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GeoNet was founded in 2001 by GNS Science, the Earthquake Commission and Land Information New Zealand. [ 1 ] [ 5 ] [ 4 ] GeoNet was "relatively [obscure]" until the 2010 and 2011 Christchurch earthquakes occurred, when people started paying attention to the monitoring system. [ 5 ]
As a result, New Zealand has very stringent building regulations. The 1929 Murchison earthquake and 1931 Hawke's Bay earthquake led to the development of stricter building codes in New Zealand from 1935. [3] Quite early on, European settlers were faced with the reality of earthquakes in their new home.
The main magnitude 8.1 earthquake was preceded by a magnitude 7.4 foreshock [7] and followed by a magnitude 6.1 aftershock. [8] A separate, unrelated magnitude 7.3 earthquake occurred off the coast of the North Island of New Zealand, approximately 900 km to the south, several hours before the main quakes. [9]
A magnitude 6.1 earthquake has struck New Zealand, just one day after a devastating cyclone forced a state of emergency across much of the country.. The quake occurred under the Cook Strait ...
Jul. 16—Update: This story has been updated with a new article: 7.2 earthquake off Alaska Peninsula triggers brief tsunami warning, sending some residents to higher ground Update, 12:55 a.m ...
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see 2021 Larissa earthquake: 39.755 22.176 1 6.3 M w (USGS) Centred 9km west of Týrnavos, Greece, at a depth of 8.0km. [8] March 4, 2021 13:27 Off the east coast of the North Island of New Zealand -37.563 179.444 0 7.3 M w (USGS) Centred 174km NE of Gisborne, New Zealand, at a depth of 20.8km. [9] March 4, 2021 17:41 Kermadec Islands, New Zealand
The 2021 Kermadec Islands earthquake damaged some buildings and caused landslides on Raoul Island, [122] it also triggered a tsunami warning for New Zealand. [123] Tsunami heights have been around 35–40 cm (14–16 in) at East Cape and around 15–20 cm (5.9–7.9 in) at Great Barrier Island ; 64 cm (25 in) waves were reported in Norfolk ...