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Volcanic area as large as Europe discovered on Mars

Despite the fact that most of Mars' volcanic and tectonic activity occurred during its first 1.5 billion years, a new study published by Nature and led by the University of Arizona has identified what is considered an active mantle plume 4,000 kilometers in diameter.

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Explication of the sysmic activity This plume could explain the low but constant seismic activity, recently detected by the NASA InSight landing module that has been on Mars since 2018 and explores an area called Cerberus Fossae.