Whakarewarewa Thermal Activity - Yesterday and Today

Abstract

A recent re-survey of the 1 features in Whakarewarewa shows that changes in that activity have occurred since the previous scientific survey E.F. W. r and W. Hunter 1 Survey in To put these changes into perspective it has, however, been necessary to seek out information about the system and its features 1 before t h at first survey. In this paper we briefly discuss the Whakarewarewa system and the changes that have taken place over time. I n the first part of the paper w e brief l y the current ideas relating to ttie initial development of this thermal system and the reported change s that occurred up to about the of the Tarawera eruption The changes that occurred in the roughly year. period. following Tarawera are covered in the second section. During this man's activities w h n Wha rewa rewa have almost ce n 1y played a significant role in influencing change and some of these influences and changes are discussed. Many questions still in .