A Rediscussion and Interpretation of Geodynamic Data Collected in the Last Decade in Northern Chile in View of the Recent Seismic Activity in Antofagasta
作者： Erwin Groten
DOI: 10.1007/978-3-662-03482-8_15
关键词: Geography 、 Bouguer anomaly 、 Earthquake prediction 、 Physical geography 、 Seismology 、 Interpretation (philosophy) 、 Seismic gap
摘要: The recent earthquake in Antofagasta (July 30, 1995; M = 7.6) led to a revival of the interpretation geodynamic data northern part Chile. It reconfirmed assumption geophysicists at Santiago that main earthquake-prone activity exists coastal Cordilleras spite active processes Western Cordillera. Our gravimetric results repeated observations over more than decade (1985–1995) reconfirm exactly this if it is presumed area around quiet two nearby earthquakes (Dec. 85/Jan. 86) Valparaiso and Mendoza (Argentina). Further gravity measurements planned for 1997, adding still scarce repeat GPS-results area, are outlined which will focus on between Iquique Arica besides some new reference Santiago, Puerto Montt, etc. Chile, particularly Iquique-Arica, interpreted as seismic gap area.
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