A 8.3 (upgraded) earthquake just occurred near the coast of central Chile. A tsunami watch is in effect for Hawaii.
Per PTWC:
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
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
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.