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[1] We use seismic and geodetic data both jointly and separately to constrain coseismic slip from the 12 November 1996 Mw 7.7 and 23 June 2001 Mw 8.5 southern Peru subduction zone earthquakes, as well as two large aftershocks following the 2001 earthquake on 26 June and 7 July 2001. We use all available data in our inversions: GPS, interferometric synthetic(More)
A great earthquake (surface-wave magnitude, 7.8) occurred along the coast of central Chile on 3 March 1985, causing heavy damage to coastal towns. Intense foreshock activity near the epicenter of the main shock occurred for 11 days before the earthquake. The aftershocks of the 1985 earthquake define a rupture area of 170 by 110 square kilometers. The(More)
The Central Andes are the Earth's highest mountain belt formed by ocean-continent collision. Most of this uplift is thought to have occurred in the past 20 Myr, owing mainly to thickening of the continental crust, dominated by tectonic shortening. Here we use P-to-S (compressional-to-shear) converted teleseismic waves observed on several temporary networks(More)
Data from two microseismic field experiments in northern Chile revealed an elongated cluster of earthquakes in the subducted Nazca plate at a depth of about 100 kilometers in which down-dip tensional events were consistently shallower than a family of compressional earthquakes. This double seismic zone shows a distribution of stresses of opposite polarity(More)
M. Béjar-Pizarro,1,2 D. Carrizo,1,3 A. Socquet,1 R. Armijo,1 S. Barrientos,3∗ F. Bondoux,4∗ S. Bonvalot,4∗ J. Campos,3∗ D. Comte,3∗ J. B. de Chabalier,1∗ O. Charade,5∗ A. Delorme,1∗ G. Gabalda,4∗ J. Galetzka,6∗ J. Genrich,6∗ A. Nercessian,1∗ M. Olcay,7∗ F. Ortega,6∗ I. Ortega,3∗ D. Remy,4∗ J. C. Ruegg,1∗ M. Simons,6∗ C. Valderas3∗ and C. Vigny8∗ 1Institut(More)
[1] The 27 February 2010 Maule, Chile (Mw=8.8) earthquake is one of the best instrumentally observed subduction zone megathrust events. Here we present locations, magnitudes and cumulative equivalent moment of the first 2 months of aftershocks, recorded on a temporary network deployed within 2 weeks of the occurrence of the mainshock. Using(More)
[1] Understanding the processes behind subduction-related hazards is an important responsibility and major challenge for the Earth sciences. Few areas demonstrate this as clearly as south-central Chile, where some of the largest earthquakes in human history have occurred. We present the first observation of local seismicity in the Villarrica region (39 –40(More)
The 1943 Illapel seismic gap, central Chile (30–32BS), was partially reactivated in 1997–1998 by two distinct seismic clusters. On July 1997, a swarm of offshore earthquakes occurred on the northern part of the gap, along the coupled zone between Nazca and South American plates. Most of the focal mechanisms computed for these earthquakes show thrust(More)
  • Diana Comte
  • Planned Parenthood in Europe regional information…
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Sex education in French schools is governed by a 1973 circular which distinguishes between sex information (included "routinely" and "naturally" in 5th and 6th grade curricula, and 4 hours annually allocated for Grade 3) and sex education (awareness ¿ of responsibility which is left up to the parents).¿As the rol e of the educational system is examined,(More)
Javier A. Ruiz,1 Gavin P. Hayes,2 Daniel Carrizo,3 Hiroo Kanamori,4 Anne Socquet5 and Diana Comte1,3 1Department of Geophysics, Faculty of Physical and Mathematical Sciences, University of Chile, Santiago, Chile. E-mail: jruiz@dgf.uchile.cl 2U.S. Geological Survey National Earthquake Information Center, Golden, CO, USA 3Advanced Mining Technology Center,(More)
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