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Topic: Pacific Tsunami Warning Center

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Tsunami warning system

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	Tsunami - MSN Encarta
		Tsunamis can be generated by an undersea earthquake, an undersea landslide, the eruption of an undersea volcano, or by the force of an asteroid crashing into the ocean.
		Both the Pacific Tsunami Warning Center and the ITIC are operated under the auspices of the United States National Oceanic and Atmospheric Administration (NOAA).
		The worst tsunami disaster in history occurred in December 2004 when a magnitude 9.0 undersea earthquake, centered in the Indian Ocean off the northwestern coast of the Indonesian island of Sumatra, generated a tsunami that struck the coasts of 14 countries from Southeast Asia to northeastern Africa.
	encarta.msn.com /encyclopedia_761559898/Tsunami.html (1163 words)

	Tsunami warning system - Wikipedia, the free encyclopedia
		International tsunami prediction for the Pacific Ocean and early warning is over-seen by the U.S. Pacific Tsunami Warning Center (PTWC) operated by NOAA in Ewa Beach, Hawaii.
		In response to the 2004 Indian Ocean Tsunami which killed almost 200,000 people, a United Nations conference was held in January 2005 in Kobe, Japan, and decided that as an initial step towards an International Early Warning Programme, the UN should establish an Indian Ocean Tsunami Warning System.
		All tsunami warning systems feature multiple lines of communications (such as e-mail, fax, radio and telex, often using hardened dedicated systems) enabling emergency messages to be sent to the emergency services and armed forces, as well to population alerting systems (eg sirens).
	en.wikipedia.org /wiki/Tsunami_warning_system (603 words)

	Pacific Tsunami Warning Center - Wikipedia, the free encyclopedia
		The Pacific Tsunami Warning Center (PTWC), operated by NOAA in Ewa Beach, Hawaii, USA, is a tsunami warning system, overseeing international tsunami prediction and issuing warnings for the Pacific Ocean area.
		This center was established in 1949, following the 1946 Aleutian Island earthquake and a tsunami that resulted in 165 casualties in Hawaii and Alaska.
		Beginning in 2005, as a result of heightened awareness due to the tsunamis caused by the 2004 Indian Ocean earthquake, plans were announced to add 32 more DART buoys to be operational by mid-2007.
	en.wikipedia.org /wiki/Pacific_Tsunami_Warning_Center (381 words)

	The Tsunami Warning System
		The Alaska Tsunami Warning Center ATWC) in Palmer, Alaska, serves as the regional Tsunami Warning Center for Alaska, British Columbia, Washington, Oregon, and California.
		The Pacific Tsunami Warning Center in Ewa Beach, Hawaii, serves as the regional Tsunami Warning Center for Hawaii and as a national/international warning center for tsunamis that pose a Pacific-wide threat.
		Tsunami watch, warning and information bulletins issued by PTWC and ATWC are disseminated to local, state, national and international users as well as the media.
	www.geophys.washington.edu /tsunami/general/warning/warning.html (606 words)

	Tidal Waves \| Pacific Tsunami Warning Center \| Hilo Hawaii Tsunami - PDC
		The phenomenon we call a tsunami (soo-NAH-mee) is a series of waves of extremely long wave length and long period, generated in a body of water by an impulsive disturbance that displaces the water such as an earthquake, landslide, or sub-marine volcanic eruption.
		Tsunamis are not caused by the tides, nor are they related to the tides, though a tsunami striking a coastal area is influenced by the tide level at the time of impact.
		Tsunamis are primarily associated with the occurrence of earthquakes in oceanic and coastal regions.
	www.pdc.org /iweb/tsunami.jsp (736 words)

	NOAA News Online (Story 2358)
		PTWC advises that based on the size of the earthquake and there being reports of tele-tsunami impacts in the Bay of Bengal, there is the potential threat of a damaging tsunami in the western Indian Ocean.
		PTWC issues a third tsunami information bulletin indicating small sea level fluctuations from the Indian Ocean tsunami are being observed in the Pacific Ocean, probably from tsunami energy that passed south of Australia.
		Pacific warning network is comprised of (1) hundreds of seismic stations worldwide; (2) coastal tide gauges and sophisticated Deep-ocean Assessment and Reporting of Tsunamis (DART) buoys in the Pacific Basin capable of detecting a centimeter's difference in ocean height.
	www.noaanews.noaa.gov /stories2004/s2358.htm (1371 words)

	USGS Photo Glossary: Tsunami
		Tsunami are sometimes referred to as "tidal waves" and "seismic sea waves." The term "tidal wave" is a misnomer.
		The impact of a tsunami upon a coastline is partially dependent upon the tidal level at the time it strikes, but it's generation is unrelated to ocean tides.
		Tsunami may go unnoticed by ships on the open ocean, but as they approach land and the water shallows, they can grow to great heights and rush far inland.
	volcanoes.usgs.gov /Products/Pglossary/tsunami.html (420 words)

	"TSUNAMI WARNING SYSTEM IN THE PACIFIC"
		When confirmation is received, the PTWC issues a tsunami warning, alerting warning system participants to the approach of a potentially destructive tsunami and repeating tsunami times of arrival for all locations.
		Tsunami Watches, Warnings, and Advisory Bulletins are disseminated throughout the to the Member States in accordance to procedures outlined in the Communications Plan for the Tsunami Warning System.
		Dissemination agencies in the participating Member States have the continuing responsibility for educating the public concerning the dangers of tsunamis and for developing safety measures that must be taken to avoid loss of life and to reduce property damage.
	www.wsspc.org /tsunami/HI/Tsunami_Warning_System/twsp02.html (518 words)

	Pacific Disaster Center Tsunami Warning System
		Although tsunami warnings were issued for Japan, Russia, Guam, and other neighboring Pacific islands, luckily, only a single series of the damaging waves were recorded and warnings subsided without additional disruption.
		Tsunamis are a concern because more people have died from tsunamis in Hawaii than from any other natural disaster including hurricanes, earthquakes, floods, and volcanic eruptions.
		On the morning of the earthquake, some emergency managers in Hawaii were notified of the tsunami potential from the distant earthquake within seconds of the tsunami bulletin being issued by the Pacific Tsunami Warning Center in Honolulu.
	www.pdc.org /PDCNewsWebArticles/2003Tsunami/index.html (543 words)

	THE PACIFIC TSUNAMI WARNING CENTER CORRECTLY ASSESSED THE 17, JULY 1998 PAPUA NEW GUINEA EARTHQUAKE
		PTWC is not in the position to provide tsunami warnings for locally generated tsunamis within close proximity to the earthquake source.
		PTWC functioned properly and correctly in assessing that the earthquake that generated the 17, July 1998, tsunami that struck Papua New Guinea did not generate a Pacific-wide tsunami and therefore was not of threat to other regions of the Pacific.
		Although a local warning system could not respond quickly enough to warn about a tsunami from a local earthquake in the immediate vicinity, the earthquake motion itself was a warning that a tsunami was on its way.
	www.drgeorgepc.com /Tsunami1998PNGPTWC.html (778 words)

	The Pacific Tsunami Museum FAQ
		Oceanographers often refer to tsunamis as seismic sea waves as they are usually the result of a sudden rise or fall of a section of the earth's crust under or near the ocean.
		When a seiche is generated by a tsunami, subsequent tsunami waves may arrive in unison with a seiche resulting in an increase in the drawdown in sea level and a dramatic increase in wave height.
		A Tsunami Watch is automatically declared by the warning center for any earthquake having a magnitude of 7.5 or larger on the Richter scale (7.0 or larger in the Aleutian Islands) and located in an area where a tsunami can be generated.
	www.tsunami.org /faq.html (3954 words)

	Tsunami Warning Systems
		With its central Pacific location, a history of local tsunami experience (particularly in Hilo on the Big Island) and with all the resources of the United States' technologically advanced society at its disposal, Hawai'i is the obvious place to locate a region-wide tsunami warning system.
		Indeed, it was the scientist on duty at the PTWC in Honolulu who issued that first fateful warning of the tsunami on Dec. 26 off the coast of Sumatra (Dec. 25 Hawai'i time).
		With the East-West Center in Honolulu, on the island of Oahu, as a partner, and in cooperation with Hawai'i's emergency management agencies, the PDC's mission is to provide information, research and analysis for hazard and disaster management and post-disaster humanitarian assistance to communities of the Asia Pacific region.
	www.rgsq.gil.com.au /tsunamiC.htm (844 words)

	Tsunami
		Tsunamis generated by undersea earthquakes just off the Oregon coast can strike the coast within five to thirty minutes, possibly disrupting power lines and communications and leaving little time for an official warning.
		There would be time for official warning, but if you are in an isolated area, you may not hear the official warning, you will feel no earthquake, and the only warning you may have is a sudden unexpected change in sea level.
		A tsunami is a series of sea waves usually caused by displacement of the ocean floor by an undersea earthquake.
	www.cooscountysheriff.com /tsunami.htm (1665 words)

	"TSUNAMI WARNING SYSTEM IN THE PACIFIC"
		As the tsunami crosses the deep ocean with speeds exceeding 1,000 km/hr, Its length from crest to crest may be a hundred kilometers or more, its height from trough to crest only a few centimeters or meters.
		As the tsunami enters the shoaling water of coastlines in its path, the velocity of its waves diminishes and wave height increases.
		PTWC is the Headquarters of the OPERATIONAL TSUNAMI WARNING SYSTEM which works closely with other regional national centers in monitoring seismological and tidal stations and instruments around the Pacific Ocean, to evaluate potentially tsunamigenic earthquakes.
	www.wsspc.org /tsunami/HI/Tsunami_Warning_System/twsp01.html (371 words)

	TSUNAMI WARNING PACIFIC - Eastern US Weather Forums
		A Tsunami Advisory is issued by the WCATWC whenever the Pacific Tsunami Warning Center in Ewa Beach, Hawaii has issued a warning for other regions in the Pacific Basin, and NO tsunami watch or warning is in effect for the states and provinces listed above.
		The rest of the Pacific including the US and even Australia have no watch or warning out, just an advisory to alert of the earthquake and minor rises, but no watch/warnings are expected.
		NOT a devastating Pacifc wide tsunami, but a tsunami surge, meaning when tide comes in, it is raised by the tiny surge, sometimes a foot.
	www.easternuswx.com /bb/index.php?showtopic=130786 (805 words)

	Tsunami Lessons: April 2005
		McCreery told me then that although the member states in the tsunami warning network generally don’t want media transmission of tsunami warnings into their territory, he could raise the issue at the Mauritius meeting as a way to speed warnings to populations in peril.
		I'm aware that the region is outside the Center's traditional area of responsibility; however, the tremendous loss of life seemingly calls for a policy review and change that would ensure the involvement of major international news media in the issuance of tsunami warnings to populations in peril many thousands of miles away.
		Given the fact that the major international news media can pass on tsunami warnings to their broadcast and cablecast consumers faster than any telephone tree involving government agencies (which is what the PTWC used on March 28), the existence of this restriction is indefensible and requires examination.
	tsunamilessons.blogspot.com /2005_04_01_tsunamilessons_archive.html (2814 words)

	Tsunami center vulnerable -- to tsunami - Pacific Business News (Honolulu): (Site not responding. Last check: 2007-10-11)
		The Pacific Tsunami Warning Center is itself located in a tsunami zone, and while it is slated to move, its management in Washington, D.C., wants to move it to another vulnerable locale.
		According to documents released Monday by PEER, the center would be located on an island that would have to be evacuated in a tsunami warning emergency if the parent agency, the National Oceanic and Atmospheric Administration, followed its own protocols.
		The Pacific Tsunami Warning Center, now located at Ewa Beach, is responsible for Hawaii and U.S. territories in the Pacific Ocean, the coastal populations of the Indian Ocean and the Caribbean Sea.
	www.bizjournals.com /pacific/stories/2006/06/12/daily6.html (718 words)

	Pacific Tsunami warning center had no means to alert for deadly waves
		Tsunamis are rare in the Indian Ocean, which has no system for detecting them and alerting those in danger, and scientists do not have the tools to tell when an earthquake has created one.
		The center was advising of sea level changes in Fiji, Chile and California measured in inches, the echo of a distant event that had sloshed through the straits that connect the oceans.
		The warning center continued to refine its estimate of the quake, eventually raising it to a magnitude of 9.0, which is 10 times more powerful than the initial estimate of 8.0, because the scale is logarithmic.
	mathaba.net /0_index.shtml?x=90908 (1394 words)

	Tsunami Warning tracker
		What we need is a tsunami warning system not just for parts of Asia, but for anywhere in the world that might be subject to such conditions.
		Most tsunamis begin with an earthquake, the severity and epicenter of which can tell a lot about whether a tsunami is likely, how strong it will be, and in what direction it is likely to go.
		But remember that what we care about here is not global tsunami warning but LOCAL tsunami warning (Is it going to hit MY beach?), so the required seismic data sources can pretty easily be limited to those with an uninterrupted aspect of the target beach, which means half a dozen seismographs, not 199.
	tsunamiwarning.blogspot.com (4602 words)

	Center proposes changing tsunami alerts - Boston.com
		Scientists at the Pacific Tsunami Warning Center want to loosen the requirements for issuing tsunami warnings when earthquakes hit near the Hawaiian Islands.
		The proposal calls for issuing a local tsunami alert for temblors as small as magnitude 6.7, said Victor Sardina, a geophysicist at the center, located in Ewa Beach.
		Currently, the warning criteria call for tsunami alerts for earthquakes that are magnitude 6.9 or greater.
	www.boston.com /news/nation/articles/2007/01/02/center_proposes_changing_tsunami_alerts (207 words)

	NOAA and Tsunamis
		The West Coast/Alaska Tsunami Warning Center in Palmer, Alaska, and the Richard H. Hagemeyer Pacific Tsunami Warning Center in Ewa Beach, Hawaii, are the operational centers of a vigilant 24-hour U.S. tsunami warning system for the Pacific Rim.
		Tsunami waves are distinguished from ordinary ocean waves by their great length between peaks, often exceeding 100 miles in the deep ocean, and by the long amount of time between these peaks, ranging from five minutes to an hour.
		Tsunami data is archived at the NOAA National Geophysical Data Center in Boulder, Colo. Visit http://www.ngdc.noaa.gov for additional information including photographs and slide sets.
	www.publicaffairs.noaa.gov /grounders/tsunamis.html (1159 words)

	Tsunami alerts lifted after quake - CNN.com
		Across the Pacific, all tsunami warnings and watches were canceled for the islands of Hawaii, as well as where they had been issued for the coastline of part of Washington state, British Columbia and Alaska, the Pacific Tsunami Warning Center said.
		According to the West Coast and Alaska Tsunami Warning Center, a division of the NOAA, a tsunami warning was issued for the Alaska coastal areas from Sand Point to Attu.
		"A tsunami warning means that all coastal residents in the warning area who are near the beach or in low-lying regions should move immediately inland to higher ground," NOAA said.
	edition.cnn.com /2006/WORLD/asiapcf/11/15/japan.tsunami/index.html (492 words)

	BBC NEWS \| Asia-Pacific \| Indonesia tsunami system 'not ready'
		The new Indian Ocean early warning system - proposed after the December 2004 tsunami which claimed 200,000 lives - was said by the UN to be "up and running" last month.
		While the new warning system had "functioned well" in terms of information reaching Indian Ocean governments, he said in a statement, the authorities had to ensure that messages "make the final mile to the people on the coast".
		Charles McCreary, director of the Pacific Tsunami Warning Center in Hawaii, told BBC News that, despite improvements in warning systems, basic safety messages had still not reached everyone.
	news.bbc.co.uk /2/hi/asia-pacific/5191190.stm (993 words)

	NOAA Home Page - Tsunamis
		Tsunamis are a series of very long waves generated by any rapid, large-scale disturbance of the sea.
		Tsunamis can cause great destruction and loss of life within minutes on shores near their source, and some tsunamis can cause destruction within hours across an entire ocean basin.
		NOAA and Tsunamis — NOAA has primary responsibility for providing tsunami warnings to the nation and a leadership role in tsunami observations and research.
	www.noaa.gov /tsunamis.html (508 words)

	info: Pacific_Ocean (Site not responding. Last check: 2007-10-11)
		Tsunami Early Warning System Tested by Nations in Pacific Ocean (Bloomberg.com)May 17 (Bloomberg) -- The U.S., Japan and 26 other nations in the Pacific Ocean are carrying out the first region-wide test of a tsunami early warning system, after an earthquake near Tonga earlier this month revealed weaknesses in the plan.
		First Test of New Tsunami Warning System (Scoop.co.nz)Hailing the success of a new region-wide Tsunami warning system in the Pacific Ocean, the head of the United Nations Educational, Scientific, and Cultural Organization (UNESCO) today congratulated the nations that took part in the coordinated effort.
		Tsunami warning system put to the test (MSNBC)Scientists test the Pacific Ocean's tsunami-warning system, sending alarms about imaginary earthquakes to more than 30 countries at risk for a disaster like the one in 2004.
	www.napoli-pizza.net /Pacific_Ocean.html (705 words)

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