What is a tsunami?

TOKYO: A once-exotic word that has now entered the everyday lexicon, a tsunami refers to a shock of water that spreads through the sea, usually after a sub-sea floor quake.

A section of seabed is thrust up or driven down by violent movement of the Earth”s crust.

The rift displaces vast quantities of water that move as waves, able to cover enormous distances over open water, sometimes at the speed of a jet plane.

An 8.9-magnitude quake off Japan”s northern coast on Friday generated a 10-metre (33 feet) tsunami that picked up ships and dashed them into coastal towns.

Buildings and vehicles were carried away as the huge wall of water swept inland.

The word “tsunami” comes from the Japanese words for “harbour” and “wave”.

At their point of generation, tsunamis have a relatively small wave height, with peaks far apart.

As the waves approach the shore they are compressed by the shelving of the sea floor, reducing the distance between the peaks and vastly increasing the height.

To those on the shore, the first sign of something amiss can be the retreat of the sea, which is followed by the arrival of large waves.

“The sea was driven back, and its waters flowed away to such an extent that the deep seabed was laid bare and many kinds of sea creatures could be seen,” wrote Roman historian Ammianus Marcellus, awed at a tsunami that struck the then-thriving port of Alexandria in 365 AD.

“Huge masses of water flowed back when least expected, and now overwhelmed and killed many thousands of people… Some great ships were hurled by the fury of the waves onto the rooftops, and others were thrown up to two miles (three kilometres) from the shore.”

Several factors determine the height and destructiveness of a tsunami.

They include the size of the quake, the volume of displaced water, the topography of the sea floor as the waves race to the coast and whether there are natural obstacles that dampen the shock.

Destruction of protective mangroves and coral reefs and the building of homes or hotels on exposed beaches are fingered as leading causes of high death tolls from tsunamis.

Large quakes are the main drivers of tsunamis, but the phenomenon can also be sparked by other cataclysmic events, such as volcanic eruptions and even landslides.

In 1883, a volcano shattered the Pacific island of Krakatoa, causing a blast so loud that it could be heard 4,500 kilometres away, followed by a tsunami that killed some 30,000 people.

The tsunami of December 2004 in the Indian Ocean was caused by a monstrous 9.1-magnitude earthquake off the Indonesian island of Sumatra.

It released energy equivalent to 23,000 of the atomic bombs dropped on Hiroshima, according to the US trendpk.comlogical Survey (USGS). Some 220,000 people in 11 nations were killed, many of them thousands of kilometres from the epicentre.

The Pacific Ocean is particularly prone to earthquakes and therefore to tsunamis.

But research has found that, over the millennia, tsunamis have occurred in many parts of the world, including the Atlantic and Mediterranean. A global monitoring network, overseen by the UN, has been set in place to alert areas at risk.

Mavericks Rogue Wave

TrendPK.com Half Moon Bay in California – The Mavericks Surf Contest has never been on the beach for the participants or spectators.
Unexpected waves breaking on the shore on Saturday swept through dozens of onlookers on the perches on the man-made pier at the southern tip of the beach Mavericks.
Most minor injuries, but [...]

At least three killed in Dadu explosion

TrendPK.com KARACHI: An explosion ripped through a busy intersection in southern Pakistan on Sunday, killing three people in an area that has avoided much of the Taliban-led violence that has plagued the country.
Authorities were investigating the nature of the blast, which occurred in Dadu city in southern Sindh province, said local police [...]

Jersey Shore Episode 9 Online

Jersey Shore Episode 9 Online Tonight, get ready to watch the next episode 9 for the all new jersey shore, It has been very controversial that almost everyone cant wait to watch Jersey Shore Episode 9 online. For those who would want to check out the preview. we will find out what happens next in the Gang. Jersey Shore is a reality Tv. Find out how they Settle Dispute and blend in.

WE will be adding right below updated clips for the Jersey Shore Episode 9. unfortunately the Jersey Shore Episode 9 preview was asked to be removed. But we will try and have it back right here so that you guys can watch Jersey Shore Episode 9 online.

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Jersey Shore Episode 9 Online was first posted on January 22, 2010 at 7:15 pm.

Jersey Shore Reunion

Jersey Shore Reunion, Jersey Shore fans. Summer was fun but all good things must come to an end and tonight the series will wrap up as the gang of guidos and guidettes say goodbye after a summer of fist-pumping drama. In addition to the finale.
It appears there’s some major awkwardness among the cast, including one moment when Sammi actually gets up and walks off the set. The drama never ends!

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Jersey Shore Reunion was first posted on January 22, 2010 at 11:27 am.

Jersey Shore Episode 4 Online

Jersey Shore Episode 4 Online, Jersey Shore Season 1 Episode 1 “Premiere Episode” (Jersey Shore s01e01) airs on Thursday, December 3rd 2009 at 10:00 pm via MTV Network. Generally this series talks about grab your hair gel, wax that Cadillac and get those tattooed biceps ready to fist pump with the best this summer at the Jersey Shore. MTV’s newest docu-soap exposes one of the tri-state area’s most misunderstood species, the Guido. Our Guidos and Guidettes will move into the ultimate beach house rental and indulge in everything the Seaside Heights, New Jersey scene has to offer. Beach by day, dancing and partying all night. They will live, work, and rage together until the summer ends. There’s no spray tan too orange, no hair too spiked, and no bod too tight for this crew. Okay guys, if you like this series, don’t forget to watch this great Jersey Shore Season 1 Episode 1 on your TV network. Anyways, if you can watch this episode on your TV because your activity or something else, you can watch this episode from this blog.

As usual, Online streaming video for Jersey Shore Season 1 Episode 1 usually available few hours after original series aired on your TV network. And of course, If online streaming video available on internet, I will update this page as soon as possible so you can watch this episode from my blog for free.

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Jersey Shore Episode 4 Online was first posted on December 18, 2009 at 5:11 pm.

Jersey Shore Nickname

Latest news Jersey Shore Nickname Generator, jersey shore nicknames:Are you people familiar with the words guidos and guidettes? These are very popular terms now a days, thanks to MTV’s newest reality series Jersey Shore. Jersey Shore Nickname Generator is a tool that provides some awesome name. We noted in the previous show that Boston and New Jersey both have nickname.

While my friends Soumitra and Parthodeep got the name Connie Sopressata and Connie Mortadella respectively, as Jersey Shore nickname. Isn’t it interesting?

Wanna have a better nickname? Create your own with the “Jersey Shore Nickname Generator”. Just enter your name and click on ‘Guido Me!’.

Disclaimer: The generator only cycles through a few dozen nicknames.

Please let us know what interesting nickname you have got.

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Jersey Shore Nickname was first posted on December 16, 2009 at 5:19 pm.