Australian scientists embark on a journey to uncover the mysteries of earthquakes


Canberra: Researchers from the Australian National University (ANU) have embarked on a journey to unravel the mysteries of the Earth’s inner layers.

The ANU-led team will spend three weeks on November 10 to retrieve 27 seismometers from sea level near Macquarie Island in the Southern Ocean – an instrument that records ground motion during the earthquake, Xinhua news agency reported. Off on mission.

These instruments were deployed in October 2020 pointing towards the center of the Earth and are collecting data on extreme underwater earthquakes.

Researchers hope the data will help them better understand Earth’s inner layers.

“It is in an area where the Australian plate meets the Pacific plate, but it is not known to be an active subduction zone, so these earthquakes still exist,” Talsik, chief scientist at ANU’s Research School of Earth Sciences, told the media. is a mystery to us.

Scientifically speaking, the most exciting payoff of this project, according to Talsik, may be that it can help us connect the missing pieces to one of the biggest puzzles in plate tectonics, how subduction begins.

The Commonwealth Scientific and Industrial Research Organization (CSIRO) commissioned the New Zealand research vessel RV Tangaroa for a 24-day voyage.

Talsik said it could take up to six hours to retrieve a seismometer and two hours to climb back to the surface.

The instruments have been around Macquarie Island, an area in the Southern Ocean’s Furious Fifties latitudes noted for its extreme seas and weather.

The weather was often bad during the deployment of our equipment. We encountered strong winds and waves that forced us to hev-to or shelter in the lee of Macquarie Island for about 40 percent of our time in the study area.

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