1 December 2018
Researchers have come up with a new way of tracking elephants, via the vibrations that the animals make.
Scientists Dr Beth Mortimer and Prof Tarje Nissen-Meyer discovered that elephants generate vibrations through their normal movements and through vocalisations, known as "rumbles".
These can be measured by techniques usually used for studying earthquakes.
The Oxford academics spoke about their research at the TEDWomen conference currently under way in California.
They explained how they measured the seismic waves that could travel nearly four miles through the ground.
They recorded the vibrations generated by wild elephants in Kenya while walking and calling, using instruments known as geophones.
Seismological modelling software that incorporates the local geological information was combined with computer algorithms to produce accurate estimates of the seismic waves produced by elephants.
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