We studied Bam in Iran and California in the USA. There was an earthquake at each place. Each one about 6.3 on the Richter scale. Yet the over 20,000 were killed in Bam killed and only 1 in California. Why?
This is the crux of these two case studies. I am attaching the powerpoint, complete with video links from the lesson. It would probably help if, at the same time, you revised the way California is prepared for earthquakes through their shakeout program use the (why do you think the emphasis is so much on preparation and not prediction?)
Here is the powerpoint lesson on Bam and California earthquakes