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Whangaehu is a settlement in the Rangitikei District and Manawatū-Whanganui region of New Zealand's North Island.

Whangaehu is located near the mouth of the Whangaehu River, a large river flowing from for 135 kilometres (84 mi) the crater lake of Mount Ruapehu on the central plateau, southward to the South Taranaki Bight in the Tasman Sea. Water is diverted from the headwaters for the Tongariro Power Scheme.

History

Whangaehu was the site of a Māori settlement when Europeans began settling the nearby Whanganui River mouth at Whanganui in the mid-19th century. Nicholas Chevalier depicted the settlement in a sketch in December 1868, which is now in the Museum of New Zealand Te Papa Tongarewa.

Mount Ruapehu has erupted multiple times, causing sludge to flow down the river. In February 1862 James Coutts Crawford was given several old songs and various accounts of the taniwha in the river. Flooding was recorded following the 1889 and 1895 eruptions.

The sudden collapse of part of the Ruapehu crater wall on 24 December 1953 led to New Zealand's worst railway accident, the Tangiwai disaster. A lahar – a sudden surge of mud-laden water – swept down the river.

On 18 March 2007, the mountain crater lake burst, sending an estimated 1.29 billion cubic metres of water, mud, and sludge down the river. The Lahar was 50% bigger than the 1953 Lahar that caused the Tangiwai disaster, but the Ruapehu ERLAWS alarm was successfully activated preventing any accidents.

Education

Whangaehu School is a co-educational state primary school for Year 1 to 8 students, with a roll of 27 as of August 2024.

Notable people

• Vida Mary Katie MacLean (1881–1970), civilian and military nurse, hospital matron

Dame Tariana Turia

References

1. "Pūtiki pā". nzhistory.govt.nz. Ministry for Culture and Heritage. 2 April 2019.
2. Chevalier, Nicholas. "Whangaehu". tepapa.govt.nz. Museum of New Zealand Te Papa Tongarewa.
3. "Recollections of travel in New Zealand and Australia: Crawford, James Coutts". 10 March 2001. Retrieved 23 October 2013.
4. McSaveney, Eileen (12 June 2006). "Historic volcanic activity". Te Ara - the Encyclopedia of New Zealand. Ministry for Culture and Heritage.
5. Conly, Geoff (1991). Tragedy on the track : Tangiwai & other New Zealand railway accidents. Grantham House. ISBN 978-1-86934-008-7.
6. Wunderman, R (2007). "Report on Ruapehu (New Zealand) — March 2007". Bulletin of the Global Volcanism Network. 32 (3). Smithsonian Institution.
7. Becker, JS (2017). "Organisational Response to the 2007 Ruapehu Crater Lake Dam-Break Lahar in New Zealand: Use of Communication in Creating an Effective Response". Observing the volcano world: volcano crisis communication. Barcelona: Springer. pp. 253–269. ISBN 978-3-319-44095-8.
8. "Ministry of Education School Profile". educationcounts.govt.nz. Ministry of Education.
9. "Education Review Office Report". ero.govt.nz. Education Review Office.
10. Stevenson, Annette. "Vida Mary Katie MacLean". Dictionary of New Zealand Biography. Ministry for Culture and Heritage. Retrieved 23 April 2017.

40°00′29″S 175°10′05″E / 40.008075°S 175.168008°E / -40.008075; 175.168008

• Rangitikei District
• Populated places in Manawatū-Whanganui