For generations, Cathedral Rock was one of the natural landmarks that helped define La Jolla’s dramatic shoreline.
Then, on a January morning in 1906, it suddenly collapsed.
Cathedral Rock was one of La Jolla’s distinctive coastal formations, appearing in photographs, postcards, and descriptions of the seaside community around the turn of the 20th century.
On Jan. 20, 1906, residents were awakened sometime between 3 and 4 a.m. by a tremendous roar. There also appeared to be a distinct tremor.
At first, no one knew what had happened.
Early risers eventually looked toward the bluff west of the railroad station and discovered that Cathedral Rock had collapsed.
The San Diego History Center preserved the contemporary account in its Journal of San Diego History, which reproduced the San Diego Union’s January 20, 1906, description of Cathedral Rock as a mass of broken rocks “much like the debris which results from an explosion in a great quarry.”
The collapse was particularly striking because Cathedral Rock had been photographed only three years earlier.
The photograph, preserved by the San Diego History Center, shows the distinctive formation before its collapse.
Another historical image survives in the collection of the Metropolitan Museum of Art. Dated 1899, it is titled “Cathedral Rock, La Jolla, Near San Diego, California, No. 6118.” The image was produced by the Detroit Publishing Co. as a commercial color lithograph and is listed by the museum as public domain.
Together, the two images show how the formation looked in the years immediately preceding its collapse.
But for people living in La Jolla, the event was more than a change in scenery. A familiar landmark had vanished during the night, and residents discovered the change only after the roar and tremor had passed.
The San Diego History Center’s account captured the sense of loss, describing Cathedral Rock as “one of the distinguishing features of the popular suburb, La Jolla.”
More than a century later, Cathedral Rock survives in photographs, postcards and historical accounts.
For modern visitors looking at La Jolla’s coastline, those images offer a reminder that even seemingly permanent landmarks can change.
On Jan. 20, 1906, La Jolla’s coastline changed forever.
Read more history stories here. Do you have a story to tell? Send an email to DebbieSklar@cox.net.
Sources:
- San Diego History Center — “La Jolla Legacy.”
- The Metropolitan Museum of Art — “Cathedral Rock, La Jolla, Near San Diego, California, No. 6118.”
