1985 Mexico City earthquake Ground shaking lasted more than five minutes in places along the coast and parts of Mexico City shook for three minutes, with an average shaking time of 3–4 minutes. It is estimated the movement along the fault was about three meters. The main tremor was foreshadowed by a quake of magnitude 5.2 on 28 May 1985, and was followed by two significant aftershocks: one on 20 September 1985 of magnitude 7.5 lasting thirteen seconds and the third occurring seven months later on 30 April 1986 with magnitude 7.0 lasting ten seconds. However, at least twelve other minor aftershocks were associated
FIS Ski Flying World Championships 1985 meters in 2nd round of official training. After that jump FIS introduced 191 meters rule to prevent hunting world record distances and which was in use from 1986-1994. FIS Ski Flying World Championships 1985 The FIS Ski Flying World Ski Championships 1985 took place in Planica, Yugoslavia for the record third time. Planica hosted the championships previously in 1972 and 1979. Defending champion was Klaus Ostwald from East Germany. And new champion became Matti Nykänen. There was no qualifying at the time, just official training on Friday March 15. On which three world records was set: one by Mike Holland