North Island, New Zealand
38.42 S, 176.08 E
summit elevation 1156 m
Calderas
The volcano is located between Lake Taupo and Rotorua.
Maroa caldera formed about 230,000 years ago.
Orakeikorako, Ngatamariki, Rotokaua, and Wairakei hydrothermal areas are associated with the volcano. The volcano has a history of large hydrothermal eruptions.
Puketarata lava domes
The volcano contains about 70 rhyolite lava domes. The most recent are the Puketarata lava domes which erupted about 14,000 years ago. Puketarata dome formation
was the source of a widespread pyroclastic deposit. The Puketarata domes and associated craters lie within a fault-angle depression between the
Puketarata and Whakaheke faults.
Puketarata tuff ring
Puketarata tuff ring is part of a NE-aligned, 4 km long line of five vents. The tuff ring is 1 km in diameter, and encloses a 450 m x 560 m wide, 80 m high lava dome.
2001 Hydrothermal Explosion
A hydrothermal explosion occurred at the Alum Lakes area, on 30th March 2001. The explosion destroyed vegetation near the crater.
180 AD?, 7050 BC?