InSight's seismometer detected the first probable 'marsquake' in April 2019 on Mars.

NASA's Mars InSight lander has measured and recorded a faint seismic signal on 6 April 2019.

NASA's Mars InSight lander has measured and recorded a faint seismic signal on 6 April 2019.The faint rumble was picked up by the probe's sensors on the 128th Martian day as the lander placed the seismometer on the Mars surface on 19 December 2018. It is the first seismic signal detected on the surface of a planetary body other than the Earth and its Moon.

Scientists say the source for this Marsquake could either be movement in a crack inside the planet or the shaking from a meteorite impact.

The tweets by NASA JPL Media Relations Specialist and astrophysicist Ian J. O'Neill and NASA 360 also confirm that a tremor was detected in Mars in April 2019.

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