TIME 1910 UTC JAN 28 2020
* COORDINATES 19.3 NORTH 78.8 WEST
* DEPTH 10 KM / 6 MILES
* LOCATION CUBA REGION
EVALUATION
----------
* AN EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 7.7 OCCURRED IN
THE CUBA REGION AT 1910 UTC ON TUESDAY JANUARY 28 2020.
* TSUNAMI WAVES HAVE BEEN OBSERVED.
* BASED ON ALL AVAILABLE DATA... HAZARDOUS TSUNAMI WAVES ARE
FORECAST FOR SOME COASTS.
TSUNAMI THREAT FORECAST
-----------------------
* 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)
------------------------------------------------------------
CAYMAN BRAC CAYMAN ISLANDS 19.7N 79.9W 1921 01/28
SANTIAGO D CUBA CUBA 19.9N 75.8W 1933 01/28
GRAND CAYMAN CAYMAN ISLANDS 19.3N 81.3W 1937 01/28
MONTEGO BAY JAMAICA 18.5N 77.9W 1945 01/28
CIENFUEGOS CUBA 22.0N 80.5W 1946 01/28
KINGSTON JAMAICA 17.9N 76.9W 2024 01/28
COZUMEL MEXICO 20.5N 87.0W 2034 01/28
PUERTO CORTES HONDURAS 15.9N 88.0W 2038 01/28
TRUJILLO HONDURAS 15.9N 86.0W 2125 01/28
BELIZE CITY BELIZE 17.5N 88.2W 2148 01/28
SANTA CRZ D SUR CUBA 20.7N 78.0W 2216 01/28
NUEVA GERONA CUBA 21.9N 82.8W 2345 01/28
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.
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)
-------------------------------------------------------------
GEORGE TOWN CY 19.3N 81.4W 1943 0.11M/ 0.4FT 02
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.
* FURTHER INFORMATION ABOUT THIS EVENT MAY BE FOUND AT
WWW.TSUNAMI.GOV.
* COASTAL REGIONS OF THE US GULF COAST... US EAST COAST... AND
THE MARITIME PROVINCES OF CANADA SHOULD REFER TO U.S.
NATIONAL TSUNAMI WARNING CENTER MESSAGES THAT CAN BE FOUND
AT WWW.TSUNAMI.GOV.
Originally Posted by Richie B
