1) Auckland volcanic field
Found on
https://www.crosswordclues.com/clue/pukewairiki
Pukewairiki is one of the volcanoes in the Auckland Volcanic Field. It has an explosion crater around 500 m wide, and tuff ring up to 30 m high, which has been eroded away on the south-western side. The northern side had a terrace eroded into at a time of higher sea-level during the Last Interglacial and thus the volcano is older than 130,000 yrs....
Found on
http://en.wikipedia.org/wiki/Pukewairiki
No exact match found.
