The Collaborative International Dictionary of English v.0.48:
Seismological \Seis`mo*log"ic*al\, a. Of or pertaining to seismology. -- Seis`mo*log"ic*al*ly, adv. [1913 Webster]WordNet (r) 3.0 (2006):
seismological adj 1: of or concerned with seismology [syn: seismological, seismologic]