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‘Marsquakes’ reveal red planet’s hidden geology
San Francisco, California
The marsquakes are coming fast and furious. From its landing site near the Martian equator, NASA’s InSight mission is detecting about two quakes per day — and the rate is going up.
“We have a lot,” said Bruce Banerdt, a geophysicist at the Jet Propulsion Laboratory in Pasadena, California, and InSight’s principal investigator. He reported the findings on 12 December at a meeting of the American Geophysical Union in San Francisco.