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Chile Earthquake and Tsunami


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Preliminary 8.3 earthquake off the coast of Chile this evening. Reports indicating upwards of a 10 foot tsunami at one location in Chile. Also a few photos on Twitter showing some coastal flooding coming through now.

Tsunami watches out for Hawaii, Mexico, and western US.

This could be a real deal.

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Preliminary 8.3 earthquake off the coast of Chile this evening. Reports indicating upwards of a 10 foot tsunami at one location in Chile. Also a few photos on Twitter showing some coastal flooding coming through now.

Tsunami watches out for Hawaii, Mexico, and western US.

This could be a real deal.

 

Buoys in the area do seem to indicate a tsunami of some size was generated, or at least that's my take on the graphs...not knowledgeable enough to guess at the size this indicates though could be a smaller one....

 

http://www.ndbc.noaa.gov/station_page.php?station=32412

 

http://www.ndbc.noaa.gov/station_page.php?station=32401

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From Pacific Tsunami Warning center

 

BULLETIN
TSUNAMI MESSAGE NUMBER   3
NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI
224 PM HST WED SEP 16 2015

TO - EMERGENCY MANAGEMENT IN THE STATE OF HAWAII

SUBJECT - TSUNAMI WATCH SUPPLEMENT

A TSUNAMI WATCH CONTINUES IN EFFECT FOR THE STATE OF HAWAII.

AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS

   ORIGIN TIME - 1254 PM HST 16 SEP 2015
   COORDINATES - 31.5 SOUTH   72.0 WEST
   LOCATION    - NEAR THE COAST OF CENTRAL CHILE
   MAGNITUDE   - 8.3  MOMENT

MEASUREMENTS OR REPORTS OF TSUNAMI WAVE ACTIVITY

GAUGE LOCATION        LAT   LON    TIME        AMPL         PER
-------------------  ----- ------  -----  ---------------  -----
VALPARAISO CL        33.0S  71.6W  2350Z   1.62M /  5.3FT  40MIN
CHANARAL CL          26.4S  70.6W  0010Z   0.67M /  2.2FT  34MIN
JUAN FERNANDEZ       33.6S  78.8W  0008Z   0.97M /  3.2FT  08MIN
COQUIMBO CL          30.0S  71.3W  2339Z   3.11M / 10.2FT  20MIN
BUCALEMU CL          34.6S  72.0W  2334Z   0.46M /  1.5FT  24MIN
CALDERA CL           27.1S  70.8W  2343Z   0.50M /  1.6FT  30MIN
SAN ANTONIO CL       33.6S  71.6W  2358Z   0.86M /  2.8FT  18MIN
DART 32402           26.7S  74.0W  2326Z   0.12M /  0.4FT  36MIN

LAT  - LATITUDE (N-NORTH, S-SOUTH)
LON  - LONGITUDE (E-EAST, W-WEST)
TIME - TIME OF THE MEASUREMENT (Z IS UTC IS GREENWICH TIME)
AMPL - TSUNAMI AMPLITUDE MEASURED RELATIVE TO NORMAL SEA LEVEL.
        IT IS ...NOT... CREST-TO-TROUGH WAVE HEIGHT.
        VALUES ARE GIVEN IN BOTH METERS(M) AND FEET(FT).
PER  - PERIOD OF TIME IN MINUTES(MIN) FROM ONE WAVE TO THE NEXT.

NOTE - DART MEASUREMENTS ARE FROM THE DEEP OCEAN AND THEY
        ARE GENERALLY MUCH SMALLER THAN WOULD BE COASTAL
         MEASUREMENTS AT SIMILAR LOCATIONS.

 

This just out as well seems to indicate a smaller tsunami

 

TSUNAMI MESSAGE NUMBER 4
NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI
0023 UTC THU SEP 17 2015

...PTWC TSUNAMI THREAT MESSAGE...


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

THIS MESSAGE 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.

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


PRELIMINARY EARTHQUAKE PARAMETERS
---------------------------------

  * MAGNITUDE      8.3
  * ORIGIN TIME    2254 UTC SEP 16 2015
  * COORDINATES    31.5 SOUTH  72.0 WEST
  * DEPTH          10 KM / 6 MILES
  * LOCATION       NEAR THE COAST OF CENTRAL CHILE


EVALUATION
----------

  * AN EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 8.3 OCCURRED
    NEAR THE COAST OF CENTRAL CHILE AT 2254 UTC ON WEDNESDAY
    SEPTEMBER 16 2015.

  * TSUNAMI WAVES HAVE BEEN OBSERVED.

  * BASED ON ALL AVAILABLE DATA... HAZARDOUS TSUNAMI WAVES ARE
    FORECAST FOR SOME COASTS.


TSUNAMI THREAT FORECAST
-----------------------

  * TSUNAMI WAVES REACHING MORE THAN 3 METERS ABOVE THE TIDE
    LEVEL ARE POSSIBLE ALONG SOME COASTS OF

      CHILE.


  * TSUNAMI WAVES REACHING 1 TO 3 METERS ABOVE THE TIDE LEVEL ARE
    POSSIBLE ALONG SOME COASTS OF

      FRENCH POLYNESIA.


  * TSUNAMI WAVES REACHING 0.3 TO 1 METERS ABOVE THE TIDE LEVEL
    ARE POSSIBLE FOR SOME COASTS OF

      MEXICO... ECUADOR... PERU... ANTARCTICA... JAPAN... NEW
      CALEDONIA... NEW ZEALAND... MARSHALL ISLANDS... FIJI... SAMOA...
      AMERICAN SAMOA... COOK ISLANDS... TOKELAU... VANUATU...
      KIRIBATI... JOHNSTON ISLAND... PALMYRA ISLAND... HOWLAND AND
      BAKER... TONGA... WALLIS AND FUTUNA... PITCAIRN ISLANDS...
      NIUE... SOLOMON ISLANDS... RUSSIA... HAWAII... AND NW HAWAIIAN
      ISLANDS.


  * TSUNAMI WAVES ARE FORECAST TO BE LESS THAN 0.3 METERS ABOVE
    THE TIDE LEVEL FOR THE COASTS OF

      EL SALVADOR... GUATEMALA... HONDURAS... COSTA RICA...
      NICARAGUA... PANAMA... COLOMBIA... AUSTRALIA... PHILIPPINES...
      TAIWAN... CHINA... NORTHERN MARIANAS... GUAM... PALAU... YAP...
      POHNPEI... CHUUK... KOSRAE... NAURU... WAKE ISLAND... MIDWAY
      ISLAND... JARVIS ISLAND... TUVALU... PAPUA NEW GUINEA...
      INDONESIA... VIETNAM... MALAYSIA... AND BRUNEI.


  * 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
    WILL LIKELY BE MUCH SMALLER THAN THE FORECAST INDICATES.

  * FOR OTHER AREAS COVERED BY THIS PRODUCT A FORECAST HAS NOT
    YET BEEN COMPUTED. THE FORECAST WILL BE EXPANDED AS NECESSARY
    IN SUBSEQUENT PRODUCTS.

 

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OBSERVATIONS OF TSUNAMI ACTIVITY - UPDATED
------------------------------------------
TIME OBSERVED MAX
SITE OF MEASUREMENT TSUNAMI HEIGHT
---------------------------- ------------------- --------------
VALPARAISO CHILE 0504 PM PDT SEP 16 4.5FT
COQUIMBO CHILE 0447 PM PDT SEP 16 15.1FT
CALDERA CHILE 0435 PM PDT SEP 16 1.3FT
JUAN_FERNANDEZ CHILE 0446 PM PDT SEP 16 2.1FT
CONSTITUCION CHILE 0444 PM PDT SEP 16 1.4FT
HUASCO CHILE 0424 PM PDT SEP 16 1.7FT
QUINTERO CHILE 0415 PM PDT SEP 16 4.8FT
SAN ANTONIO CHILE 0420 PM PDT SEP 16 2.3FT

 

http://wcatwc.arh.noaa.gov/events/PAAQ/2015/09/16/nuskyv/3/WEAK53/WEAK53.txt

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EVALUATION

BASED ON ALL AVAILABLE DATA A MAJOR TSUNAMI IS NOT EXPECTED TO
STRIKE THE STATE OF HAWAII. HOWEVER...SEA LEVEL CHANGES AND
STRONG CURRENTS MAY OCCUR ALONG ALL COASTS THAT COULD BE A HAZARD
TO SWIMMERS AND BOATERS AS WELL AS TO PERSONS NEAR THE SHORE AT
BEACHES AND IN HARBORS AND MARINAS.  THE THREAT MAY CONTINUE FOR
SEVERAL HOURS AFTER THE INITIAL WAVE ARRIVAL.

THE ESTIMATED TIME OF ARRIVAL OF THE INITIAL WAVE IS

                     0311 AM HST THU 17 SEP 2015

FURTHER MESSAGES WILL BE ISSUED HOURLY OR SOONER AS CONDITIONS
WARRANT UNTIL THE THREAT TO HAWAII HAS PASSED.
 

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643 PM PDT WED SEP 16 2015


 


...A TSUNAMI ADVISORY IS NOW IN EFFECT WHICH INCLUDES THE COASTAL AREAS OF CALIFORNIA FROM SAN ONOFRE STATE BEACH CALIFORNIA /WHICH IS LOCATED 45 MILES SE OF L.A./ TO RAGGED POINT CALIFORNIA /WHICH IS LOCATED 50 MILES NW OF SAN LUIS OBISPO/...


 


IF YOU ARE LOCATED IN THIS COASTAL AREA... MOVE OFF THE BEACH AND OUT OF HARBORS AND MARINAS.


 


TSUNAMI ADVISORIES MEAN THAT A TSUNAMI CAPABLE OF PRODUCING STRONG CURRENTS OR WAVES DANGEROUS TO PERSONS IN OR VERY NEAR THE WATER IS EXPECTED OR IS ALREADY OCCURRING.  AREAS IN THE ADVISORY SHOULD NOT EXPECT WIDESPREAD INUNDATION.  TSUNAMIS ARE A SERIES OF WAVES DANGEROUS MANY HOURS AFTER INITIAL ARRIVAL TIME.  THE FIRST WAVE MAY NOT BE THE LARGEST.


 


AT 355 PM PACIFIC DAYLIGHT TIME ON SEPTEMBER 16 AN EARTHQUAKE WITH PRELIMINARY MAGNITUDE 8.3 OCCURRED OFF THE COAST OF CENTRAL CHILE.


 


ESTIMATED TSUNAMI START TIMES FOR SELECTED SITES ARE...


 


NEWPORT BEACH      CALIFORNIA          446 AM.  PDT. SEPTEMBER 17.


LOS ANGELES HARBOR CALIFORNIA          447 AM.  PDT. SEPTEMBER 17.


SANTA BARBARA      CALIFORNIA          506 AM.  PDT. SEPTEMBER 17.


PORT SAN LUIS      CALIFORNIA          510 AM.  PDT. SEPTEMBER 17.


 


THE TSUNAMI ADVISORY WILL REMAIN IN EFFECT UNTIL FURTHER NOTICE.


REFER TO THE INTERNET SITE NTWC.ARH.NOAA.GOV FOR MORE INFORMATION.


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Hawaii obs:

 

HILO HI              19.7N 155.1W    1402   0.99M/ 3.2FT  16

    KAHULUI MAUI         20.9N 156.5W    1353   0.42M/ 1.4FT  22

    HILO HAWAII          19.7N 155.1W    1347   0.70M/ 2.3FT  16

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