Complex sentence: The low-frequency vibrations rattled tiles and plaster, too, leading to damage in some venues; a safety net was installed at Mann's Chinese Theatre in Hollywood to catch errant pieces of plaster falling from the ceiling.
Split into simpler sentences: The low-frequency vibrations rattled tiles and plaster, too, leading to damage in some venues. A safety net was installed at Mann's Chinese Theatre in Hollywood to catch errant pieces of plaster falling from the ceiling.