Complex sentence: It was built in 1924 in Spanish Colonial Revival style but was updated in 1934-35 following the 1933 Long Beach earthquake in P.W.A. Moderne architecture to make repairs and to meet new earthquake-related building codes.
Split into simpler sentences: It was built in 1924 in Spanish Colonial Revival style. Following the 1933 Long Beach earthquake it was updated in P.W.A. Moderne architecture to make repairs and to meet new earthquake-related building codes.