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QuakeNZ: Detailed New Zealand Earthquake Loss Model

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New Zealand is located in a seismically active region, and earthquakes are a regular occurrence. The country experiences an average of 14,000 earthquakes per year, but most of these are too small to be felt. However, New Zealand has also experienced a number of major earthquakes in recent history, including the 2010–11 Canterbury earthquakes, which had a combined magnitude of 7.8.

The frequency and impact of earthquakes in New Zealand can vary depending on a number of factors, including the location of the earthquake, its magnitude, and the depth of the earthquake. Earthquakes that occur near major population centers are more likely to cause damage and loss of life. Earthquakes with a magnitude of 6.0 or greater can cause significant damage, while earthquakes with a magnitude of 7.0 or greater can be catastrophic.

The most destructive earthquake in New Zealand history was the 1855 Wairarapa earthquake, which had a magnitude of 8.2. The earthquake caused widespread damage in the Wairarapa region, killing over 2,000 people. The 2010–11 Canterbury earthquakes were the most recent major earthquakes to hit New Zealand. The earthquakes caused widespread damage in the Canterbury region, including the collapse of several buildings and the deaths of 185 people.

QuakeNZ Model Overview

QuakeNZ covers earthquake ground shaking and liquefaction damage throughout New Zealand. The model features a variable resolution grid that is as fine as 500 m in the populated regions. Each grid cell contains no more than 200 addresses. The liquefaction hazard is mapped at an even finer resolution of 16 m to capture the extremely localized risk related to soil type, distance to water, and slope.

QuakeNZ Features

Up-to-date View of the Hazard

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Location Level Intelligence

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One Click Portfolio Roll-up

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Who can utilise QuakeNZ?

Insurers/ReInsurers

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Banks

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Governments

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QuakeNZ Technical Specifications???

Hazard Resolution – Ground Shaking

Variable resolution, down to 500m

Hazard Resolution – Liquefaction

16m

Exposure Resolution

Location Address Level

Event Catalogue

50,000 years of stochastic earthquakes

Ground Shaking, Liquefaction and Exposure Parameters

Location, full acceleration demand spectrum, soil type, building construction type, building age, building height.

Line of Business

Residential / Commercial / Industrial

Business Interruption

Commercial / Industrial

Coverage

All Properties on mainland New Zealand

Learn More About QuakeNZ

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