8.8 Earthquake in Chile, Pacificwide Tsunami Event

Discuss Astronomy, Geology and other related subjects like Earthquakes, Volcanos, Tsunami's and other Natural events around the world.

Moderator: S2k Moderators

Message
Author
User avatar
Evil Jeremy
S2K Supporter
S2K Supporter
Posts: 5459
Age: 30
Joined: Mon Apr 10, 2006 2:10 pm
Location: Los Angeles, CA

Re:

#121 Postby Evil Jeremy » Sat Feb 27, 2010 5:04 pm

brunota2003 wrote:has the first wave passed yet, or are we still waiting for the initial wave to hit? (almost an hour later)


The first waves are just staring to hit I believe.
0 likes   
Frances 04 / Jeanne 04 / Katrina 05 / Wilma 05 / Fay 08 / Debby 12 / Andrea 13 / Colin 16 / Hermine 16 / Matthew 16 / Irma 17

User avatar
Chacor
Category 5
Category 5
Posts: 10229
Joined: Mon Oct 02, 2006 10:43 pm
Location: Singapore

#122 Postby Chacor » Sat Feb 27, 2010 5:05 pm

The PTWC officially says the first wave hit around 5-10 minutes at Hilo after their forecast time.
0 likes   

User avatar
vbhoutex
Storm2k Executive
Storm2k Executive
Posts: 28974
Age: 72
Joined: Wed Oct 09, 2002 11:31 pm
Location: Spring Branch area, Houston, TX
Contact:

Re: 8.8 Earthquake in Chile, Tsunami WARNING/Watch Posted

#123 Postby vbhoutex » Sat Feb 27, 2010 5:07 pm

Tsunami Warning Center has stated that the first Tsunami has hit and more is on the way. Of course they do not know what if any difference there will be as the next waves come in. Apparently some damage in Ventura CA from reports they have received. The Tsunami is now moving up the islands. These are all reports from the warning center.
0 likes   
Skywarn, C.E.R.T.
Please click below to donate to STORM2K to help with the expenses of keeping the site going:
Image

User avatar
Chacor
Category 5
Category 5
Posts: 10229
Joined: Mon Oct 02, 2006 10:43 pm
Location: Singapore

Re: 8.8 Earthquake in Chile, Tsunami WARNING/Watch Posted

#124 Postby Chacor » Sat Feb 27, 2010 5:08 pm

vbhoutex wrote:Tsunami Warning Center has stated that the first Tsunami has hit and more is on the way. Of course they do not know what if any difference there will be as the next waves come in. Apparently some damage in Ventura CA from reports they have received. The Tsunami is now moving up the islands. These are all reports from the warning center.

West Coast/AK Tsunami Warning Center: REPORTS INDICATE THAT
NAVIGATIONAL BUOYS IN VENTURA HARBOR HAVE BEEN DAMAGED.
0 likes   

User avatar
vbhoutex
Storm2k Executive
Storm2k Executive
Posts: 28974
Age: 72
Joined: Wed Oct 09, 2002 11:31 pm
Location: Spring Branch area, Houston, TX
Contact:

Re: 8.8 Earthquake in Chile, Tsunami WARNING/Watch Posted

#125 Postby vbhoutex » Sat Feb 27, 2010 5:08 pm

Waters are once again rushing out of the harbor/river!!! WOW!!
0 likes   
Skywarn, C.E.R.T.
Please click below to donate to STORM2K to help with the expenses of keeping the site going:
Image

User avatar
StormingB81
S2K Supporter
S2K Supporter
Posts: 5676
Age: 42
Joined: Thu Aug 27, 2009 1:45 am
Location: Rockledge, Florida

#126 Postby StormingB81 » Sat Feb 27, 2010 5:09 pm

hopefully they wont be that big!
0 likes   

User avatar
southerngale
Retired Staff
Retired Staff
Posts: 27420
Joined: Thu Oct 10, 2002 1:27 am
Location: Southeast Texas (Beaumont area)

#127 Postby southerngale » Sat Feb 27, 2010 5:10 pm

Death toll now 214. :(
0 likes   
Please support Storm2k by making a donation today. It is greatly appreciated! Click here: Image

Image my Cowboys Image my RocketsImage my Astros

RL3AO
Moderator-Pro Met
Moderator-Pro Met
Posts: 16308
Joined: Thu Jun 14, 2007 10:03 pm
Location: NC

#128 Postby RL3AO » Sat Feb 27, 2010 5:11 pm

One of the guys from the USGS (I think) said the tsunami would be larger near the antipode of the epicenter. That would be in Eastern China.

I wonder if Japan will get a bigger wave?
Last edited by RL3AO on Sat Feb 27, 2010 5:13 pm, edited 2 times in total.
0 likes   

User avatar
Macrocane
Category 5
Category 5
Posts: 4218
Age: 35
Joined: Sun May 24, 2009 5:35 pm
Location: El Salvador

Re: 8.8 Earthquake in Chile, Tsunami WARNING/Watch Posted

#129 Postby Macrocane » Sat Feb 27, 2010 5:12 pm

Death toll has risen up to 214 http://latercera.com/
0 likes   

User avatar
StormingB81
S2K Supporter
S2K Supporter
Posts: 5676
Age: 42
Joined: Thu Aug 27, 2009 1:45 am
Location: Rockledge, Florida

Re:

#130 Postby StormingB81 » Sat Feb 27, 2010 5:15 pm

RL3AO wrote:One of the guys from the USGS (I think) said the tsunami would be larger near the antipode of the epicenter. That would be in Eastern China.

I wonder if Japan will get a bigger wave?


We are not in any watch or warning here in Okinawa
0 likes   

User avatar
brunota2003
S2K Supporter
S2K Supporter
Posts: 9476
Age: 33
Joined: Sat Jul 30, 2005 9:56 pm
Location: Stanton, KY...formerly Havelock, NC
Contact:

#131 Postby brunota2003 » Sat Feb 27, 2010 5:17 pm

Thanks for the answers. Hopefully any waves have been small and have not caused too much damage!
0 likes   

User avatar
Macrocane
Category 5
Category 5
Posts: 4218
Age: 35
Joined: Sun May 24, 2009 5:35 pm
Location: El Salvador

Re: 8.8 Earthquake in Chile, Tsunami WARNING/Watch Posted

#132 Postby Macrocane » Sat Feb 27, 2010 5:30 pm

According to the SNET an increase of 25 cm (10 inches) in the seas was reported in El Salvador at 8:20 am (local time) that was 1 hour before the prediction. In some places rough seas were observed but thankfully no damages were reported. Here is the link to the official report (in Spanish):

http://www.snet.gob.sv/ver/oceanografia/informes+especiales/
0 likes   

User avatar
Chacor
Category 5
Category 5
Posts: 10229
Joined: Mon Oct 02, 2006 10:43 pm
Location: Singapore

#133 Postby Chacor » Sat Feb 27, 2010 5:42 pm

WEPA40 PHEB 272241
TSUPAC

TSUNAMI BULLETIN NUMBER 017
PACIFIC TSUNAMI WARNING CENTER/NOAA/NWS
ISSUED AT 2241Z 27 FEB 2010

THIS BULLETIN APPLIES TO AREAS WITHIN AND BORDERING THE PACIFIC
OCEAN AND ADJACENT SEAS...EXCEPT ALASKA...BRITISH COLUMBIA...
WASHINGTON...OREGON AND CALIFORNIA.

... A WIDESPREAD TSUNAMI WARNING IS IN EFFECT ...

A TSUNAMI WARNING IS IN EFFECT FOR

CHILE / PERU / ECUADOR / COLOMBIA / ANTARCTICA / PANAMA /
COSTA RICA / NICARAGUA / PITCAIRN / HONDURAS / EL SALVADOR /
GUATEMALA / FR. POLYNESIA / MEXICO / COOK ISLANDS / KIRIBATI /
KERMADEC IS / NIUE / NEW ZEALAND / TONGA / AMERICAN SAMOA /
SAMOA / JARVIS IS. / WALLIS-FUTUNA / TOKELAU / FIJI /
AUSTRALIA / HAWAII / PALMYRA IS. / TUVALU / VANUATU /
HOWLAND-BAKER / NEW CALEDONIA / JOHNSTON IS. / SOLOMON IS. /
NAURU / MARSHALL IS. / MIDWAY IS. / KOSRAE / PAPUA NEW GUINEA /
POHNPEI / WAKE IS. / CHUUK / RUSSIA / MARCUS IS. / INDONESIA /
N. MARIANAS / GUAM / YAP / BELAU / JAPAN / PHILIPPINES /
CHINESE TAIPEI

THIS BULLETIN IS ISSUED AS ADVICE TO GOVERNMENT AGENCIES. ONLY
NATIONAL AND LOCAL GOVERNMENT AGENCIES HAVE THE AUTHORITY TO MAKE
DECISIONS REGARDING THE OFFICIAL STATE OF ALERT IN THEIR AREA AND
ANY ACTIONS TO BE TAKEN IN RESPONSE.

AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS

ORIGIN TIME - 0634Z 27 FEB 2010
COORDINATES - 36.1 SOUTH 72.6 WEST
DEPTH - 55 KM
LOCATION - NEAR COAST OF CENTRAL CHILE
MAGNITUDE - 8.8

MEASUREMENTS OR REPORTS OF TSUNAMI WAVE ACTIVITY

GAUGE LOCATION LAT LON TIME AMPL PER
------------------- ----- ------ ----- --------------- -----
NUKUALOFA TO 21.1S 175.2W 2024Z 0.10M / 0.3FT 62MIN
KAWAIHAE HAWAII 20.0N 155.8W 2211Z 0.52M / 1.7FT 24MIN
BARBERS PT HI 21.3N 158.1W 2140Z 0.19M / 0.6FT 76MIN
KAUMALAPAU HAWAII 20.8N 156.9W 2136Z 0.18M / 0.6FT 56MIN
KAHULUI MAUI 20.9N 156.5W 2147Z 0.98M / 3.2FT 22MIN
NAWILIWILI KAUAI 22.0N 159.4W 2151Z 0.28M / 0.9FT 44MIN
PAGO PAGO AS 14.3S 170.7W 2132Z 0.66M / 2.2FT 12MIN
MONTEREY HARBOR CA 36.6N 121.9W 2031Z 0.32M / 1.1FT 56MIN
SANTA MONICA CA 34.0N 118.5W 2035Z 0.41M / 1.4FT 32MIN
SANTA BARBARA CA 34.4N 119.7W 2029Z 0.22M / 0.7FT 48MIN
SAN DIEGO CA 32.7N 117.2W 2036Z 0.13M / 0.4FT 20MIN
APIA UPOLU WS 13.8S 171.8W 2018Z 0.16M / 0.5FT 16MIN
RAROTONGA CK 21.2S 159.8W 1907Z 0.15M / 0.5FT 24MIN
ACAPULCO MX 16.8N 99.9W 1931Z 0.62M / 2.0FT 26MIN
DART SAN DIEGO 4641 32.2N 120.7W 1931Z 0.06M / 0.2FT 24MIN
LOTTIN PT NZ 37.6S 178.2E 1934Z 0.15M / 0.5FT 10MIN
RAROTONGA CK 21.2S 159.8W 1918Z 0.32M / 1.0FT 06MIN
CABO SAN LUCAS MX 22.9N 109.9W 1833Z 0.36M / 1.2FT 12MIN
DART TONGA 51426 23.0S 168.1W 1844Z 0.04M / 0.1FT 30MIN
HIVA OA MARQUESAS 9.8S 139.0W 1741Z 1.79M / 5.9FT 12MIN
PAPEETE TAHITI 17.5S 149.6W 1810Z 0.16M / 0.5FT 10MIN
NUKU HIVA MARQUESAS 8.9S 140.1W 1745Z 0.95M / 3.1FT 04MIN
MANZANILLO MX 19.1N 104.3W 1705Z 0.32M / 1.0FT 24MIN
DART MANZANILLO 434 16.0N 107.0W 1611Z 0.07M / 0.2FT 24MIN
RIKITEA PF 23.1S 134.9W 1559Z 0.15M / 0.5FT 22MIN
DART MARQUESAS 5140 8.5S 125.0W 1531Z 0.18M / 0.6FT 18MIN
QUEPOS CR 9.4E 81.2W 1416Z 0.24M / 0.8FT 52MIN
BALTRA GALAPAGS EC 0.4S 90.3W 1452Z 0.35M / 1.2FT 14MIN
EASTER CL 27.2S 109.5W 1205Z 0.35M / 1.1FT 52MIN
ANCUD CL 41.9S 73.8W 0838Z 0.62M / 2.0FT 84MIN
CALLAO LA-PUNTA PE 12.1S 77.2W 1029Z 0.36M / 1.2FT 30MIN
ARICA CL 18.5S 70.3W 1008Z 0.94M / 3.1FT 42MIN
IQUIQUE CL 20.2S 70.1W 0907Z 0.28M / 0.9FT 68MIN
ANTOFAGASTA CL 23.2S 70.4W 0941Z 0.49M / 1.6FT 52MIN
DART LIMA 32412 18.0S 86.4W 0941Z 0.24M / 0.8FT 36MIN
CALDERA CL 27.1S 70.8W 0843Z 0.45M / 1.5FT 20MIN
TALCAHUANO CL 36.7S 73.4W 0653Z 2.34M / 7.7FT 88MIN
COQUIMBO CL 30.0S 71.3W 0852Z 1.32M / 4.3FT 30MIN
CORRAL CL 39.9S 73.4W 0739Z 0.90M / 2.9FT 16MIN
SAN FELIX CL 26.3S 80.1W 0815Z 0.53M / 1.7FT 08MIN
VALPARAISO CL 33.0S 71.6W 0708Z 1.29M / 4.2FT 20MIN

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.

EVALUATION

SEA LEVEL READINGS CONFIRM THAT A TSUNAMI HAS BEEN GENERATED
WHICH COULD CAUSE WIDESPREAD DAMAGE. AUTHORITIES SHOULD TAKE
APPROPRIATE ACTION IN RESPONSE TO THIS THREAT. THIS CENTER WILL
CONTINUE TO MONITOR SEA LEVEL DATA TO DETERMINE THE EXTENT AND
SEVERITY OF THE THREAT.

A TSUNAMI IS A SERIES OF WAVES AND THE FIRST WAVE MAY NOT BE THE
LARGEST. TSUNAMI WAVE HEIGHTS CANNOT BE PREDICTED AND CAN VARY
SIGNIFICANTLY ALONG A COAST DUE TO LOCAL EFFECTS. THE TIME FROM
ONE TSUNAMI WAVE TO THE NEXT CAN BE FIVE MINUTES TO AN HOUR, AND
THE THREAT CAN CONTINUE FOR MANY HOURS AS MULTIPLE WAVES ARRIVE.

FOR ALL AREAS - WHEN NO MAJOR WAVES ARE OBSERVED FOR TWO HOURS
AFTER THE ESTIMATED TIME OF ARRIVAL OR DAMAGING WAVES HAVE NOT
OCCURRED FOR AT LEAST TWO HOURS THEN LOCAL AUTHORITIES CAN ASSUME
THE THREAT IS PASSED. DANGER TO BOATS AND COASTAL STRUCTURES CAN
CONTINUE FOR SEVERAL HOURS DUE TO RAPID CURRENTS. AS LOCAL
CONDITIONS CAN CAUSE A WIDE VARIATION IN TSUNAMI WAVE ACTION THE
ALL CLEAR DETERMINATION MUST BE MADE BY LOCAL AUTHORITIES.

BULLETINS WILL BE ISSUED HOURLY OR SOONER IF CONDITIONS WARRANT.
THE TSUNAMI WARNING WILL REMAIN IN EFFECT UNTIL FURTHER NOTICE.

THE WEST COAST/ALASKA TSUNAMI WARNING CENTER WILL ISSUE PRODUCTS
FOR ALASKA...BRITISH COLUMBIA...WASHINGTON...OREGON...CALIFORNIA.
...SP...
0 likes   

User avatar
Chacor
Category 5
Category 5
Posts: 10229
Joined: Mon Oct 02, 2006 10:43 pm
Location: Singapore

#134 Postby Chacor » Sat Feb 27, 2010 5:52 pm

WC/ATWC:

A TSUNAMI HAS BEEN OBSERVED AT THE FOLLOWING SITES

LOCATION LAT LON TIME AMPL
------------------------ ----- ------ ------- -----------
ARENA COVE CA 38.9N 123.7W 2044UTC 0.39M/1.3FT
CRESCENT CITY CA 41.7N 124.2W 2144UTC 0.36M/1.2FT
SAN FRANSICO CA 37.8N 122.5W 2120UTC 0.26M/0.8FT
LOS ANGELES CA 33.7N 118.3W 2043UTC 0.42M/1.4FT
MONTEREY HARBOR CA 36.6N 121.9W 2036UTC 0.30M/1.0FT
NORTH SPIT CA 40.8N 124.2W 2132UTC 0.15M/0.5FT
POINT REYES CA 38.0N 123.0W 2144UTC 0.31M/1.0FT
SANTA BARBARA CA 34.4N 119.7W 2031UTC 0.44M/1.5FT
PORT ORFORD OR 42.7N 124.5W 2133UTC 0.24M/0.8FT
SANTA MONICA CA 34.0N 118.5W 2024UTC 0.66M/2.2FT
THE TSUNAMI CONTINUES IMPACTING THE U.S. CALIFORNIA COAST AND
HAS BEEN OBSERVED ON SEVERAL TIDE GAGES. REPORTS INDICATE THAT
NAVIGATIONAL BUOYS IN VENTURA HARBOR HAVE BEEN DAMAGED. THE
LARGEST OBSERVED TIDE GAGE READING WAS MEASURED IN SANTA MONICA
CA WITH A RISE ABOVE NORMAL OF 0.66M OR 2.2 FT. THE TSUNAMI
IN CALIFORNIA IS EXPECTED TO CONTINUE TO BE DANGEROUS
FOR THE NEXT THREE HOURS. IMPACT IN OREGON WASHINGTON AND
BRITISH COLUMBIA IS EXPECTED TO BE LOWER THAN OBSERVED IN
CALIFORNIA.
0 likes   

User avatar
StormingB81
S2K Supporter
S2K Supporter
Posts: 5676
Age: 42
Joined: Thu Aug 27, 2009 1:45 am
Location: Rockledge, Florida

#135 Postby StormingB81 » Sat Feb 27, 2010 5:55 pm

Japan hasn't put us in any Tsunami advisory as of right now.
0 likes   

User avatar
Chacor
Category 5
Category 5
Posts: 10229
Joined: Mon Oct 02, 2006 10:43 pm
Location: Singapore

#136 Postby Chacor » Sat Feb 27, 2010 6:41 pm

WEHW40 PHEB 272339
TSUHWX

HIZ001>003-005>009-012>014-016>021-023>026-280139-
/O.CAN.PHEB.TS.W.0001.000000T0000Z-000000T0000Z/

BULLETIN
TSUNAMI MESSAGE NUMBER 20
NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI
138 PM HST SAT FEB 27 2010

TO - CIVIL DEFENSE IN THE STATE OF HAWAII

SUBJECT - TSUNAMI WARNING CANCELLATION

THE TSUNAMI WARNING IS CANCELLED FOR THE STATE OF HAWAII EFFECTIVE
AT 0138 PM HST.


AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS

ORIGIN TIME - 0834 PM HST 26 FEB 2010
COORDINATES - 36.1 SOUTH 72.6 WEST
LOCATION - NEAR COAST OF CENTRAL CHILE
MAGNITUDE - 8.8 MOMENT

MEASUREMENTS OR REPORTS OF TSUNAMI WAVE ACTIVITY

GAUGE LOCATION LAT LON TIME AMPL PER
------------------- ----- ------ ----- --------------- -----
KAWAIHAE HAWAII 20.0N 155.8W 2211Z 0.52M / 1.7FT 24MIN
BARBERS PT HI 21.3N 158.1W 2140Z 0.19M / 0.6FT 76MIN
KAUMALAPAU HAWAII 20.8N 156.9W 2136Z 0.18M / 0.6FT 56MIN
KAHULUI MAUI 20.9N 156.5W 2147Z 0.98M / 3.2FT 22MIN
NAWILIWILI KAUAI 22.0N 159.4W 2151Z 0.28M / 0.9FT 44MIN
PAGO PAGO AS 14.3S 170.7W 2132Z 0.66M / 2.2FT 12MIN

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.

EVALUATION

BASED ON ALL AVAILABLE DATA THERE IS NO LONGER A DESTRUCTIVE
TSUNAMI THREAT TO THE STATE OF HAWAII. THEREFORE THE TSUNAMI
WARNING FOR HAWAII IS CANCELLED.

HOWEVER SOME COASTAL AREAS IN HAWAII MAY CONTINUE TO EXPERIENCE
SMALL SEA LEVEL CHANGES AND STRONG OR UNUSUAL CURRENTS LASTING
FOR SEVERAL MORE HOURS.

THIS TSUNAMI WARNING CANCELLATION DOES NOT MEAN IT IS NOW SAFE TO
RESUME NORMAL ACTIVITIES OR REENTER EVACUATED SHORELINE AREAS.
YOUR COUNTY CIVIL DEFENSE AGENCY AND POLICE DEPARTMENT WILL MAKE
THIS DETERMINATION. STAY TUNED TO YOUR LOCAL BROADCAST STATION FOR
THE CIVIL DEFENSE -ALL CLEAR- ANNOUNCEMENT FOR YOUR AREA.

REPEAT -
DO NOT REENTER EVACUATED SHORELINE AREAS UNTIL ANNOUNCED BY YOUR
COUNTY CIVIL DEFENSE AGENCY. STAY TUNED TO YOUR LOCAL BROADCAST
STATION FOR THE -ALL CLEAR- ANNOUNCEMENT FOR YOUR AREA. PLEASE
YIELD TO ROADBLOCKS AND UNIFORMED OFFICERS WHO ARE CONTROLLING
REENTRY INTO EVACUATED SHORELINE AREAS.

THIS WILL BE THE FINAL MESSAGE ISSUED FOR THIS EVENT UNLESS
ADDITIONAL DATA ARE RECEIVED.
...SP...
0 likes   

User avatar
Macrocane
Category 5
Category 5
Posts: 4218
Age: 35
Joined: Sun May 24, 2009 5:35 pm
Location: El Salvador

Re: 8.8 Earthquake in Chile, Tsunami WARNING/Watch Posted

#137 Postby Macrocane » Sat Feb 27, 2010 6:55 pm

In Talcahuano (Chile) the tsunami left boats on the streets and hundreds of homes flooded, I was lloking for pictures but didn't find anything, but TVChile has been showing footage from that city and it looks pretty impressive. Also the situation in Juan Fernandez Islands seems to be worst than thought.
0 likes   

User avatar
Chacor
Category 5
Category 5
Posts: 10229
Joined: Mon Oct 02, 2006 10:43 pm
Location: Singapore

#138 Postby Chacor » Sat Feb 27, 2010 6:58 pm

WEPA41 PAAQ 272354
TSUWCA

BULLETIN
TSUNAMI MESSAGE NUMBER 18
NWS WEST COAST/ALASKA TSUNAMI WARNING CENTER PALMER AK
354 PM PST SAT FEB 27 2010

...A TSUNAMI ADVISORY IS IN EFFECT WHICH INCLUDES THE
COASTAL AREAS OF CALIFORNIA - OREGON - WASHINGTON - BRITISH
COLUMBIA AND ALASKA FROM THE CALIFORNIA-MEXICO BORDER TO
ATTU ALASKA...

RECOMMENDED ACTIONS
A TSUNAMI HAS BEEN GENERATED WHICH COULD IMPACT THE ADVISORY
REGIONS LISTED IN THE HEADLINE. PERSONS IN LOW-LYING COASTAL
AREAS SHOULD BE ALERT TO INSTRUCTIONS FROM THEIR LOCAL EMERGENCY
OFFICIALS. EVACUATIONS ARE ONLY ORDERED BY EMERGENCY RESPONSE
AGENCIES.
- PERSONS IN TSUNAMI ADVISORY AREAS SHOULD MOVE OUT OF THE
WATER... OFF THE BEACH AND OUT OF HARBORS AND MARINAS.

THIS MESSAGE IS BASED ON EARTHQUAKE DATA... OBSERVED TSUNAMI
AMPLITUDES... HISTORICAL INFORMATION AND FORECAST MODELS.

A TSUNAMI HAS BEEN OBSERVED AT THE FOLLOWING SITES

LOCATION LAT LON TIME AMPL
------------------------ ----- ------ ------- -----------
CHARLESTON OR 43.3N 124.3W 2206UTC 0.12M/0.4FT
SANTA MONICA CA 34.0N 118.5W 2022UTC 0.71M/2.3FT
PORT ORFORD OR 42.7N 124.5W 2140UTC 0.27M/0.9FT
SAN DIEGO CA 32.7N 117.2W 2052UTC 0.33M/1.1FT
SANTA BARBARA CA 34.4N 119.7W 2252UTC 0.72M/2.3FT
POINT REYES CA 38.0N 123.0W 2235UTC 0.26M/0.8FT
LA PUSH WA 47.5N 124.4W 2254UTC 0.11M/0.4FT
NORTH SPIT CA 40.8N 124.2W 2214UTC 0.23M/0.7FT
MONTEREY HARBOR CA 36.6N 121.9W 2226UTC 0.28M/0.9FT
ARENA COVE CA 38.9N 123.7W 2304UTC 0.36M/1.2FT
THE TSUNAMI CONTINUES TO IMPACT THE U.S. CALIFORNIA COAST AND
IS STILL AT DANGEROUS LEVEL AT A FEW SITES SUCH AS SANTA BARBARA.
NON-DAMAGING TSUNAMIS HAVE BEEN OBSERVED ALONG THE OREGON
WASHINGTON AND BRITISH COLUMBIA COASTS - THOUGH WAVE HEIGHTS
ARE STILL RISING. THE TSUNAMI FRONT IS NOW APPROACHING SOUTHEAST
ALASKA AND WILL BE RECORDED IN SOUTH CENTRAL ALASKA
IN APPROXIMATELY AN HOUR.


TIME - TIME OF MEASUREMENT
AMPL - TSUNAMI AMPLITUDES ARE MEASURED RELATIVE TO NORMAL SEA LEVEL.
IT IS ...NOT... CREST-TO-TROUGH WAVE HEIGHT.
VALUES ARE GIVEN IN BOTH METERS(M) AND FEET(FT).

PRELIMINARY EARTHQUAKE PARAMETERS
MAGNITUDE - 8.8
TIME - 2134 AKST FEB 26 2010
2234 PST FEB 26 2010
0634 UTC FEB 27 2010
LOCATION - 36.1 SOUTH 72.6 WEST
- NEAR COAST OF CENTRAL CHILE
DEPTH - 34 MILES/55 KM

THE PACIFIC TSUNAMI WARNING CENTER IN EWA BEACH HAWAII WILL
ISSUE MESSAGES FOR HAWAII AND OTHER AREAS OF THE PACIFIC
OUTSIDE THE STATES AND PROVINCES PREVIOUSLY LISTED.

TSUNAMI ADVISORIES MEAN THAT A TSUNAMI CAPABLE OF PRODUCING
STRONG CURRENTS OR WAVES DANGEROUS TO PERSONS IN OR VERY NEAR THE
WATER IS IMMINENT OR EXPECTED. SIGNIFICANT WIDESPREAD INUNDATION
IS NOT EXPECTED FOR AREAS UNDER AN ADVISORY. CURRENTS MAY BE
HAZARDOUS TO SWIMMERS... BOATS... AND COASTAL STRUCTURES AND MAY
CONTINUE FOR SEVERAL HOURS AFTER THE INITIAL WAVE ARRIVAL.

THIS MESSAGE WILL BE UPDATED IN 60 MINUTES OR SOONER IF
THE SITUATION WARRANTS. THE TSUNAMI MESSAGE WILL REMAIN IN EFFECT
UNTIL FURTHER NOTICE. REFER TO THE INTERNET SITE
WCATWC.ARH.NOAA.GOV FOR MORE INFORMATION.
0 likes   

User avatar
KWT
Category 5
Category 5
Posts: 31390
Joined: Tue Aug 17, 2004 11:02 am
Location: UK!!!

#139 Postby KWT » Sat Feb 27, 2010 7:00 pm

Good to see the threat of a tsunami in Hawaii has decreased, however the fact that the death toll is now over 200 is not good, and sadly its likely to get far higher as well, I suspect into the thousands once all is said and done.
0 likes   
Personal Forecast Disclaimer:
The posts in this forum are NOT official forecast and should not be used as such. They are just the opinion of the poster and may or may not be backed by sound meteorological data. They are NOT endorsed by any professional institution or storm2k.org. For official information, please refer to the NHC and NWS products

User avatar
cycloneye
Admin
Admin
Posts: 139082
Age: 67
Joined: Thu Oct 10, 2002 10:54 am
Location: San Juan, Puerto Rico

Re: 8.8 Earthquake in Chile, Tsunami WARNING/Watch Posted

#140 Postby cycloneye » Sat Feb 27, 2010 7:03 pm

5.8 aftershock

This is the most recent aftershock.

http://earthquake.usgs.gov/earthquakes/ ... 10tffd.php

Image

Magnitude 5.8
Date-Time Saturday, February 27, 2010 at 23:12:35 UTC
Saturday, February 27, 2010 at 08:12:35 PM at epicenter
Time of Earthquake in other Time Zones

Location 34.741°S, 71.864°W
Depth 35 km (21.7 miles)
Region LIBERTADOR O'HIGGINS, CHILE
Distances 80 km (50 miles) NNW of Talca, Chile
120 km (75 miles) WSW of Rancagua, Chile
180 km (110 miles) SW of SANTIAGO, Chile
190 km (120 miles) S of Valparaiso, Chile

Location Uncertainty horizontal +/- 20.8 km (12.9 miles); depth +/- 2.8 km (1.7 miles)
Parameters NST=251, Nph=255, Dmin=675.7 km, Rmss=0.84 sec, Gp= 79°,
M-type="moment" magnitude from initial P wave (tsuboi method) (Mi/Mwp), Version=6
Source USGS NEIC (WDCS-D)


Event ID us2010tffd
0 likes   
Visit the Caribbean-Central America Weather Thread where you can find at first post web cams,radars
and observations from Caribbean basin members Click Here


Return to “Astronomy and Geology”

Who is online

Users browsing this forum: No registered users and 99 guests