Kaikohe-Bay of Islands volcano is a volcanic field at the upper end of the Northland Peninsula about 190 km NNW of Auckland. It contains about 30 craters and vents, mainly basaltic cinder cones, small shield volcanoes and lava plateaus.
The last eruptions occurred about 1500 years ago and formed the 4 well-preserved scoria cones and lava flows at Te Puke. Hot springs occur at 3 locations, including near Lake Omapere, which was dammed by lava flows.
Introduction to Plate Tectonics: The Earth's upper, rigid layer is broken into several plates which are in constant motion to one another. Most earthquakes and volcanoes occur as result of these plate boundaries.
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