We just had one here in Ohio last night.
It was a 4.2 and about 20 miles eastof me.
How likely are certaina reas to have earthquakes?
I thought California was the biggie, in that regard.
Are there some places that would probably never have them because of geography and plates?

Here’s a link to a seismic zone map of the United States. The zones are numbered 0-4, with zone 0 being the least likely to experience an earthquake:

The disaster center site has a ton of other earthquake information as well.

Here’s another map of the continental US from the US Geological Survey: