SciBlogs

The Alpine Fault: Is New Zealand Prepared? (Post 1 of 2) Jesse Dykstra Nov 20

This post is the first of two articles which explore the potential impacts of the next great earthquake on the Alpine Fault, and consider how prepared New Zealand is for that event.  This builds on a previous post which describes the physical properties of the Alpine Fault in more detail. Improved Understanding of Earthquake Hazards in New Zealand One of the positive outcomes of the [...]

Typhoon Haiyan: how does it compare? Jesse Dykstra Nov 13

  The Guardians’ Ami Sedghi has written a nice blog comparing Typhoon Haiyan, which has caused devastating damage and loss of life in the Philippines over recent days, to historical tropical storms;  Haiyan has been widely reported in the media as one of the largest tropical storms in history. Ami has also clarified the use of varying names for tropical storms (e.g. typhoon, hurrican, [...]

Could Wellington be Next? Jesse Dykstra Jul 22

Recent Seismic Activity Beneath Cook Strait Over the past three days, earthquakes have been rattling central New Zealand, with the epicentres of many of the tremors between Seddon and Wellington. According to GNS, the largest earthquake had a magnitude of 6.5, and was located beneath Cook Strait at a depth of 17 km, some 55 [...]

Alpine Fault 101: Getting acquainted with New Zealand’s greatest natural hazard Jesse Dykstra May 28

The Alpine Fault will rupture in the near future (quite possibly in your lifetime), without any prior warning. When it does, the scale of the immediate disaster will be unprecedented in New Zealand, and secondary effects will probably continue for decades. The Canterbury earthquakes of 2010 and 2011 served a brutal reminder of how vulnerable [...]

Cruel Irony in EQC Privacy Breach: information on 83,000 claimants leaked Jesse Dykstra Mar 27

As widely reported in the media yesterday, details of EQC claimants and claims have been leaked in a privacy breach that effects 83,000 Christchurch households. That’s details of every claim between $10-100k, arising from the 4 September 2010 and 22 February 2011 earthquakes. The leaked spreadsheet included details of EQC repair cost estimates and associated [...]

Climate change complicit in scorching heat, bushfires, flooding and tornadoes of disastrous Australian summer Jesse Dykstra Jan 29

From a natural disaster perspective, Australia is having a much worse year than New Zealand, despite our apparent penchant for earthquakes, volcanic eruptions, flooding, and the occasional crippling winter storm on this side of the ditch. To date, the Insurance Council of Australia has officially declared three natural disasters in 2013 (the Tasmanian bush fires, [...]

Spectacular Footage of Yesterday’s Tongariro Eruption – Risk Remains High Jesse Dykstra Nov 22

A Geonet webcam at Mt. Tongariro has captured spectacular footage of yesterday’s eruption, which lasted approximately 5 minutes, ejecting an ash column and plume some 3-4 km above the Te Maari crater. There have not been any reports of injuries or damage, beyond a light dusting of ash falling near the volcano. The volcano burst [...]

Mount Tongariro eruption – sleeping giant awakens Jesse Dykstra Aug 07

Last night Mount Tongariro burst into life, erupting for the first time in over 100 years. The eruption raised the Geonet volcanic alert from level 1 to 2, with an accompanying aviation colour code of red. The Tongariro alert level had been upped to level 1 on 20th of July 2012, due to increased seismic [...]

Flooding and Landslides Pummel the top of the South Island Jesse Dykstra Dec 15

Rain-laden clouds from the north Tasman sea settled over the top of the south island several days ago, and have been drenching the Nelson and Golden Bay regions ever since. Extreme rainfall has been recorded in Takaka, Richmond and Nelson, with the Kotinga gauge at Takaka recordind an unprecedented 423mm in 24 hours. The estimated [...]

Flooded Hard-Drives and Hondas: Economic Implications of Thailands’ Latest Natural Disaster Jesse Dykstra Oct 28

Global Economic Hub Thailand is a global manufacturing hub, and a leading exporter of automobiles, electronics, textiles, clothing and food. Exports of goods and services accounting for approximately 70% of Thailands’ GDP in 2010. Tourism has largely recovered following the Indian Ocean tsunami (which claimed more the 5000 lives in Thailand), accounting for about 6% [...]

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