(From Dowrick, 1998) Liquefaction and associated lateral spreading during the 1987 M w 6.5 Edgecumbe earthquake caused severe damage within parts of the Whakatane township. The M5 6. No lives were lost. The 1987 Edgecumbe earthquake was by far the most expensive event during this period, resulting in $209 million in Earthquake Commission payouts, followed by the 1968 Inangahua earthquake, and landslide events during 2005. Abstract. The shock was centred on the town of Edgecumbe and occurred just after 1:42 pm. Earthquake Commission. Deaths were perhaps prevented by a foreshock of magnitude 4.9 seven minutes earlier, which caused many people to evacuate buildings. The earthquake was felt throughout much of northern New Zealand, and was centred just north of Edgecumbe, near Thornton. A shallow crustal earthquake of magnitude ML 6.3 occurred on March 2, 1987, at 01:42:34 UT, close to the town of Edgecumbe, North Island, New Zealand. The focal depth was estimated to … It was located in a more densely populated and more industrialised area than Inangahua, so that although its magnitude (M J of 6.3 was lower than that of the earlier earthquake (for which the most It measured 6.3 on the Richter magnitude scale and struck the Bay of Plenty region of New Zealand on 2 March 1987, just after 1.42 pm. Liquefaction primarily manifested proximal to the Whakatane River in areas underlain by recent fluvial and marine sediments. The earthquake was a major turning point in the history of Edgecumbe. On the afternoon of 2 March 1987 at 1.35 p.m, a magnitude 5.2 earthquake rocked the Bay of Plenty region. 6 Edgecumbe New Zealand earthquake of 2 March 1987 was the most damaging New Zealand earthquake since the 1931 Hawkes Bay event, with strong shaking with intensities up to Modified Mercalli IX (MM9). The Edgecumbe earthquake of 1987 was an earthquake measuring 6.3 on the Richter scale that struck the Bay of Plenty region of New Zealand on 2 March 1987 just after 1.42 pm, centred on the town of Edgecumbe.The earthquake was very shallow, being centred approximately 8 km from the Earth's surface. It was, with the exception of the Inangahua earthquake in 1968 , the most severe and damaging earthquake … Minutes later, at 1:42pm, a much stronger 6.3 magnitude quake centred between Matata and Edgecumbe struck. The focus of the earthquake was 8kn below the surface. The 1987 Edgecumbe earthquake measured 6.5 on the moment magnitude scale and struck the Bay of Plenty region of New Zealand on 2 March. The Edgecumbe earthquake has given rise to many informative studies. The Edgecumbe earthquake of 1987 March 2 caus~ more damage than any other shock in New Zealand smce the Inangahua earthquake of 1968. The Edgecumbe earthquake was the first in New Zealand since the 1968 Īnangahua quake to cause major damage. 1945/46-2004/05 in 2006 dollars. (From Dowrick and Rhoades, 1995) Figure 2: Probability of death in or beside URM and SSRC buildings as a function of MM intensity in New Zealand (SSRC = soft storey pre-code reinforced concrete). In No deaths, few injuries. >6000 minor injuries. It was one of the most damaging New Zealand's North Island has experienced in recent decades, with approximately 50% of the … at a shallow depth of approximately 8 km. BoP 2/03/1987 6.5 25 1987 Edgecumbe earthquake BoP 20/12/2007 6.6 2007 Gisborne earthquake – offshore, >$30M losses SL 15/07/2009 7.8 2009 Fiordland earthquake Cant 4/09/2010 7.1 2010 Darfield earthquake. The M6.5 event was soon named after the town. 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