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Junkdrawer

(27,993 posts)
Fri Aug 31, 2012, 09:21 AM Aug 2012

7.9 quake hits off Philippines

Source: CNN

An earthquake with a preliminary magnitude of 7.9 has struck off the coast of the Philippines, the U.S. Geological Survey said Friday. The quake was about 20 miles deep, the agency said.

The quake prompted a tsunami warning for parts of Indonesia, the Philippines, Taiwan, Japan, Guam and other areas, the Pacific Tsunami Warning Center said.

"An earthquake of this size has the potential to generate a destructive tsunami that can strike coastlines near the epicenter within minutes and more distant coastlines within hours," the tsunami warning center said.

The quake struck just before 8:50 p.m. local time, the agency said.



Read more: http://news.blogs.cnn.com/2012/08/31/7-9-quake-hits-off-philippines/



All eyes turn to Fukushima Reactor #4...

Please hold....

On edit: Probably too far away to bother Fukushima.
4 replies = new reply since forum marked as read
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7.9 quake hits off Philippines (Original Post) Junkdrawer Aug 2012 OP
USGS Cite on this earthquake happyslug Aug 2012 #1
Latest Warning - Tsumani was generated al bupp Aug 2012 #3
Fracking AGAIN! slackmaster Aug 2012 #2
Vibes applegrove Aug 2012 #4
 

happyslug

(14,779 posts)
1. USGS Cite on this earthquake
Fri Aug 31, 2012, 09:26 AM
Aug 2012
http://earthquake.usgs.gov/earthquakes/eventpage/usc000cc5m#summary

USGS Earthquake map world wide:
http://earthquake.usgs.gov/earthquakes/map/

As of 9:35 am EDT no "No Watch, Warning, or Advisory" from the WEST COAST/ALASKA TSUNAMI WARNING CENTER. The Earthquake was at 4:00 am EDT.

http://wcatwc.arh.noaa.gov/

Through Hawaii has been issued a "Watch" by the PACIFIC TSUNAMI WARNING CENTER
http://ptwc.weather.gov/ptwc/?region=2&id=hawaii.TSUHWX.2012.08.31.1258


000
WEPA40 PHEB 311329
TSUPAC

TSUNAMI BULLETIN NUMBER 002
PACIFIC TSUNAMI WARNING CENTER/NOAA/NWS
ISSUED AT 1329Z 31 AUG 2012

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

THE EARTHQUAKE MAGNITUDE AND AREAS OF WARNING ARE NOW REDUCED.

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

A TSUNAMI WARNING IS IN EFFECT FOR

INDONESIA / PHILIPPINES / BELAU

FOR ALL OTHER AREAS COVERED BY THIS BULLETIN... IT IS FOR
INFORMATION ONLY AT THIS TIME.

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 - 1248Z 31 AUG 2012
COORDINATES - 10.9 NORTH 127.1 EAST
DEPTH - 33 KM
LOCATION - PHILIPPINE ISLANDS REGION
MAGNITUDE - 7.6

EVALUATION

IT IS NOT KNOWN THAT A TSUNAMI WAS GENERATED. THIS WARNING IS
BASED ONLY ON THE EARTHQUAKE EVALUATION. AN EARTHQUAKE OF THIS
SIZE HAS THE POTENTIAL TO GENERATE A DESTRUCTIVE TSUNAMI THAT CAN
STRIKE COASTLINES IN THE REGION NEAR THE EPICENTER WITHIN MINUTES
TO HOURS. AUTHORITIES IN THE REGION SHOULD TAKE APPROPRIATE
ACTION IN RESPONSE TO THIS POSSIBILITY. THIS CENTER WILL MONITOR
SEA LEVEL GAUGES NEAREST THE REGION AND REPORT IF ANY TSUNAMI
WAVE ACTIVITY IS OBSERVED. THE WARNING WILL NOT EXPAND TO OTHER
AREAS OF THE PACIFIC UNLESS ADDITIONAL DATA ARE RECEIVED TO
WARRANT SUCH AN EXPANSION.

ESTIMATED INITIAL TSUNAMI WAVE ARRIVAL TIMES AT FORECAST POINTS
WITHIN THE WARNING AND WATCH AREAS 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
SUCCESSIVE WAVES CAN BE FIVE MINUTES TO ONE HOUR.

LOCATION FORECAST POINT COORDINATES ARRIVAL TIME
-------------------------------- ------------ ------------
INDONESIA GEME 4.6N 126.8E 1335Z 31 AUG
BEREBERE 2.5N 128.7E 1353Z 31 AUG
PATANI 0.4N 128.8E 1419Z 31 AUG
PHILIPPINES LEGASPI 13.2N 123.8E 1338Z 31 AUG
DAVAO 6.8N 125.7E 1340Z 31 AUG
PALANAN 17.1N 122.6E 1353Z 31 AUG
BELAU MALAKAL 7.3N 134.5E 1407Z 31 AUG

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

THE JAPAN METEOROLOGICAL AGENCY MAY ALSO ISSUE TSUNAMI MESSAGES
FOR THIS EVENT TO COUNTRIES IN THE NORTHWEST PACIFIC AND SOUTH
CHINA SEA REGION. IN CASE OF CONFLICTING INFORMATION... THE
MORE CONSERVATIVE INFORMATION SHOULD BE USED FOR SAFETY.

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

http://ptwc.weather.gov/ptwc/text.php?id=pacific.TSUPAC.2012.08.31.1329

al bupp

(2,181 posts)
3. Latest Warning - Tsumani was generated
Fri Aug 31, 2012, 11:04 AM
Aug 2012
http://ptwc.weather.gov/ptwc/text.php?id=pacific.TSUPAC.2012.08.31.1425

AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS

ORIGIN TIME - 1248Z 31 AUG 2012
COORDINATES - 10.9 NORTH 127.1 EAST
DEPTH - 33 KM
LOCATION - PHILIPPINE ISLANDS REGION
MAGNITUDE - 7.6

MEASUREMENTS OR REPORTS OF TSUNAMI WAVE ACTIVITY

GAUGE LOCATION LAT LON TIME AMPL PER
------------------- ----- ------ ----- --------------- -----
DART 52405 12.9N 132.3E 1333Z 0.03M / 0.1FT 10MIN
LEGASPI PH 13.1N 123.8E 1343Z 0.03M / 0.1FT 14MIN

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.

EVALUATION

SEA LEVEL READINGS CONFIRM THAT A TSUNAMI WAS GENERATED. THIS
TSUNAMI MAY HAVE BEEN DESTRUCTIVE ALONG COASTLINES OF THE REGION
NEAR THE EARTHQUAKE EPICENTER. AUTHORITIES IN THE REGION SHOULD
TAKE APPROPRIATE ACTION IN RESPONSE TO THIS POSSIBILITY. THIS
CENTER WILL CONTINUE TO MONITOR SEA LEVEL GAUGES NEAREST THE
REGION AND REPORT IF ANY ADDITIONAL TSUNAMI WAVE ACTIVITY. THE
WARNING WILL NOT EXPAND TO OTHER AREAS OF THE PACIFIC UNLESS
ADDITIONAL DATA ARE RECEIVED TO WARRANT SUCH AN EXPANSION.

FOR AFFECTED 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.

ESTIMATED INITIAL TSUNAMI WAVE ARRIVAL TIMES AT FORECAST POINTS
WITHIN THE WARNING AND WATCH AREAS 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
SUCCESSIVE WAVES CAN BE FIVE MINUTES TO ONE HOUR.

LOCATION FORECAST POINT COORDINATES ARRIVAL TIME
-------------------------------- ------------ ------------
INDONESIA GEME 4.6N 126.8E 1335Z 31 AUG
BEREBERE 2.5N 128.7E 1353Z 31 AUG
PATANI 0.4N 128.8E 1419Z 31 AUG
PHILIPPINES LEGASPI 13.2N 123.8E 1338Z 31 AUG
DAVAO 6.8N 125.7E 1340Z 31 AUG
PALANAN 17.1N 122.6E 1353Z 31 AUG
BELAU MALAKAL 7.3N 134.5E 1407Z 31 AUG

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