A fresh bluff collapse has shut down access to Grandview Beach in Encinitas — at nearly the same stretch of cliff where three members of one family were killed in 2019.

The latest failure occurred Thursday near the staircase at Grandview Street and Neptune Avenue. No injuries were reported, but the city closed public access within roughly 300 feet north and south of the stairs because more sections could give way. Encinitas officials said relentless swell and wave action was the primary cause.

San Diego State University geology professor Dr. Pat Abbott said the failure was essentially impossible to predict.

“For something like this one here, I would basically call it unpredictable,” Abbott told ABC 10News. He compared it directly with the 2019 disaster: “This section right here collapsed in exact same way and killed three people … No warning whatsoever. 100% Mother Nature.”

That Aug.…