2024-02-14 08:50:00
Researchers at the University of Toronto, led by scientist Erkan Gün, have made a remarkable discovery regarding Earth’s plate tectonics. In the study published in Geophysical Research Letters, they found numerous faults in the Pacific oceanic plate, suggesting that this plate is behaving differently than previously thought.
The discovery still needs to be validated by more research, but if confirmed, might redefine our understanding of how plate tectonics works. We currently believe that oceanic plates shift mainly at their subduction zones, where they sink beneath other plates.
However, the new study reveals something different. Researchers have identified deep cracks in the Pacific Plate, something unusual for oceanic plates. These cracks are hundreds of kilometers long and thousands of meters deep.
Gün and his team point out that this discovery suggests that submerged plates may be less solid than previously thought. To arrive at these results, scientists used complex computer models and data collected from four plateaus in the western Pacific Ocean, spanning regions from Japan to Hawaii and from New Zealand to Australia.
In a curious analogy, geologists have compared the Pacific Plate to a tablecloth pulled off a table. As it stretches, the most fragile areas are at greater risk of tearing. These faults may also be related to seismic and volcanic activities in these regions.
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