Several significant earthquakes have occurred near the recent event . In 1932 , a magnitude 8.4 thrust earthquake struck about 100 km to the north-northwest . On 9 October 1995 , a magnitude 7.6 earthquake struck about 50 km to the northwest killing at least 49 people and leaving 1,000 homeless . The most deadly earthquake in the region occurred about 170 km to the south-east on 19 September 1985 . This magnitude 8.0 earthquake killed at least 9,500 people , injured about 30,000 , and left 100,000 people homeless
This magnitude 8.0 earthquake
1985 Mexico City earthquake
2003 Colima earthquake