Thermal control of the seismogenic zone of southern central Chile

  title={Thermal control of the seismogenic zone of southern central Chile},
  author={David V{\"o}lker and Ingo Grevemeyer and Michael Stipp and Kelin Wang and Jiangheng He},
[1] We developed thermal models for the Chile subduction zone along two profiles at 38.2°S and 42°S within the rupture area of the 1960 M = 9.5 Valdivia earthquake and south of the 2010 M = 8.8 Maule earthquake. The age difference of the subducting Nazca Plate has a major impact on the thermal regime, being much younger and hotter in the south. Seafloor heat flow observations confirm this difference but also indicate that in the southern area, heat advection at the outer rise cools the incoming… CONTINUE READING
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