2016 Kaikōura earthquake
Earthquake in New Zealand / From Wikipedia, the free encyclopedia
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The 2016 Kaikōura earthquake was a magnitude 7.8 (Mw) earthquake in the South Island of New Zealand that occurred two minutes after midnight on 14 November 2016 NZDT (11:02 on 13 November UTC).[2] Ruptures occurred on multiple faults and the earthquake has been described as the "most complex earthquake ever studied".[8] It has been subsequently modelled as having a megathrust component set off by an adjacent rupture on the Humps Fault.[9] It was also the second largest earthquake since European settlement.[10]
UTC time | 2016-11-13 11:02:56 |
---|---|
ISC event | 615035032 |
USGS-ANSS | ComCat |
Local date | 14 November 2016 (2016-11-14) |
Local time | 00:02:56 NZDT |
Duration | ~ 2 minutes[1] |
Magnitude | 7.8 Mw[2][3] |
Depth | 15.1 km (9.4 mi) |
Epicentre | 42.737°S 173.054°E / -42.737; 173.054 15 km (9.3 mi) north-east of Culverden |
Type | Oblique-slip |
Areas affected | New Zealand |
Max. intensity | MMI IX (Violent)[2] |
Peak acceleration | 3.23 g[4] |
Tsunami | 7 m (23 ft) |
Landslides | Yes |
Aftershocks | > 20,200[5] (as of 22 November 2017) |
Casualties | 2 dead[6] 57 injured[7] |
The earthquake started at about 15 kilometres (9 mi) north-east of Culverden and 60 kilometres (37 mi) south-west of the tourist town of Kaikōura and at a depth of approximately 15 kilometres (9.3 miles).[3][11][12] The complex sequence of ruptures lasted for about two minutes.[1] The cumulative magnitude of the ruptures was 7.8, with the largest amount of that energy released far to the north of the epicentre.[13]
Over $2.2 billion in insurance claims were received.[14] There were two deaths, in Kaikōura and Mount Lyford.[6][15]