Which kind/model of sensor is appropriate for detecting vibration at one end of 1000 m steel block?

If you want to detect sound, use a microphone. If you want to detect vibration, there are a few options, but probably the default option would be a piezoelectric accelerometer. For both microphones and accelerometers, there are thousands of models available depending on the frequency and amplitude range you care about. Cost will be in the hundreds of US dollars range.

If you can provide more detail about what you need to do, we can give you a better answer.