Hi Kiddo. Maybe these links will give you what you’re looking for. It could also give Chris a chance to explain the areas that might present the greatest threat. Take Care…Don in creepy town

http://seis.natsci.csulb.edu/dfrancis/pvgdep.htm

http://erp-web.er.usgs.gov/reports/annsum/vol43/sc/g0017.pdf