|L'Aquila in 2009|
Their convictions were on charges on manslaughter and the six were sentenced to six years in prison.
While earthquakes cannot be predicted, science can talk about probabilities. Generally, seismologists look over past earthquakes and see what is the largest earthquake that typically happens in a 100-year period. They then dress that up and say something like "there is a 30% chance of such an earthquake happening in the next 30 years." That's about it.
We may think that we live in a modern and sophisticated world but the public is just as likely to confuse science and witchcraft today as it was in Salem in the 1690s.