Volcanoes of the Waikato

Active volcanoes in Aotearoa/NZ are found in the Taupō Volcanic Zone (TVZ), and result from subduction at the plate boundary. About 2.5 million years ago (MYA) when the TVZ was just beginning to form, magma created by this plate boundary was being erupted further to the west in the central Waikato region.

Read More

Tonga eruption update

On January 12, 2022, at 4.47 pm, the Hunga Tonga – Hunga Ha’apai (HTHH) volcano erupted violently for 11 hours. This was the biggest eruption seen worldwide in 140 years, and the first with such a wide array of measuring instruments available. Scientists have pored over the data and now have a better understanding of the processes involved. NZASE’s Mike Stone adds to last year’s article with what we now know.

Read More