Ash Hill, New Zealand
Ash Hill is a volcano in Wiri, in the Auckland volcanic field, in New Zealand. A low tuff cone with an explosion crater about 150m wide, it is now covered by industrial development. It peaked at roughly 30 metres above sea level (approximately 8 metres higher than the surrounding land).
| Ash Hill | |
|---|---|
 Likely one of few clear remains of Ash Hill, as viewed from Ash Road. | |
| Highest point | |
| Elevation | 30 m (98 ft)(before subdivision) |
| Isolation | 8 km (5.0 mi)  |
| Coordinates | 37.002754°S 174.867545°E |
| Geography | |
| Location | Wiri, North Island, New Zealand |
| Geology | |
| Age of rock | 31,800 years[1] |
| Volcanic field | Auckland volcanic field |
Ash Hill was named after nearby Ash Road by Searle. Ash Road was named after ash trees, not volcanic ash. Radiocarbon dating gave Ash Hill the age of 31,800 +/- 159 calendar years BP, a similar age to nearby Wiri Mountain.[1]
A piece of Ash Hill, viewed from Oak Road.
A view across present day Ash Hill.
A view of part of Ash Hill before obscuring buildings were removed.
References
- City of Volcanoes: A geology of Auckland - Searle, Ernest J.; revised by Mayhill, R.D.; Longman Paul, 1981. First published 1964. ISBN 0-582-71784-1.
- Volcanoes of Auckland: A Field Guide. Hayward, B.W.; Auckland University Press, 2019, 335 pp. ISBN 0-582-71784-1.
- Hopkins, Jenni L.; Smid, Elaine R.; Eccles, Jennifer D.; Hayes, Josh L.; Hayward, Bruce W.; McGee, Lucy E.; van Wijk, Kasper; Wilson, Thomas M.; Cronin, Shane J.; Leonard, Graham S.; Lindsay, Jan M.; Németh, Karoly; Smith, Ian E. M. (3 July 2021). "Auckland Volcanic Field magmatism, volcanism, and hazard: a review". New Zealand Journal of Geology and Geophysics. 64 (2–3): 213–234. doi:10.1080/00288306.2020.1736102.
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