This list of natural disasters in New Zealand documents notable natural disasters and epidemics that have occurred in New Zealand since 1843. Of these natural disasters, the 1918 flu pandemic resulted in the highest loss of life with 8,600 deaths in New Zealand.[1][2]
A storm brought high winds, heavy rain, flooding, and slips to much of the North Island as well as the upper South Island. Manawatū-Whanganui and Wellington were particularly hard hit. Two people drowned in the sea in Wellington and one person is presumed to have drowned in the Marlborough Sounds.
On 3 June 2015, a low weather system brought heavy rain to the coastal Otago Region. South Dunedin experienced heavy flooding, which was exacerbated by the area's high water table and the breakdown of the Portobello pumping station. 1,200 homes and businesses were damaged by flood damage.[37][38]
COVID-19 leads to nationwide lockdowns in late March 2020 and August 2021 and an Auckland-wide lockdown in August 2020. Over a million people get infected.[44][45]
Torrential rain in mid-July 2021 led to flooding in the West Coast's Buller District, Tasman District, and Marlborough regions of the South Island, prompting evacuations of residents and state of emergency.[50][51][52] The extreme rain event of 15–18 July brought over 690mm (27in) of rain to parts of the West Coast Region in under 72 hours.[53]
A low-pressure system that migrated across the North Island from the Tasman Sea to off East Cape caused severe thunderstorms and extensive flooding in the Auckland and Gisborne regions. Five people were killed when their boat capsized off North Cape in the stormy weather.
A line of thunderstorms accompanied by gale-force winds passed across the North Island. A tornado in Levin caused extensive damage, while in Cambridge a woman was killed after a tree fell on her.
From 27 January to 2 February, catastrophic floods occurred in the Auckland, Northland and Waikato regions which resulted in states of emergency, with Auckland being the worst affected. NIWA reported a record breaking 160.6 millimetres (10in) of rainfall across the city in a span of 3 hours.[65]
From Sunday 12 February to Wednesday 15 February, Cyclone Gabrielle struck the North Island, resulting in significant damage and flooding, and a national state of emergency being declared, the third time in the nation's history.
Between Monday 10 April and Tuesday 11 April, four significant tornadoes struck. There was one in Tasman District, one in East Auckland, one in Paraparaumu, and one in Waitara, resulting in over 60 homes being damaged and 10 homes yellow stickered. Several people were injured.[66]
On Tuesday 9 May, a state of emergency was declared in Auckland after torrential rains caused severe flooding. There were also impacts in Northland, Waikato, and Bay of Plenty. A school student was swept away in floodwaters on a field trip to the Abbey Caves. Additionally a few days prior on Saturday 6 May parts of the upper South Island were evacuated due major flooding.[68]
Heavy rain on 21 September caused flooding in several places across the Southland and Otago regions including Gore and Queenstown. 100 homes were evacuated in Queenstown and Tuatapere's water treatment plant was damaged. A state of emergency was declared in the Southland Region.[73][74]
A wildfire broke out on 14 February, seven years and one day since the 2017 Port Hills fires. A state of emergency was declared, with evacuations of residential properties.[75]
Torrential rain leads to flooding in the East Coast regions, resulting in evacuations and local states of emergency being declared in Hastings and Wairoa.[77] 400 properties were flooded in Wairoa.[78] Wairoa sustained NZ$40 million worth of flood damage.[79]
Heavy rainfall leads to significant flooding and lanslides in the coastal Otago region.[81] States of emergency were declared by local authorities in Dunedin and the Clutha District on 3 and 4 October.[82][83] The flood event damaged 50 homes, businesses, farms, roads, water treatment plants in the coastal Otago region.[84][85][83]
A wildfire breaks out on 20 October and burns over 2,471 acres of the protected Whangamarino Wetland. Fire and Emergency New Zealand manages to contain the fire by 27 October.
On 9 November, Mayor of Westland Helen Lash declares a state of emergency in southern Westland after the region experienced 375 mm of rain in the past 24 hours.[89] Heavy rainfall had led to road closures including New Zealand State Highway 6 between Haast and Franz Josef, and homes being flooded in Haast.[90][91]
A wildfire breaks out at 4:25 am on 5 December, engulfing an area of 535 hectares. The fire had crossed State Highway 73, therefore requiring the closure of roads from Springfield to Arthur's Pass, whilst leaving State Highway 7 as the only road connecting Canterbury to the West Coast. By 8 December, the fire had engulfed nearly 1,000 hectares of land northwest of Springfield.
A tornado and severe storm hit Mangawhai and the surrounding areas at about 3 am on 26 January, causing two serious injuries, damage to about 50 properties and about 4700 homes to lose power. Mayor of KaiparaCraig Jepson confirmed the destruction of at least four homes.
A wildfire, caused by an electrical fault on the 30 January, burnt through 1,200 hectares of scrubland to the northeast of the Tiwai Point Aluminium Smelter. The fire took around 12 days to fully extinguish.
In response to heavy rainfall and flooding, a state of emergency was declared in the Selwyn District on 1 May 2025. The Banks peninsula was also cut off due to flooding.[97] That same day, strong winds, large tides and wet weather led the Wellington City Council to issue a red wind warning and encouraged residents in Ōwhiro Bay to evacuate.[98] In addition, all flights in and out of Wellington International Airport were cancelled due to strong winds.[99] Following torrential rain and flooding, a state of emergency was declared in Christchurch. Homes were also evacuated in the Selwyn District and Akaroa due to flooding.[98]
Severe wet weather affected the Tasman, Nelson and Marlborough Districts of New Zealand's South Island in late June 2025. On 26 June, a state of emergency was declared in the Wairau-Awatere Ward of Marlborough due to heavy rain and flooding.[101][102] By 27 June, another state of emergency was declared in Nelson and the Tasman due to heavy rain and flooding.[102][103] The wet weather caused serious flooding in Spring Creek and Motueka, displaced several residents in the Marlborough and Tasman Districts, and disrupted flights.[104][105]
On 5 September heavy winds hit the Wellington Region with some area reporting over 130km winds. A lighting strike hit a block of flats with no reported damage. Flights were cancelled.
On 22 October several fires occurred in Kaikōura leading to evacuations. Over 14 buildings have been destroyed in Kaikōura while several fires started in the Hawkes Bay region a day later.
High winds struck the southern part of the North Island, Hawkes Bay and large parts of the South Island on the 20th of October causing power outages and red weather warnings. Flights were canceled at Wellington airport before being resumed and some buildings were damaged in Wellington. A man was killed by a tree in Mount Victoria, Wellington
Severe winds struck the South Island on 23 October, in particular the Canterbury High Country and Marlborough Districts, with red warnings issued for Canterbury, Marlborough, Wellington, Invercargill and Stewart Island. Winds reached peak speeds of 230 km/h in Hanmer Springs, igniting a wildfire as well as causing damage to homes and businesses in the area. A roof was torn off in Wellington, while a truck was flipped on State Highway 73 west of Springfield, and a caravan was flipped in Culverden due to the high winds. A state of emergency was declared for the Canterbury region in anticipation of the event by Minister of Emergency Management Mark Mitchell as no mayors had been sworn in yet after the 2025 New Zealand local elections. The storm brought heavy rain with it, with flooding seen in areas like the Mackenzie Country. Flights were cancelled out of both Christchurch Airport and Wellington Airport. Power outages were felt across the South Island, especially in Marlborough and Canterbury with 90,000 households without power. Trees were ripped from the ground in many places across the country, and public transport across Wellington was disrupted. The West Coast was cut off and isolated after all main routes to the area were closed. Heavy rain in the headwaters of the Waimakariri River rose levels in the river by large amounts. The river was in high flood, and residents in Kairaki, Pines Beach, McLeans Island, Coutts Island and Templars Island were told to prepare for evacuations. The scale of the damage is yet to be known.[citation needed]
↑ Rice, Geoffrey. Black November: the 1918 influenza pandemic in New Zealand. Bryder, Linda (Second edition, revised and enlargeded.). Christchurch, N.Z. ISBN978-1-927145-91-3. OCLC960210402.
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