cnn producer nick parker is on the phone for us now. he was in mexico city, not that far from the epicenter, about how far, nick, are you from the epicenter in mexico city. >> it's around 200 kilometers approximately from the epicen r epicenter, about a four, four and a half-hour drive, and you know, it's something that was felt by most of the residents in mexico city from a relative distance from the epicenter of the quake. >> were you in a high-rise building? if so, how high were you? what did it feel like? and it was sort of on the hill. it was tense. the tremor itself lasted between, i'd say 10 or 15 seconds or so and it obviously shook, and another -- [ indiscernible ] >> and how are people reacting in mexico city based on your eyewitness account? >> i just came in now. it was right in the center of the city, and it doesn't seem to be, you know, as much panic here in mexico city. quite a few of the buildings are being evacuated, as well, and the people are lined up along the streets, but there is acceptance and familiarity with the