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Source of Largest ever Mars Quake Revealed

A spacecraft with a tripod structure on the surface of Mars, seen as an arid, desert-like landscape. The spacecraft has an arm-like probe that extends upwards, and two solar panels on either side, which stick out like wings.
An illustration of NASA’s InSight spacecraft with its instruments deployed on the Martian surface. Credits: NASA/JPL-Caltech.

A global team of scientists have announced the results of an unprecedented collaboration to search for the source of the largest ever seismic event recorded on Mars. The study, led by the University of Oxford, rules out a meteorite impact, suggesting instead that the quake was the result of enormous tectonic forces within Mars’ crust.

The quake, which had a magnitude of 4.7 and caused vibrations to reverberate through the planet for at least six hours, was recorded by NASA’s InSight lander on May 4 2022...

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