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Science Alert: Experts Respond

Link between earthquakes and tides? – Expert reaction

Sarah-Jane O'Connor posted in on September 13th, 2016.

Japanese researchers say they have found a link between high tide and large earthquakes, which could indicate a greater likelihood of earthquakes following the new or full moon. The researchers reconstructed the size of tidal stress from the two weeks prior to earthquakes of magnitude 5.5 or higher over the past 20 years and say large […]

East Cape earthquake and tsunami warning – Expert Q&A

Sarah-Jane O'Connor posted in on September 2nd, 2016.

An early morning earthquake off the coast of the East Cape rattled many from their beds and sparked a tsunami warning. The Science Media Centre asked GNS Science seismologist Dr John Ristau to answer some questions about earthquakes in the region. Please feel free to use this Q&A in your reporting. Dr John Ristau, seismologist, GNS […]

East Coast ‘quake and tsunami warning – In the News

Sarah-Jane O'Connor posted in on September 2nd, 2016.

An early morning earthquake off the coast of the East Cape was widely felt across the North Island and prompted a tsunami warning. The 7.1 magnitude earthquake, 125 kilometres north-east of Te Araroa and 22km deep hit at 4.37am. It has been followed by a series of aftershocks, the largest of which was magnitude 6.2 […]

GeoNet changed NZ earthquake science dramatically – Helen Anderson

Sarah-Jane O'Connor posted in on August 29th, 2016.

Cantabrians have former seismologist Dr Helen Anderson’s vote for the world’s best citizen seismologists, she writes in Fairfax’s science page, Catalyst. An excerpt (read in full): Before [GeoNet], seismologists like me only knew an earthquake had occurred when the “drum” needles started shaking and the telephone for the seismological observatory became jammed with calls. For […]

Italy quake: comparisons and contrasts with Christchurch – Expert reaction

Sarah-Jane O'Connor posted in on August 25th, 2016.

A magnitude 6.2 earthquake has struck the central Italian town of Amatrice, badly damaging the town and trapping people under rubble. At least six people are reported to have lost their lives so far. Dr Mark Quigley was a researcher and lecturer at the University of Canterbury when the 2010 and 2011 earthquakes struck Christchurch. […]

Japan 6.4 quake kills two, injures hundreds – In the News

John Kerr posted in on April 15th, 2016.

A 6.4 magnitude quake struck the Japanese island of Kyushu this morning (New Zealand time), killing at least two people and injuring hundreds more. There are reports of substantial building damage with dozens of houses collapsing in the shaking, BBC News reports. Although the quake was not as strong as the devastating magnitude 9 quake […]

Christchurch Valentine’s Day quake – In the News

John Kerr posted in on February 15th, 2016.

A magnitude 5.7 quake struck Christchurch just after 1pm yesterday. Strong shaking was reported and a cliff near Sumner partially collapsed sending up a large cloud of dust. Initial reports indicate the damage in the city has been minor and superficial. Selected coverage of the quakes includes: The Wireless: Why does this keep happening to […]

Tsunami warning in wake of Chile quake

John Kerr posted in on September 17th, 2015.

A magnitude-8.3 earthquake striking off the coast of Chile has lead to tsunami warnings around the Pacific, including New Zealand. The quake occurred near Valparaiso, Chile just before 11AM NZT today. The Ministry of Civil Defence & Emergency Management has issued a tsunami warning for East Cape, Chatham Islands, Coromandel, and Banks Peninsula. An alert […]

Is a megathrust quake around the corner? – Campbell Live

Laura Goodall posted in on May 20th, 2015.

Campbell Live’s Tristram Clayton and Whena Owen interviewed GNS scientists last night about the latest findings on central New Zealand’s ‘megathrust’ quake zone. We already know that New Zealand is earthquake-prone and that the Hikurangi Margin, where the Australian Plate pushes down on the Pacific Plate, is a hotspot. However scientists have now found evidence, after analysing sediment cores from […]

Megathrust quake research in the news

John Kerr posted in on May 19th, 2015.

New evidence of historic earthquakes under central New Zealand has received widespread media coverage this week. The two earthquakes took place within the last 1000 years, and one was accompanied by a tsunami, according to the study published in the Bulletin of the Seimological Society of America (BSSA). The study, led by GNS Science researchers, […]

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