- © 1999 by the Seismological Society of America
On June 15, 1999, at 15:42 PM local time (20:42 GMT), an earthquake of 6.7 Mw occurred near the city of Tehuádn in the state of Puebla, México, causing fourteen deaths, more than 200 injuries, major damage to rural housing, and extensive damage to many historical and religious buildings, some of them dating from the XVIth century. On June 19, the authors organized a team to survey the damage zone in order to estimate the intensity distribution of the earthquake.
The hypocenter was located at 18.20°N, 97.47°W, at a depth of 92 km, according to the Servicio Sismológico Nacional (SSN). The USGS reported 18.41°N, 97.34°W, at 79.60 km. SISMEX reported 18.30°N, 97.60°W, at 40 km. The three locations are shown on the map of intensities in Figure 1. There was consensus about the 6.7 Mw. Several aftershocks occurred the same day, the biggest with 4.5 Mw at...