Siesmological or Seismological: How To spell?

The word Siesmological is misspelled against Seismological, an adjective meaning "pertaining to seismology."

Word contains consecutive vowels 'EI' in between alphabets s & smological is misspelled as 'IE'
Wrong Spelling:  s-ie-smological 
Correct Spelling:  s-ei-smological 
Find more incorrect spellings of Seismological to spell right way.