Figure 1From: S-wave attenuation in northeastern Sonora, Mexico, near the faults that ruptured during the earthquake of 3 May 1887 Mw 7.5Tectonic map showing location of stations and earthquakes used. Black circles represent the events used for the attenuation study and triangles the recording stations. The stars represent centers of population. P (Pitáycachi), T (Teras), and O (Otates) are the faults that ruptured in the 1887 earthquake. Modified from Castro et al. (2010).Back to article page