LA JOLLA, Calif. -- Gov. Arnold Schwarzenegger declared a state of emergency in San Diego Monday in the wake of a landslide on La Jolla's Mount Soledad that caused $48 million in damage.

The proclamation allows the state Office of Emergency Services to deploy personnel and equipment and to provide other assistance, according to the governor's office.

It also clears the way for Caltrans to request an emergency declaration from the federal Highway Administration.

Last Wednesday's landslide, which occurred in the 5700 block of Soledad Mountain Road, caused $26 million in public works damage and $22 million in property damage, city officials said over the weekend.

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Six homes remain "red-tagged," which means they have been declared uninhabitable by the city.

According to Mayor Jerry Sanders' office, one home that had been "red tagged" was reclassified as restricted to allow the residents to enter the house accompanied by public safety officials.

At one point, 111 homes had to be evacuated.

Two residences remain "yellow-tagged," meaning they can only be entered with an escort, according to the mayor's office. Another five houses on Desert View Drive have been deemed structurally sound, but entry is blocked by the landslide.

Geotechnical engineers flew over the landslide today to collect data that will be used to determine the best method to repair damaged roadways and stabilize the area, according to Sanders' office.

Geologists also concluded their examination of soil composition from three holes drilled into the landslide area, according to the mayor. The information they collected will be used to determine the cause of the slide and how to stabilize the area.