We don't have synonyms for epicenters yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are epicenter, epicentre and epicentres.
(n) :
(American spelling) Alternative form of epicentre. [(seismology) The point on the land or water surface directly above the focus, or hypocentre, of an earthquake.]
(v) :
(American spelling) Alternative form of epicentre. [Of an earthquake: to have its epicentre (at a specified location).]
(n) :
(American spelling) Alternative form of epicentre. [(seismology) The point on the land or water surface directly above the focus, or hypocentre, of an earthquake.]
(v) :
(American spelling) Alternative form of epicentre. [Of an earthquake: to have its epicentre (at a specified location).]