The quake had a depth of 33km and was felt by almost 9000 people, mostly on the east coast from Gisborne and Napier to Christchurch, according to GeoNet. "My fastest ... does it in 12 minutes and that is running as fast as he can. It's a case of when, not if, a major tsunami hits the Hawke's Bay coast. As buildings began to disintegrate, many people fled outdoors into a lethal rain of chunks from ornate facades, parapets and cornices. Estimates have ranged from 12 to 50 minutes, but even on the higher range thousands will be unable to make it to high ground in time. Tsunamis five metres high could inundate Napier's town centre after a severe earthquake, new GNS Science modelling shows. Te Awa School Principal Tim Van Zyl said in a worst-case scenario not all students and teachers might make it to Napier Hill in time. "While we advise everyone to leave evacuation zones and follow their route to a safe location, we understand people may need to consider other options if they're not sure they'll be able to get out of the tsunami evacuation zone in time. This disturbance puzzled Lawson (1908), author of the comprehensive report of the earthquake, and Henry Reid, proponent of the elastic rebound … A year and a half later, there was a Magnitude 6.9 earthquake near Wairoa on 15 September 1932. Computer modelling has identified potential evacuation "choke points" in Napier after an earthquake. It comes after an offshore earthquake on Friday, which registered at magnitude 7.4 and struck 710km northeast of Gisborne. The town centre of Hastings was also destroyed by the earthquake. Yes, since ancient times, tsunami has impacted the east coast. The 1931 Hawke's Bay earthquake, also known as the Napier earthquake, occurred in New Zealand at 10:47 am on 3 February, killing 256, injuring thousands and devastating the Hawke's Bay region. With the possibility of 20,000 people squeezing onto the narrow streets of Napier Hill, leaving as many to be swept away, the Government is looking at developing building codes for special structures, which are common in Japan, for what is called vertical evacuation of people. Roofs caved in on buildings that had large open internal areas, such as churches, libraries and theatres. Historic evidence has NEW ZEALAND has been shaken by a powerful 7.4 magnitude earthquake, sparking fears of a tsunami, warn experts. 1931 Napier Main article: 1931 Hawke's Bay earthquake The earthquake triggered a landslip at Waikare which in turn caused a localised 15.3-metre tsunami. At 09:37 the first wave arrived at Napier with a height of 0.2 metres, followed by a surge of waves around the Ahuriri Harbour. The main … "So you can see that there is a problem that not everybody is going to easily get to high ground in time.". "The Ministry of Business, Innovation and Employment is currently developing New Zealand building guidance for vertical evacuation," Hawke's Bay Civil Defence Emergency Management Group Manager Ian Macdonald said. There they found that the sea had retreated far from the shoreline, and many feared a tsunami. If it's long or strong, get gone.". Shortly after the Great San Francisco earthquake of April 18, 1906, a sea level disturbance (tsunami) was recorded at the Presidio tide gauge station in San Francisco (the station is now located nearby at Ft. Point). A 7.4 magnitude earthquake has struck off the east coast of New Zealand early today and has been widely felt by thousands. "So far, based on the modelling, around about 15,000 would have difficulty in actually getting out of the evacuation zone in 20 minutes," GNS Science tsunami modeller William Power said. Video Journalist Hawke's Bay/Wairarapa, NZH Local Focus. Its epicentre was in the Kermadec Islands, a chain of about 80 volcanoes between the c… Watch how the tsunami happens after an earthquake deep in the sea, watch the speed of the waves .. A simple and informative illustration .. Captain Morgan at first thought there had been an explo… Although earthquakes were difficult to measure in those days, there were appropriately 150 aftershocks in the first 12 hours, and then 525 in the 14 days after the earthquake, including a powerful Magnitude 7.3 earthquake 10 days later. Civil Defence has said there is no tsunami risk. Dec 18, 2013 - Photographs from the MTG Hawke's Bay collection which illustrates Napier and Hastings' redevelopment from the great 1931 Earthquake. "If there is a multi-level, sturdy building on your evacuation route that you can access, you could choose to go up – look for reinforced concrete or structural steel buildings. "Our plan is to travel down Georges Drive up the Lucknow stairs. Depending on what time of day it hits, more than 15,000 might not make it to high ground in time. Buildings swayed violently, and their walls bulged and collapsed into the streets in avalanches of brick and masonry that crushed vehicles and people. Ursula talked about what causes tsunami. The sea had gone out – for good. I think the last word should be lower case, and it should include the date, since there have been very many Hawke's Bay earthquakes. There is a tsunami risk to Napier from the 8.8 earthquake that occurred near the coast of Central Chile at 1934NZDT on 27 February 2010. It remains New Zealand's deadliest natural disaster. The HMS Veronicahad just tied up in Napier’s inner harbour when the earthquake hit. A stock photo of a recording of an earthquake's seismic waves. A city forever changed. The occurrence of "New Zealand's most destructive single disaster" (Wright, 2001) was to change everything for the city of Napier, from its topography to its architecture and lifestyle (McGregor, 1998). Adding to the dangers of broken roads and fallen power lines is liquefaction, turning the school's run to high ground a wade through mud. The first major wave arrives in Napier about 20 minutes after the quake, peaking at 30-50 minutes. A full three days after the quake for example, a 90-year-old man who was buried in the earthquake rubble was finally dug out alive. Tsunami can occur if the sea floor moves, usually during an earthquake or landslide. A tanker at sea felt a violent vibration, and the seamen on board looked to the shore to see Napier covered by a cloud of rising dust. 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Centred 15 km north of Napier, it lasted for two and a half minutes and had a magnitude of 7.8 Ms. Civil Defence has said there is no tsunami risk. Like many cities in New Zealand, Napier is built on the coast. The Napier 'quake killed at least 256 people, and the city was largely destroyed first by the tremor and then by fire. There's a network of sirens to warn residents that a tsunami is imminent. "We know from what happened in Japan in the 2011 tsunami that a lot of people or parents perished coming towards the school, trying to come and get their children. While '"Napier earthquake" 1931' gets more Google hits than '"Hawke's Bay Earthquake" 1931', I agree the latter name makes more sense. Image 2 Westshore Embankment Road after 1931 Earthquake While records of tsunami impacting on Napier are limited, the city has experienced distal-source tsunami in "Japan has structures specifically designed for vertical evacuations, and the US has building standards for it, including foundations that are very deep and reinforced to a higher standard than most buildings, and an open ground-floor level to allow water to flow through. A good place to get sick: The swimming hole that's more of a sewer, Local Focus: Trelinnoe Park falls into passionate hands, The Hawke's Bay family who've packed up their lives to sail the world, Covid-19 community case: Expert calls for mass testing, How Kiwis' Google searches predicted 'reeferendum' result, Police apology: Cyclist alive after collision with car in Taupō, Covid-19: Community case left MIQ 11 days ago, 30 locations identified, Man caught riding on moving vehicle in Northland, UFC 257 live: Hooker v Chandler, McGregor v Poirier. 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