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Earthquakes worldwide 6.0 or greater

Re: Earthquakes worldwide 6.0 or greater

Postby rustled » Sep 7th, 2017, 10:53 pm

Queen K wrote:Just in, earthquake registering as an Eight off the coast of Mexico. Info scarce as it just happened.

http://www.msn.com/en-ca/news/world/qua ... li=AAggv0m

Looks bad, Queen K:

https://earthquake.usgs.gov/earthquakes ... #executive

tsunami info (not sure how to interpret it):
http://www.tsunami.gov/

ETA: interpretation:
An earthquake of a magnitude 8.2 struck off the coast of Chiapas, Mexico, late on Thursday local time, the Pacific Tsunami Warning Center (PTWC) said, citing USGS data.

Tsunami waves of more than 3 meters, or nearly 10 feet, above the tide level are possible along some coasts of Mexico, the PTWC said.

It added that tsunami waves of 0.3 to 1 meters above the tide level were possible for some coasts of the Cook Islands, Ecuador, French Polynesia, Guatemala and Kiribati.

Tsunami waves of less than 0.3 meters above tide level were possible Colombia, Costa Rica, El Salvador, Hawaii, Honduras, Jarvis Island, Nicaragua, the Northwestern Hawaiian Islands, Palmyra Island, Panama and Peru.

https://www.cnbc.com/2017/09/08/mexico- ... -usgs.html
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Re: Earthquakes worldwide 6.0 or greater

Postby JagXKR » Sep 7th, 2017, 11:34 pm

EVALUATION
----------

* AN EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 8.2 OCCURRED
OFF THE COAST OF CHIAPAS, MEXICO AT 0449 UTC ON FRIDAY
SEPTEMBER 8 2017.

* 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

MEXICO.

From one of the bulletins on tsunami.gov
Key part was they have been observed
Why use a big word when a diminutive one will suffice.
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Re: Earthquakes worldwide 6.0 or greater

Postby JagXKR » Sep 7th, 2017, 11:45 pm

ESTIMATED TIMES OF ARRIVAL
--------------------------

* ESTIMATED TIMES OF ARRIVAL -ETA- OF THE INITIAL TSUNAMI WAVE
FOR PLACES WITHIN THREATENED REGIONS 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
WAVES CAN BE FIVE MINUTES TO ONE HOUR.

LOCATION ------ -- REGION ----- COORDINATES -- ETA(UTC)
------------------------------------------------------------
PUERTO MADERO MEXICO ----- 14.8N 92.5W ---- 0548 09/08
SALINA CRUZ ------ MEXICO ----- 16.5N 95.2W ---- 0551 09/08
ACAPULCO -------- MEXICO ----- 16.9N 99.9W ----- 0552 09/08
SIPICATE ----------- GUATEMALA 13.9N 91.2W ---- 0604 09/08
ACAJUTLA ------- EL SALVADOR 13.6N 89.8W ---- 0610 09/08
LAZARO CARDENAS MEXICO --- 17.9N 102.2W -- 0619 09/08

11pm PDT is 0600 UTC so the waves will have hit any of these areas already. May have to wait until daylight before we get reports of actual wave heights.
Why use a big word when a diminutive one will suffice.
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Re: Earthquakes worldwide 6.0 or greater

Postby Queen K » Sep 8th, 2017, 6:17 am

http://www.cnn.com/2017/09/08/americas/ ... index.html

Nothing about tsunami damage on CNN but here is a preliminary land report.
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Re: Earthquakes worldwide 6.0 or greater

Postby Queen K » Sep 8th, 2017, 6:22 am

http://www.bbc.com/news/world-latin-america-41197831

BBC also reports on the earthquake.
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Re: Earthquakes worldwide 6.0 or greater

Postby JagXKR » Sep 8th, 2017, 8:30 am

LOCATION ----------COORDINATES--TIME (UTC)-MAX HEIGHT- WAVE PERIOD (MIN)

MANZANILLO MX ----- 19.1N 104.3W -- 0710 - 0.24M/ 0.8FT -- 38
CHIAPAS MX ----------- 14.7N 92.4W -- 0617--- 0.50M/ 1.7FT-- 30
ACAPULCO MX ------- 16.8N 99.9W -- 0635--- 0.72M/ 2.4FT-- 24
DART 32411 ---------- 5.0N 90.8W -- 0642----- 0.03M/ 0.1FT-- 26
SALINA CRUZ MX ---- 16.2N 95.2W-- 0635 --- 1.01M/ 3.3FT-- 46
PUERTO ANGEL MX - 15.7N 96.5W -- 0517 -- 0.29M/ 1.0FT-- 24
HUATULCO MX -------- 15.8N 96.1W -- 0514 -- 0.69M/ 2.3FT --12


http://www.tsunami.gov/events/PHEB/2017 ... WEPA40.txt

Highest wave seems to be only 3.3 feet so should not do much damage at all.
Why use a big word when a diminutive one will suffice.

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Re: Earthquakes worldwide 6.0 or greater

Postby averagejoe » Sep 8th, 2017, 2:00 pm

Image

View of damaged hotel 'Ane Centro' after the 8.2 magnitude earthquake in Matias Romero, Oaxaca, Mexico on Sept. 8, 2017.
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Re: Earthquakes worldwide 6.0 or greater

Postby averagejoe » Sep 8th, 2017, 2:03 pm

From Yahoo news....

Mexico earthquake: Mysterious green flashes light up the sky after tremor



Mysterious green and blue flashes were seen by witnesses in Mexico City after it was rocked by a magnitude 8.2 earthquake.

The powerful quake set off a tsunami warning for at least eight countries – and at least six people have been confirmed dead in the most powerful quake to strike the country for 100 years.

A video of the earthquake lights was captured by a witness – capturing a strange, little-understood phenomenon.

https://uk.news.yahoo.com/mysterious-gr ... 57035.html
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Re: Earthquakes worldwide 6.0 or greater

Postby GordonH » Sep 19th, 2017, 11:38 am

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Re: Earthquakes worldwide 6.0 or greater

Postby Glacier » Sep 19th, 2017, 2:47 pm

This earthquake is devastating. Lots of dead and injured.

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Re: Earthquakes worldwide 6.0 or greater

Postby Queen K » Sep 19th, 2017, 3:28 pm

Mexico has been hit hard: two or three tropical storms, and two huge earthquakes? One of which was downplayed in the news. Well they can't down play this one.

http://www.cnn.com/2017/09/19/americas/ ... index.html

The video is shocking.

Fox news has a different take on things and the death toll is at 79 now and expected to be rising.

http://www.foxnews.com/world/2017/09/19 ... -city.html
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Re: Earthquakes worldwide 6.0 or greater

Postby GordonH » Sep 19th, 2017, 4:32 pm

Brick &/or stone buildings do not fair very well in quakes. Japan is one of leading countries on seismic building construction (Japan has 1,500+/- quakes yearly).
Even steel and concrete buildings unless built with seismic event in mind could be very unstable.

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Re: Earthquakes worldwide 6.0 or greater

Postby GordonH » Sep 19th, 2017, 7:35 pm

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Re: Earthquakes worldwide 6.0 or greater

Postby Glacier » Sep 19th, 2017, 10:44 pm

Donald Trump is vowing to help Mexico recover from the the earthquake by immediately sending 11 million relief workers.

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Re: Earthquakes worldwide 6.0 or greater

Postby GordonH » Yesterday, 10:18 am

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