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Figure F9. A. Map showing the epicenter and focal mechanism of the Chile M 8.8 earthquake on 27 February 2010. Focal mechanism was provided by and map was generated using GMT (Wessel and Smith, 1991) and the ETOPO1 data set (Amante and Eakins, 2008). B. Pore pressure transients caused by the arrival of longitudinal seismic waves from Maule earthquake. C. Arrival of the tsunami wave caused by Maule earthquake, which is visible as tremorlike signal in the pore pressure data. The period of the amplitudes is up to 10 min, as shown in the inset. Note that the tsunami arrived ~23.5 h after the earthquake struck. UTC = Universal Time Coordinated.

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