The National Seismological Service (SSN, for its acronym in Spanish), reported that up to now there have been 39 aftershocks from the earthquake that occurred on September 19 and 6,510 from the earthquake on September 7.
"Aftershocks until 7:30 am on October 5, 2017: 39 aftershocks of the Seismic M 7.1 Puebla-Morelos; 6510 aftershocks of the earthquake M 8.2 Gulf of Tehuantepec”, published in its Twitter account @SSNMexico.
https://twitter.com/SSNMexico/status/915918734577033219
According to the organism, when an earthquake of considerable magnitude occurs the rocks that are near the zone of rupture undergo . . .
