where to get usgs seismic information for sds, sd1, etc

huangyhg

where to get usgs seismic information for sds, sd1, etc?
could someone point me a source for usgs information on sds, sd1, etc. for a particular location?  i believe that usgs used to have hazmaps where you can provide a location by its coordinates, and you can get this information.  that website was recently disabled, if i am not mistaken.  however, i believe that usgs has recently provided another software where we can find these seismic informaiton.  can someone please help?  thanks.
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