Tagged: tectonic plates

The earthquake that rattled Melbourne was among Australia’s biggest in half a century, but rock records reveal far mightier ones - News

Guest Author • Sep 23, 2021 •

• Australia,
• earthquakes,
• tectonic plates

Mark Quigley, The University of Melbourne and Januka Attanayake, The University of Melbourne   An earthquake that struck near Melbourne today is one of the largest in Australia since instrumental seismic records began. However, the geological record of ground-breaking fault ruptures tells us much larger earthquakes have occurred across the continent. Some of these earthquakes would have been witnessed … Read More

A map that fills a 500-million year gap in Earth’s history - Guest Work

Guest Author • Jul 10, 2017 •

• crust,
• Earth,
• geology,
• map,
• oceanic plates,
• tectonic plates,
• tectonics,
• world

Alan Collins, University of Adelaide and Andrew Merdith, University of Sydney Earth is estimated to be around 4.5 billion years old, with life first appearing around 3 billion years ago. To unravel this incredible history, scientists use a range of different techniques to determine when and where continents moved, how life evolved, how climate changed … Read More