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Volcanic hazard from the Auckland Volcanic Field

Volcanic hazard from the Auckland Volcanic Field

Abstract The Auckland Volcanic Field, which last erupted ~600 years ago, is a late Quaternary monogenetic basaltic volcanic field of approximately 500 km2. A recent study (Leonard et al., 2017) has improved the accuracy of eruption dates for 23 of the eruptive centres. Previously only 12…

AGS4 NZ Electronic transfer of data

The concept of transferring geotechnical data between all industry parties in electronic format is widely used internationally. As computer technology has become an integral component of the geotechnical industry, producers and users of geotechnical information have adopted digital database systems to store, manage, analyse and present their data. Currently,…

A comparison of methods for measuring defect orientation from boreholes in weak rock

A comparison of methods for measuring defect orientation from boreholes in weak rock

The identification and characterisation of defects within a rock mass is a valuable tool when analysing potential and pre-existing slope instability as well as when assessing the stability and support requirements for tunnelling and underground structures. A good knowledge of rock defect data is extremely important to enable…