-10ºN

280ºE

-20ºN

290ºE

300ºE

310ºE

500 km

320ºE

Oudemans Catena

0ºN

Ganges Catena

Use slider to subtract Circular Craters from image leaving only features specific to the observed Periodoc Oscillation.

SARAVAN (Catena)

Main Curvatures

Image Source: HiRise Instrument on MRO (Mars Reconnaissance Orbiter) Orbit: Polar Projection: Planocentric Equatorial, distortion free. Contact:

VMOI Valles Marineris Observation Interface

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Crater Subtraction

Periodic Oscillation (in the flat plane): Formation of Oscillation: Unknown Candidate Seismic formation processes: L Wave, S Wave. (Seismic wave propagation origin unlikely due to the observed extreme amplitude >4,000 km).

Periodic Oscillation

270ºE

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Valles Marineris Periodic Oscillation

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