| Abstract |
A 5-week survey showed that seismic activity near Geothermal shallow depths, was confined part Field took place the eld within the t Belt, and occurred in swarms. No earthquakes occurred in the main production borefield, or an area of ground subsidence adjacent the borefield. It is concluded that no activity is associated with exploitation of the fields Wairakei area is broadly similar to that other parts of belt. suggested that for fields under steady- state operation there no seismic activity related directly to and exploitation does not affect any background, regional activity. |