North, Central American and Caribbean nations at the FIFA World Cup to be held in Colombia, However, the Colombian authorities eventually declared in November 1982 that they could not afford to host the World Cup under the terms that FIFA demanded because of economic concerns. Mexico was selected on 20 May 1983 as the replacement hosts, beating the bids of Canada and the United States (who eventually hosted the 1994 World Cup), and became the first nation to host two World Cups. The 1986 World Cup saw the appearance of the phenomenon dubbed the Mexican wave, which was popularised worldwide after featuring during the tournament. The North, Central American and Caribbean
1985 Mexico City earthquake their own frequencies of vibration. Those that are six to fifteen stories tall also vibrate at the 2.5-second cycle, making them act like tuning forks in the event of an earthquake. The low-frequency waves of an earthquake are amplified by the mud of the lakebed, which in turn, is amplified by the building itself. This causes these buildings to shake more violently than the earthquake proper as the earthquake progresses. Many of the older colonial buildings have survived hundreds of years on the lakebed simply because they are not tall enough to be affected by the resonance effect. The earthquake