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One Full Year of Seismic Data Collected by Mars Insight Includes 500 Quakes

7 May 2021, 11:36 UTC
One Full Year of Seismic Data Collected by Mars Insight Includes 500 Quakes
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The English vocabulary has some words that only make sense from an Earth-bound perspective. Earthquake is one of those. Even in some science fiction and fantasy books, where the action takes place somewhere other than Earth, that team is used to denote the ground shaking. It’s therefore nice to see planetary scientists trying to expand the root word to other planets. Marsquakes are the most commonly studied, and now thanks to InSight scientists have collected a full year of data on Marsquakes for the first time.

Led by Savan Ceylan of ETH Zurich, the team presented their findings at the 2021 Annual Meeting of the Seismological Society of America. Data was collected from SEIS seismometer, an instrument on InSight that is physically touching the surface of Mars. It was extremely painstaking as Marsquake are generally much weaker than their Earthen cousins, with the maximum amplitude measuring 3.6 on the Richter scale.






Simulation of how a marsquake would more through the planet.credit: NASA / JPL – Caltech / ETH Zurch / Van Driel


Patterns were evident in the data as well. Marsquakes apparently come ...

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