New aerial photos of the massive new Big Sur landslide show that the California coast has expanded by a stunning 13 acres — the size of 10 football fields.

The historic three-dimensional images of our sudden growth spurt — an exhilarating event for a state used to watching its edges erode — is part of a project led by U.S. Geological Survey research geologist Jonathan Warrick, based in Santa Cruz.

“To witness the change of the coast in a constructional way — it’s such a unique event,” said landslide expert Kevin Schmidt of USGS in Menlo Park, who was not involved in the project.

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