Abstract

MIRANDA, S.; HERRADA, A.  and  SISTERNA, J.. A proposal for monitoring the present crustal mobility in Sierra Chica de Zonda (Eastern Precordillera of San Juan): Gravity measurements in a network. Rev. Asoc. Geol. Argent. [online]. 2006, vol.61, n.3, pp.444-448. ISSN 0004-4822.

In an attempt to obtain an interpretation of the observed temporal gravity changes related to crustal vertical motions, we describe a methodology using accurate gravity measurements within a fixed network. In Argentina, this is the first gravity survey measured in a network configuration for crustal monitoring studies at a local scale. The network contains the Sierra Chica de Zonda (San Juan Eastern Precordillera), a region of active tectonics. The main goal is to test a geophysical tool useful to quantify probable vertical ground deformations and/or subsurface mass changes associated with seismic activity.

Keywords : Monitoring; Crustal motions; Seismicity; Gravimetry.

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