Toppled tree damages Walnut Creek home

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A huge oak tree crashed onto a house in Walnut Creek Friday morning.

It happened at around 1 a.m. at a house at Lancaster Road and Lilac Drive, near Interstate 680 and Kaiser Permanente Walnut Creek Medical Center.

Police say the homeowners, thought there was an earthquake, until they saw that the tree had come down.

No one was injured in the incident.

It's too early to determine what caused the tree collapse, but recent storms could have been a factor.

Crews have been called to the home, to remove the tree.

The house did sustain some structural damage.