Here’s how olivine may trigger deep earthquakes
The mineral may shake things up by changing its identity at high pressure and temperature
![a rock that contains the yellow-green mineral olivine](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2022/09/092122_NO_deep-earthquakes_feat.jpg?fit=1030%2C580&ssl=1)
The transformation of olivine (the yellow-green mineral seen in this rock) into wadsleyite hundreds of kilometers underground may set off the deepest earthquakes ever recorded.
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