Earthquake

There is a magnitude 5 earthquake in the UK once every twenty years. The last was in 1984 in Cardiff. The area around Norfolk isn't great for transmitting earthquake waves as they are too soft. So, when a largish earthquake shakes all the houses in Norwich, it is the main topic on the local news and all the kids were taking about it, I was asleep and didn't stir. I am thinking of linking a seismograph to my alarm clock so if it happens again then it will wake me up for the next one. Or move to Japan.