Professor Hrvoje Tkalčić is Head of Geophysics at the ANU Research School of Earth Sciences.

Professor Tkalčić uses seismology and mathematical geophysics tools to understand the internal workings of our planet.

His research interests include global observational seismology with a special interest in deep Earth structure and dynamics; the inner and outer core, the lowermost mantle, the interaction between the core and mantle; characterization of inhomogeneities and anisotropy in Earth.

He is also interested in the deployment of geophysical instruments in remote areas of Earth including oceans, installation of geophysical instruments on other planets, and planetary seismology.


Fields of expertise



Articles

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What is Earth’s inner core and why do scientists want to study it?

More than 5,000 kilometres beneath the surface is Earth’s inner core, a solid metallic ball, slightly smaller than…


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Earth’s fifth layer is a solid metallic ball in its innermost region

Data captured from seismic waves caused by earthquakes has shed new light on the deepest parts of Earth’s…

22 February 2023



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Scientists use deep planetary scan to confirm Martian core

Seismologists from The Australian National University (ANU) have developed a new method to scan the deep interior of…

28 October 2022



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Magma makes marsquakes rock Red Planet

Volcanic activity beneath the surface of Mars could be responsible for triggering repetitive marsquakes, which are similar to…


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Landmark voyage to help uncover Earth’s deep secrets

A team of Australian researchers are about to set off on a landmark voyage to discover more about the Earth beneath our oceans, and what…


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