Tikitere Graben

Tikitere Graben
NASA image identifying the Tikitere Graben relative to the Rotorua Caldera. South of the lake that fills much of the apparently circular caldera is the town of Rotorua. The western portion of Lake Rotoiti is in the graben. The eastern portion of Lake Rotoiti contains eruption craters now filled with water.
Tikitere Graben is located in North Island
Tikitere Graben
Tikitere Graben
Floor elevation280 m (920 ft)[1]
Length15 km (9.3 mi) approximately
Width5 km (3.1 mi) approximately
Geology
Typeintra-rift garben
Age240,000 years
Geography
CountryNew Zealand
State/ProvinceBay of Plenty
Coordinates38°02′36″S 176°20′07″E / 38.043206°S 176.335238°E / -38.043206; 176.335238
RiverOhau Channel

The Tikitere Graben is a intra-rift graben in the North Island of New Zealand that contains the Ohau Channel, which drains Lake Rotorua into Lake Rotoiti with a minimal drop between the lakes.

  1. ^ Manville, V.; Hodgson, K. A.; Nairn, I. A. (2007). "A review of break‐out floods from volcanogenic lakes in New Zealand". New Zealand Journal of Geology and Geophysics. 50 (2): 131–150. doi:10.1080/00288300709509826. S2CID 129792354.