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
Elevation30 m (98 ft)(before subdivision)
Coordinates37°00′10″S 174°52′03″E / 37.002754°S 174.867545°E / -37.002754; 174.867545
Geography
Map
LocationWiri, North Island, New Zealand
Geology
Rock age31,800 years[1]
Volcanic fieldAuckland 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]

References

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  • 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.
  1. ^ a b 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. hdl:2292/51323.