This wasn't a sudden event.
Correct the building started waking people up at least 15 minutes before falling.
“Willis’ dad, Albert Aguero, said he woke up around 1:15 a.m. and felt the building shaking and the walls moving.
https://www.nbcconnecticut.com/news/local/uconn-baseball-player-and-his-family-narrowly-escape-collapsing-surfside-fl-condo/2516557/
That’s more accurate.