You could find out more about the major earthquakes in New Zealand and their impacts. This is the biggest known movement by a single earthquake to have been recorded anywhere in the world. Part of the nearby Rimutaka Range rose more than 6 metres. Where the movement was greatest, the land shifted across more than 18 metres along the fault. During this magnitude 8.2 earthquake, land moved along at least 140km of the Wairarapa Fault. The most powerful New Zealand earthquake in recent history occurred in the Wairarapa in 1855. Another earthquake in 1839 uplifted river boulders. These landslides caused a backwash in the river that left canoes stranded high up on the cliffs. During the 1838 earthquake there were huge landslides into the river. Māori also spoke of two earthquakes along the Whanganui River in the 1830s. It was said that at Rotorua a pā with about 1,000 people was swallowed up, and the area became a lake. They described two major earthquakes, at Taupō and Rotorua. Several accounts of earthquakes experienced by Māori were recorded by European writers. 4, 2010, caused severe structural damage in Christchurch, a city of 380,000 that is the largest on New. He is the god of earthquakes and volcanoes, and the rumblings that disturb the land are made by him as he walks about. The first of the two earthquakes a decade ago, a magnitude-7.1 convulsion on Sept. To keep him warm there he was given fire. When Papatūānuku was turned over, Rūaumoko was still at her side and was carried to the world below. New Zealand Earthquake Tsunami warnings ease after one of the strongest earthquakes in modern history hits New Zealand Tsunami warnings issued and thousands. Their sons resolved to turn their mother face downwards, so that she and Rangi would not see one another’s sorrow and grieve more. Rangi had been separated from Papa, and his tears had flooded the land. A decade ago, New Zealand experienced one of its deadliest earthquakes after a 6.3 quake was recorded in the South Island city of Christchurch killing 185 people. According to Māori tradition, earthquakes are caused by the god Rūaumoko (or Rūamoko), the son of Ranginui (the Sky) and his wife Papatūānuku (the Earth). Earthquakes in Māori traditionįor centuries before Europeans arrived, Māori had experienced rū whenua which means ‘the shaking of the land’. The S-wave (secondary or shear wave) follows more slowly, shaking the ground up and down at right angles to the direction of the P-wave. It forces the ground to move backwards and forwards as it is compressed and expanded (similar to the way sound waves move through air). The P-wave (primary or pressure wave) is a pulse of energy that travels quickly through the Earth and through liquids. The pulse of energy released by a fault movement radiates outwards as seismic waves, or shock waves. The place where a fault ruptures is called the focus or origin, and the point directly above on the Earth’s surface is called the epicentre. A small area and small movement creates a small earthquake. The strength of the earthquake depends on the area of fault that has shifted and the amount of movement. This sudden release of energy sends out waves, which are felt on the surface as an earthquake. Sometimes the blocks of rock on either side of a fault suddenly shift to a new position in just a few seconds. Shallow earthquakes usually break to the surface to create faults.
You can find out more about earthquakes in New Zealand on the GeoNet website. Scientists do not know exactly how many faults there are as they are not always visible.
Many of New Zealand's active faults have been mapped.
#New zealand quake crack
If the crack or fracture reaches the surface, it is called a fault. Stresses cause the rocks to break and create cracks. Most earthquakes are too small to be noticed, but between 150 and 200 are large enough to be felt.Įarthquakes occur most often where two moving plates meet and press against each other, as they do in New Zealand. Approximately 14-15,000 occur in and around the country each year. ”My wife, our two kids, and I quickly gathered under a doorway and waited for the shaking to subside.Earthquakes happen every day in New Zealand. “It was like a freight train hurtling past our house,” said David Haxton, who lives in Raumati Beach, of the first quake. “At the Antman preview screening in Wellington, (an) earthquake just hit and like a third of the theatre is like nah we’re outta here,” she said. One woman at a preview screening of the upcoming Antman movie, said a third of the theatre fled when the earthquake struck. A steady rumble reportedly followed afterwards. People in Wellington told the NZ Herald there was a “big bump” before homes started shaking “aggressively for about 30 seconds, before swaying”. Kia kaha ⥠/jVpXdaffjk- GeoNet February 15, 2023 Remember, drop, cover hold in the event of aftershocks. A M6.1 earthquake caused a long and strong shake felt widely across the North Island and Marlborough region.
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