The Viking seismometry

Details The Viking seismometry The Viking seismometry

Apr 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981nasa.reptv....l&link_type=abstract

Final Report National Aeronautics and Space Administration, Washington, DC.

Mathematics

Probability

Mars (Planet), Planetary Quakes, Seismology, Viking 2 Spacecraft, Planetary Structure, Seismic Energy, Seismographs

Scientific paper

Efforts were made to determine the seismicity of Mars as well as define its internal structure by detecting vibrations generated by marsquakes and meteoroid impacts. The lack of marsquakes recognized in the Viking data made it impossible to make any direct inferences about the interior of Mars and only allowed the setting of upper bounds on the seismic activity of the planet. After obtaining more than 2100 hours worth of data during the quite periods at rates of one sample per second or higher, the Viking 2 seismometer was turned off as a consequence of a landing system failure. During the periods when adequate data were obtained, one event of possible seismic or meteoroid impact origin was recognized; however, there is a significant probability that this event was generated by a wind gust.

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