Breaking News

Study reveals greater tsunami risks for New Zealand

by Staff Reporter
11 February 2013 | 2094 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

Comments

News Updates via Email

Email:

News Updates via WhatsApp

Latest News

Uebert Angel buys wife Lamborghini for Valentines

by Staff Reporter | 10 February 2016 | 756 Views

Dokora must watch his steps - Mthwakazi Nation is really concerned abo...

by Siyabonga Ndiweni | 10 February 2016 | 1183 Views

Zanu propaganda can not decampaign ZAPU-Andrew Nyathi well done - The ...

by Sikhumbuzo Moyo | 10 February 2016 | 759 Views

'Welshman Ncube running MDC like a spaza shop'

by Staff reporter | 10 February 2016 | 1367 Views

Mnangagwa on the ropes - After a week in which the political pendulum ...

by Staff reporter | 10 February 2016 | 3322 Views

Chicken Inn ready for Peter Ndlovu's Mamelodi Sundowns - Zimbabwe's re...

by Staff reporter | 10 February 2016 | 1263 Views

Mugabe appeals for unity in Zanu-PF

by Staff reporter | 10 February 2016 | 2294 Views

Woman steals baby formula, shoves it between her thighs

by Moyo Roy | 10 February 2016 | 2991 Views

Jonas Savimbi's children challenge court to punish popular vedio game ...

by Staff Reporter | 10 February 2016 | 1407 Views

Mother exposes criminal son - A HERO mum helped the cops arrest her ow...

by Staff Reporter | 10 February 2016 | 1602 Views

Woman found buried alive - A FREE State woman, who was found buried al...

by Staff Reporter | 10 February 2016 | 1736 Views

Who Are Chicken Inn FC? - Mamelodi Sundowns asks - Zimbabwe current fo...

by Thobekile Zhou | 10 February 2016 | 1913 Views

Police now 'free' to violate law - Home Affairs Deputy Minister - Depu...

by Thobekile Zhou | 10 February 2016 | 2310 Views

Barclays fined $2.5 million for violating US economic sanctions on Zim...

by Staff reporter | 10 February 2016 | 1860 Views

Gardener forges payslip to avoid high maintenance - A Harare gardener ...

by Staff Reporter | 10 February 2016 | 1640 Views

Ordinary Level 2015 November Analysis

by Staff Reporter | 10 February 2016 | 2946 Views

'They want to kill my children,' says Grace Mugabe

by Thobekile Zhou | 10 February 2016 | 7455 Views

Jonathan Moyo must step down - petition

by Thobekile Zhou | 10 February 2016 | 4285 Views

Zanu-PF women tell Mnangagwa to stop behaving like a 'duck'

by Thobekile Zhou | 10 February 2016 | 3120 Views

'STEM programme should not be subjected to turf warfare' - Jonathan Moyo

by Thobekile Zhou | 10 February 2016 | 1496 Views

Security guard jumps to death from 7th floor over money - A Harare sec...

by Staff Reporter | 10 February 2016 | 2510 Views

Cuthbert Dube could pay all MPs from his pocket - Eddie Cross

by Thobekile Zhou | 10 February 2016 | 1724 Views

Zanu PF Politburo update - Thousands of supporters besiege HQ

by Thobekile Zhou | 10 February 2016 | 7808 Views

We are living a luxurious life - Zanu PF legislator

by Thobekile Zhou | 10 February 2016 | 4745 Views

'Big Sister' Mujuru Dictator on the Making

by Suitable Kajau | 10 February 2016 | 3051 Views

ZiFM Stereo hits back at Jonathan Moyo -  Privately owned ZiFM St...

by Staff Reporter | 10 February 2016 | 2588 Views

Chronicle offensive cartoon similar to spirit behind Gukurahundi genoc...

by Staff Reporter | 10 February 2016 | 2222 Views

Crunch Politburo indaba on today - TODAY'S eagerly-awaited Zanu-PF Pol...

by Felex Share | 10 February 2016 | 1336 Views

ZIMSEC shocker - Grades E, D now passes at O level

by Thobekile Zhou | 10 February 2016 | 13196 Views

Entertainment

Trevor Dongo's marriage collapses after 7 months

by Staff Reporter | 09 February 2016 | 5291 Views

1ns and 2s with DJ-Sticha - Business Advice for Aspiring Musicians

by DJ-Sticha | 08 February 2016 | 1163 Views

Double-decker bus blown up in London for 'The Foreigner'

by Staff Reporter | 07 February 2016 | 4237 Views

Every 12 hours a new artist is born into Zim's heavily contested gospel music industry

by Maxwell Teedzai Entertainment in Harare | 07 February 2016 | 1804 Views

Dog eat dog @ #NAMA2016 - THE sturdy list of nominees for the 15th edi...

by Prince Mushawevato | 07 February 2016 | 1108 Views

Bulawayo Music Awards appeal for support - The Bulawayo Music Awards h...

by Stephen Jakes | 05 February 2016 | 1394 Views
iBlog

Ios 9 Features Inspired By Android

apple announced ios 9 on monday, and while watching the keynote, i had just a little bit of déjà vu. most of ios 9's new features seem to be squarely aimed at apple's biggest rival in mobile: android. specifically, they were about catching up to ... Read More
Sergey 13 June 2015 ago

Greatsoftline For All Of Your Software Needs

coupon and promo codes: greatsoftline for all of your software needswhile some online sellers have promotional services that reduce the overall amount you spent, others do not .you need to be on the lookout for the best outlets in order to chase th... Read More
ITnews 25 February 2015 ago