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8th September 2017 05:00
Link to Post #1
Earthquake Reporter (automated reports)
Mw 8.1 OFFSHORE CHIAPAS, MEXICO
Magnitude Mw 8.1Region OFFSHORE CHIAPAS, MEXICODate time 2017-09-08 04:49:22.4 UTCLocation 15.24 N ; 93.61 WDepth 80 km
More...
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8th September 2017 05:10
Link to Post #2
Re: Mw 8.1 OFFSHORE CHIAPAS, MEXICO
Tsunami warnings are in effect, up and down the coastal areas to Costa Rica. This is a big one..
NOAA TSUNAMI WEBPAGE for UPDATES: http://www.tsunami.gov/
SUBJECT - TSUNAMI INFORMATION STATEMENT
SEE UPDATE 2 and update 3 BELOW (bottom of this post) for current warnings
TSUNAMI warnings extend through Honduras, Guatemala, Mexico,
AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS
ORIGIN TIME - 0649 PM HST 07 SEP 2017
COORDINATES - 14.9 NORTH 94.0 WEST
LOCATION - OFF THE COAST OF CHIAPAS MEXICO
MAGNITUDE - 8.2 MOMENT
EVALUATION
THE PACIFIC TSUNAMI WARNING CENTER HAS ISSUED A TSUNAMI THREAT
MESSAGE FOR OTHER PARTS OF THE PACIFIC LOCATED CLOSER TO THE
EARTHQUAKE.
374 km W of Guatemala City, Guatemala / pop: 995,000 / local time: 22:49:14.1 2017-09-07
200 km SW of Tuxtla Gutiérrez, Mexico / pop: 482,000 / local time: 23:49:14.1 2017-09-07
93 km SW of Tres Picos, Mexico / pop: 4,900 / local time: 23:49:14.1 2017-09-07
more: 84 miles from Mapastepec, Chiapas, Mexico
this general area is quite seismically active, has been experiencing swarms (onshore and offshore) since about June 14th, 2017
More on Tsunami warnings:
TSUNAMI UPDATE - 2
* TSUNAMI WAVES REACHING MORE THAN 3 METERS ABOVE THE TIDE
LEVEL ARE POSSIBLE ALONG SOME COASTS OF
MEXICO.
* TSUNAMI WAVES REACHING 0.3 TO 1 METERS ABOVE THE TIDE LEVEL
ARE POSSIBLE FOR SOME COASTS OF
AMERICAN SAMOA... ANTARCTICA... COOK ISLANDS... ECUADOR...
EL SALVADOR... FIJI... FRENCH POLYNESIA... GUATEMALA...
KIRIBATI... NEW ZEALAND... SAMOA... TOKELAU... TUVALU...
VANUATU... AND WALLIS AND FUTUNA.
* TSUNAMI WAVES ARE FORECAST TO BE LESS THAN 0.3 METERS
ABOVE THE TIDE LEVEL - NO TSUNAMI THREAT - FOR THE COASTS OF
AUSTRALIA... CHILE... CHINA... CHUUK... COLOMBIA... COSTA
RICA... GUAM... HAWAII... HONDURAS... HOWLAND AND BAKER...
INDONESIA... JAPAN... JARVIS ISLAND... JOHNSTON ATOLL...
KERMADEC ISLANDS... KOSRAE... MALAYSIA... MARSHALL
ISLANDS... MIDWAY ISLAND... NAURU... NEW CALEDONIA...
NICARAGUA... NIUE... NORTHERN MARIANAS... NORTHWESTERN
HAWAIIAN ISLANDS... PALAU... PALMYRA ISLAND... PANAMA...
PAPUA NEW GUINEA... PERU... PHILIPPINES... PITCAIRN
ISLANDS... POHNPEI... RUSSIA... SOLOMON ISLANDS...
TAIWAN... TONGA... VIETNAM... WAKE ISLAND... AND YAP.
* 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
AND AT LOCATIONS WITH FRINGING OR BARRIER REEFS WILL LIKELY
BE MUCH SMALLER THAN THE FORECAST INDICATES.
======================
Update 3
TSUNAMI THREAT FORECAST
-----------------------
* TSUNAMI WAVES REACHING MORE THAN 3 METERS ABOVE THE TIDE
LEVEL ARE POSSIBLE ALONG SOME COASTS OF
MEXICO.
* TSUNAMI WAVES REACHING 0.3 TO 1 METERS ABOVE THE TIDE LEVEL
ARE POSSIBLE FOR SOME COASTS OF
AMERICAN SAMOA... ANTARCTICA... COOK ISLANDS... ECUADOR...
EL SALVADOR... FIJI... FRENCH POLYNESIA... GUATEMALA...
KIRIBATI... NEW ZEALAND... SAMOA... TOKELAU... TUVALU...
VANUATU... AND WALLIS AND FUTUNA.
* TSUNAMI WAVES ARE FORECAST TO BE LESS THAN 0.3 METERS ABOVE THE TIDE LEVEL FOR THE COASTS OF
AUSTRALIA... CHILE... CHINA... CHUUK... COLOMBIA... COSTA
RICA... GUAM... HAWAII... HONDURAS... HOWLAND AND BAKER...
INDONESIA... JAPAN... JARVIS ISLAND... JOHNSTON ATOLL...
KERMADEC ISLANDS... KOSRAE... MALAYSIA... MARSHALL
ISLANDS... MIDWAY ISLAND... NAURU... NEW CALEDONIA...
NICARAGUA... NIUE... NORTHERN MARIANAS... NORTHWESTERN
HAWAIIAN ISLANDS... PALAU... PALMYRA ISLAND... PANAMA...
PAPUA NEW GUINEA... PERU... PHILIPPINES... PITCAIRN
ISLANDS... POHNPEI... RUSSIA... SOLOMON ISLANDS...
TAIWAN... TONGA... VIETNAM... WAKE ISLAND... AND YAP.
==========================================
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)
------------------------------------------------------------
CHRISTMAS ISLAN KIRIBATI 2.0N 157.5W 1422 09/08
MALDEN ISLAND KIRIBATI 3.9S 154.9W 1426 09/08
FLINT ISLAND KIRIBATI 11.4S 151.8W 1426 09/08
PAPEETE FRENCH POLYNESIA 17.5S 149.6W 1450 09/08
RAPA ITI FRENCH POLYNESIA 27.6S 144.3W 1502 09/08
PENRYN ISLAND COOK ISLANDS 8.9S 157.8W 1505 09/08
TUBUAI FRENCH POLYNESIA 23.3S 149.5W 1510 09/08
RAROTONGA COOK ISLANDS 21.2S 159.8W 1609 09/08
PUKAPUKA ISLAND COOK ISLANDS 10.8S 165.9W 1619 09/08
NUKUNONU ISLAND TOKELAU 9.2S 171.8W 1652 09/08
PAGO PAGO AMERICAN SAMOA 14.3S 170.7W 1705 09/08
APIA SAMOA 13.8S 171.8W 1714 09/08
WALLIS ISLAND WALLIS AND FUTUN 13.3S 176.3W 1746 09/08
FUNAFUTI ISLAND TUVALU 7.9S 178.5E 1751 09/08
FUTUNA ISLAND WALLIS AND FUTUN 14.3S 178.2W 1812 09/08
TARAWA ISLAND KIRIBATI 1.5N 173.0E 1832 09/08
SUVA FIJI 18.1S 178.4E 1915 09/08
KAINGAROA CHATH NEW ZEALAND 43.7S 176.3W 1955 09/08
WAITANGI CHATHA NEW ZEALAND 43.9S 176.6W 1957 09/08
ESPERITU SANTO VANUATU 15.1S 167.3E 1959 09/08
ANATOM ISLAND VANUATU 20.2S 169.9E 2020 09/08
CAPE ADARE ANTARCTICA 71.0S 170.0E 2155 09/08
POTENTIAL IMPACTS
-----------------
* A TSUNAMI IS A SERIES OF WAVES. THE TIME BETWEEN WAVE CRESTS
CAN VARY FROM 5 MINUTES TO AN HOUR. THE HAZARD MAY PERSIST
FOR MANY HOURS OR LONGER AFTER THE INITIAL WAVE.
* IMPACTS CAN VARY SIGNIFICANTLY FROM ONE SECTION OF COAST TO
THE NEXT DUE TO LOCAL BATHYMETRY AND THE SHAPE AND ELEVATION
OF THE SHORELINE.
* IMPACTS CAN ALSO VARY DEPENDING UPON THE STATE OF THE TIDE AT
THE TIME OF THE MAXIMUM TSUNAMI WAVES.
* PERSONS CAUGHT IN THE WATER OF A TSUNAMI MAY DROWN... BE
CRUSHED BY DEBRIS IN THE WATER... OR BE SWEPT OUT TO SEA.
TSUNAMI OBSERVATIONS
--------------------
* THE FOLLOWING ARE TSUNAMI WAVE OBSERVATIONS FROM COASTAL
AND/OR DEEP-OCEAN SEA LEVEL GAUGES AT THE INDICATED
LOCATIONS. THE MAXIMUM TSUNAMI HEIGHT IS MEASURED WITH
RESPECT TO THE NORMAL TIDE LEVEL.
GAUGE TIME OF MAXIMUM WAVE
COORDINATES MEASURE TSUNAMI PERIOD
GAUGE LOCATION LAT LON (UTC) HEIGHT (MIN)
-------------------------------------------------------------
KAHULUI MAUI 20.9N 156.5W 1413 0.18M/ 0.6FT 18
HILO HAWAII 19.7N 155.1W 1357 0.17M/ 0.6FT 18
HIVA OA MARQUESAS 9.8S 139.0W 1341 0.18M/ 0.6FT 08
NUKU HIVA MARQUESAS 8.9S 140.1W 1306 0.20M/ 0.7FT 14
DART 32412 18.0S 86.4W 1020 0.01M/ 0.0FT 26
EASTER CL 27.2S 109.4W 1151 0.29M/ 0.9FT 06
DART 32413 7.4S 93.5W 0843 0.02M/ 0.1FT 24
LAZARO CARDENAS MX 17.9N 102.2W 0646 0.20M/ 0.6FT 58
DART 43413 10.8N 100.1W 0558 0.07M/ 0.2FT 10
SANTACRUZ GALAPAGOS 0.7S 90.3W 0835 0.15M/ 0.5FT 20
ZIHUATANEJO MX 17.6N 101.6W 0627 0.21M/ 0.7FT 50
ACAJUTLA SV 13.6N 89.8W 0634 0.14M/ 0.5FT 30
BALTRA GALAPAGS EC 0.4S 90.3W 0806 0.17M/ 0.5FT 26
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
NEXT UPDATE AND ADDITIONAL INFORMATION
--------------------------------------
* THE NEXT MESSAGE WILL BE ISSUED IN ONE HOUR... OR SOONER IF
THE SITUATION WARRANTS.
* AUTHORITATIVE INFORMATION ABOUT THE EARTHQUAKE FROM THE U.S.
GEOLOGICAL SURVEY CAN BE FOUND ON THE INTERNET AT
EARTHQUAKE.USGS.GOV/EARTHQUAKES -ALL LOWER CASE-.
* FURTHER INFORMATION ABOUT THIS EVENT MAY BE FOUND AT
PTWC.WEATHER.GOV AND AT WWW.TSUNAMI.GOV.
* COASTAL REGIONS OF HAWAII... AMERICAN SAMOA... GUAM... AND
CNMI SHOULD REFER TO PACIFIC TSUNAMI WARNING CENTER MESSAGES
SPECIFICALLY FOR THOSE PLACES THAT CAN BE FOUND AT
PTWC.WEATHER.GOV.
* COASTAL REGIONS OF CALIFORNIA... OREGON... WASHINGTON...
BRITISH COLUMBIA AND ALASKA SHOULD ONLY REFER TO U.S.
NATIONAL TSUNAMI WARNING CENTER MESSAGES THAT CAN BE FOUND
AT NTWC.ARH.NOAA.GOV.
Last edited by Bob; 8th September 2017 at 15:04.
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8th September 2017 05:13
Link to Post #3