Author Topic: 8.3 Earthquake Near the Coast of Central Chile  (Read 939 times)

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Offline Harryca

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8.3 Earthquake Near the Coast of Central Chile
« on: September 16, 2015, 07:25:15 PM »
A 8.3 (upgraded) earthquake just occurred near the coast of central Chile.  A tsunami watch is in effect for Hawaii.

Per PTWC:

Quote
EVALUATION
----------

  * AN EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 7.9 OCCURRED
    NEAR THE COAST OF CENTRAL CHILE AT 2255 UTC ON WEDNESDAY
    SEPTEMBER 16 2015.

  * BASED ON THE PRELIMINARY EARTHQUAKE PARAMETERS... WIDESPREAD
    HAZARDOUS TSUNAMI WAVES ARE POSSIBLE.

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

  * HAZARDOUS TSUNAMI WAVES FROM THIS EARTHQUAKE ARE POSSIBLE
    WITHIN THE NEXT THREE HOURS ALONG SOME COASTS OF

      CHILE AND PERU

More info here: http://ucweather.org/tsunamialt.php
« Last Edit: September 16, 2015, 07:40:31 PM by Harryca »

Offline Harryca

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Re: 8.3 Earthquake Near the Coast of Central Chile
« Reply #1 on: September 16, 2015, 10:30:51 PM »
Tsunami Advisories have now been posted for American Samoa, Hawaii, and part of California.

Event: Tsunami Advisory 
Alert: ...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.
 
Instructions: 
Target Area:
Catalina and Santa Barbara Islands
 Los Angeles County Coast including Downtown Los Angeles
 Orange County Coastal
 San Luis Obispo County Central Coast
 San Miguel and Santa Rosa Islands
 Santa Barbara County Central Coast
 Santa Barbara County South Coast
 Santa Cruz and Anacapa Islands
 Ventura County Coast
 
 

Offline Harryca

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Re: 8.3 Earthquake Near the Coast of Central Chile
« Reply #2 on: September 16, 2015, 10:40:54 PM »
The latest tsunami threat forecast from PTWC tsunami message number 6.  Estimated arrival times can be found on my tsunami page.

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.


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.


Offline Harryca

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Re: 8.3 Earthquake Near the Coast of Central Chile
« Reply #3 on: September 16, 2015, 11:38:31 PM »
Report from ReliefWeb:

Quote
Chile: Chile: Earthquake - Sep 2015
Sep 15 2015 at 5:00 pm PDT

GLIDE number: EQ-2015-000128-CHL
 Disaster type: Earthquake
 Affected countries: Chile

A massive 8.3-magnitude earthquake struck the center of Chile at 7:54 pm (22:54 GMT) on 16 September 2015. At least two people were killed and 10 hurt in Chile, where terrified residents rushed out onto the streets in the capital Santiago and beyond, as far away as Argentina. According to Chilean government, the evacuation of coastal towns and cities was ordered as a precautionary measure. The quake was felt as far away as Buenos Aires, in Argentina, about 1,400 kilometers away, while a tsunami warning was initially in place for the whole of Chile and Peru's Pacific coastline. (AFP, 17 Sep 2015)

 Date: 16 Sep 2015
 Status: Alert

« Last Edit: September 16, 2015, 11:41:44 PM by Harryca »

 

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