Breaking News

Study reveals greater tsunami risks for New Zealand

by Staff Reporter
11 February 2013 | 2498 Views
New Zealand needs to prepare for a tsunami like the one that devastated Japan in 2011, a New Zealand geologist warned Friday, after an international project found the tectonic plates on the fault line near Japan were weaker than expected.

University of Otago scientist Dr Virginia Toy represented an Australia-New Zealand ocean drilling consortium in the Japan project, which drilled into the subduction fault that slipped in 2011, generating a magnitude 9 earthquake and a tsunami that hit the Sendai coast.

The aim was to sample the fault materials and make measurements related to the frictional strength of the fault surface, to help understand why there was such a large displacement, Toy said in a statement.

The researchers found there was near total release of stress in the crust in the wedge materials above the fault plane when the 2011 earthquake occurred.

"This is significant because most earthquake faults only release a small portion (typically 10 percent) of the stress in the crust around them, not nearly 100 percent as in this case," she said.

"Also, such a high proportion of stress was probably released because the fault materials were particularly frictionally weak or slippery."

The results suggested that subduction zone faults in other locations, including around New Zealand, needed to be more carefully examined.

New Zealand had so much of its coastline exposed to the Pacific Ocean, which was ringed by subduction zones, such as the Tonga- Kermadec, Hikurangi and Chile zones.




"If the materials in the fault planes are similar to those in the Japan Trench, it is likely they will also be very frictionally weak and therefore that we can also expect very large seafloor displacements when they slip," she said.

"It means that we should be prepared for other similar subduction zones to generate very large tsunami."

Study tsunami

Source: Xinhua

Do you agree that foreskins of circumcised men could be used for witchcraft?

Yes
53.43%
No
15.2%
Hogwash
31.37%
204

Comments

News Updates

Email:

Latest News

Accident waiting to happen, BCC do something - WhatsApp updatye

by Concerned Citizen | 24 July 2014 | 151 Views

What's the farce about Tsvangirai UK trip - Quite puzzling is the exci...

by Gugugu Magorira | 24 July 2014 | 195 Views

Use Right To Demonstrate Productively and Focus on the Dictatorship - ...

by Makusha Mugabe, Information and Publicity Secretary - MDC UK Midlands North | 24 July 2014 | 169 Views

'Zim banks have no capacity to fund mines,' says BAZ - THE banking sec...

by Oliver Kazunga | 24 July 2014 | 171 Views

Murderer gets a wholly suspended sentence for poisoning his son - A 25...

by Staff reporter | 24 July 2014 | 878 Views

Mnangagwa backs harsh minimum mandatory sentence for rapists - Justice...

by Staff reporter | 24 July 2014 | 770 Views

Finally, Chingoka quits Zimbabwe Cricket - In what most people would w...

by Staff Reporter | 24 July 2014 | 1894 Views

Chaos at Renkini bus terminus - WhatsApp update - 11:44am, 24 Jul - ...

by Concerned citizen | 24 July 2014 | 3917 Views

MDC-T Joburg District endorses Tsvangirai and Khupe - Press release 2...

by Lft Gen Simbarashe Mujeye | 24 July 2014 | 1495 Views

Why Zimbabwe has failed - The promise by ZANU (PF) to empower and deve...

by Vince Musewe | 24 July 2014 | 1315 Views

Newly appointed Zimpapers editor dies - Newly appointed Zimpapers and ...

by Staff Reporter | 24 July 2014 | 4812 Views

Scientists 'delete' HIV from human cells - Once HIV conquers a human c...

by Staff reporter | 24 July 2014 | 4142 Views

'Thieving goblin raping man and ruining his business' - Apparently a t...

by Staff reporter | 24 July 2014 | 2435 Views

'Robert Mugabe out of touch,' says Chamisa

by Staff reporter | 24 July 2014 | 2145 Views

Tendai Biti wants rand to replace US dollar

by Staff reporter | 24 July 2014 | 3465 Views

Zimbabwe diamonds stolen in Dubai - A parcel of Zimbabwe diamonds wort...

by Staff reporter | 24 July 2014 | 1916 Views

UK demo awaits Tsvangirai

by Staff reporter | 24 July 2014 | 1626 Views

Baba Jukwa saga, police summon Jonathan Moyo

by Staff reporter | 24 July 2014 | 3561 Views

Mugabe can sue if hurt

by Staff reporter | 24 July 2014 | 1729 Views

Zanu-PF war looms - ZANU-PF yesterday said the posts of second vice-pr...

by Staff reporter | 24 July 2014 | 1891 Views

Prophets drags NewsDay to court, demands $20 million - PROPHETIC Heali...

by Staff reporter | 24 July 2014 | 1709 Views

Muchechetere case takes another twist - Fungai LupandeSuspended Zimbab...

by Staff reporter | 24 July 2014 | 1587 Views

Grace Mugabe turns 49

by Peter Matambanadzo | 24 July 2014 | 2465 Views

We bring you Auntie Noe and Bhudi Muzi - Following several requests an...

by Features Editor | 24 July 2014 | 1477 Views

'Zimbabwe ID passports,' Mudede speaks out - Registrar-GENERAL Mr Toba...

by Staff reporter | 24 July 2014 | 2284 Views

Journalist murdered - FREELANCE journalist Zeckius Nemadire was on Tue...

by Staff reporter | 24 July 2014 | 1472 Views

Entertainment

Carl Joshua Ncube to tour with brand new material - The brand new stan...

by Staff Reporter | 24 July 2014 | 446 Views

Macheso gears up for UK tours - In an apparent joint preparation for t...

by Entertainment reporters | 23 July 2014 | 1249 Views

DJ Munya is back - After a two-year hiatus, DJ Munya - real name Munya...

by Entertainment Reporter | 23 July 2014 | 2095 Views

White guy plays chitekete - https://www.youtube.com/watch?v=kp16XF-Tcf...

by Staff Reporter | 23 July 2014 | 3023 Views

Beyonce and Jay Z to separate - claims - Jay Z and Beyonce are reporte...

by Staff reporter | 22 July 2014 | 3292 Views

No talent is meant for the grave, Dr Nkomo Commemoration - The prepara...

by Nokutula Ncube | 22 July 2014 | 1010 Views

Miss Curvy dinner flops

by Yeukai Karengezeka | 21 July 2014 | 5133 Views

'He's going to be in trouble once I die' says DJ Cleo's father - 64-ye...

by Staff reporter | 20 July 2014 | 5601 Views