NASA’s InSight lander officially detects ‘marsquakes’ on Mars

A lander sits on the orangish surface of Mars.

An artist’s illustration of NASA’s InSight lander. | Image: NASA

NASA’s InSight lander has detected hundreds of “marsquakes” on Mars, including about 20 tremors that were relatively significant. Compared to quakes here on Earth, the marsquakes were pretty puny, but the new data could provide planetary scientists with more information about the interior of Mars.

The initial results of the mission were published on Monday in the journals Nature Geoscience and Nature Communications. The lander, which touched down on Mars via supersonic parachute in 2018, detected its first possible marsquake in April 2019.

Many of the quakes that InSight detected were small enough that they probably wouldn’t be felt if they happened on Earth, Philippe Lognonné, principal investigator for one of the lander’s…

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