Motivations 3: Earth system services
The earth system provides many crucial services essential to the wealth and health of human society. It provides both the climate and the platform on which we live, the mineral, energy and groundwater resources on which we depend and increasingly a repository for our wastes. 
Motivations 2: Children of the revolution
As the children of the plate tectonic revolution, today’s geoscientists have grown up with a zeal to understand the basic workings of our planet. There are many remarkable testimonies to the success of plate tectonics including declining discovery rates of large mineral resources. 
Motivations 1: Lessons for an uncertain future
About 13,000 years ago, as their land was drowning, the last Vicmanians were confronted a terrible choice. Through human induced climate change we are now committing a similar fate. Unlike the Vicmanians, in foreseeing the future we can do something about it .
Imaging the full lithosphere with earthquake sources
When the seismic waves from a distant earthquake arrive in the vicinity of a seismic recording station they interact with the local structure and produce a variety of minor contributions accompanying the main arrival of a seismic phase.
Unusual geochemical signature in Arctic ocean floor basalts
Earth’s tectonic plates are constantly moving. Over millions of years new plates form at oceanic ridges, while others form mountains or even sink back in the mantle and disappear from the surface. The unique geochemical signature of sunken plates can be preserved and reappear in newly formed crust.
Probing the Australian-Pacific Plate Boundary (Pt 5: Underwater array observatory at the Macquarie Ridge)
Three and a half days after our departure from Hobart, we arrived in just northeast of the Macquarie island and instantly proceeded with swathing – mapping the ocean floor in the north-eastern quadrant, in lines parallel to the Macquarie ridge.
Rocky icebergs and deep anchors – new research on how planetary forces shape the Earth’s surface
A recent article in The Conversation by Simon Lamb from Victoria University of Wellington "uncovers the fundamental forces that control the Earth’s surface". They use Crust 1.0, ETOPO1, and the McKenzie and Priestley lithosphere model to compute their "Whole Layer Isostasy" model.
Advanced geodynamic models of giant earthquakes
Though giant earthquakes are disastrous, they provide essential information to investigate earthquake physics. Thyagarajulu Gollapalli, a PhD student jointly from Monash University and the Indian Institute of Technology, Bombay, discusses our present understanding of such big earthquakes.
Testing AuScope’s next-gen seismometers at Mt Stromlo
Recently, AuScope invested in a suite of Large-N or nodal seismometers, which are capable of recording seismic noise at local-, rather than regional-, scale, allowing seismologists to focus on imaging geological features like faults and aquifers.
From Antarctica to Australia: Mighty River’s Story Revealed
A group of researchers have traced a mighty Gondwana river back to its distant source - in the mountains of East Antarctica. They’ve been able to show that this colossal river flowed for over 200 million years, making it a candidate for one of the top ten longest-lived rivers in Earth’s history.