With all the geotech earthquake work they've done in the area over the last 10 years and with plans for early detection I would think they have the fault issues covered by now.
Station:
Station map
FUD Wrote:
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> They'll need a Palmdale Union Station anyway. HSR
> will just need a better connection to downtown
> than Metrolink can provide. Build it well; only a
> few miles from the S.A.Fault in an area that's
> overdue (though not as much as in some other
> places) for a big one.