Powerful surf driven by the remnants of former Hurricane Marie hammered Southern California's coastline last week, stripping sand from beaches, damaging homes and walkways, and laying bare the deepening vulnerability of oceanfront communities from Malibu to San Diego County. The episode has reignited concern among coastal scientists and officials about the region's long-term resilience to storm-driven erosion.

Worst Damage: Alamitos Peninsula

The most severe destruction was recorded along the Alamitos Peninsula in Long Beach, where days of large breaking waves overwhelmed sand berms and pounded a seawall protecting homes packed tightly between the Pacific Ocean and narrow streets. At least 24 oceanfront homes were placed under evacuation orders while authorities assessed structural damage and the possibility of foundation undermining.

The immediate trigger was the long-period swells generated by Hurricane Marie, which remained far offshore but directed substantial wave energy toward south- and southwest-facing beaches. The combination of high surf and high astronomical tides amplified coastal flooding and erosion risks considerably.

Nicolas Cage Property and Local Emergency

In Malibu, the storm attracted national attention when a sinkhole opened in the driveway of an oceanfront home reportedly owned by Oscar-winning actor Nicolas Cage, known for films including 'Leaving Las Vegas', 'National Treasure' and 'Face/Off'. The collapse triggered a gas leak, prompting emergency crews to shut off utilities. Malibu officials subsequently declared a local emergency for affected properties along Sea Level Drive.

Rail Corridor Disrupted in San Clemente

In San Clemente, high tides and powerful waves overtopped the coastal rail line, causing further erosion and slope damage and forcing the closure of an affected section of the track. The corridor — formally the Los Angeles-San Diego-San Luis Obispo Rail Corridor — is the second-busiest intercity passenger rail corridor in the United States. Parts of the 351-mile route run directly along coastal bluffs and beaches in Southern California, where waves, landslides and slope failures have repeatedly forced emergency repairs and service disruptions.

El Niño Warning and the Climate Context

Coastal scientists say erosion is a natural process, but risks escalate sharply when beaches have limited room to migrate because of development and shoreline structures. In heavily developed stretches of Southern California, seawalls, homes, roads and rail lines constrain the natural movement of sand as sea levels continue to rise.

Climate scientist Daniel Swain warned during a public discussion last week that conditions could worsen. 'Unfortunately, this is just a preview,' Swain said, cautioning that coastal flooding risks could intensify in the autumn and winter if El Niño conditions strengthen — a prospect that forecasters say is increasingly likely. A strengthening El Niño is expected to bring wetter and stormier weather to Southern California later this year.

Former Malibu resident S.A. Baker captured the broader anxiety among locals. 'With global warming, superstorms and ocean current shifts, I'm afraid it's only going to get worse,' Baker said. 'Las Vegas might be beachfront property one day if this keeps up.'

What Comes Next

Local officials remain focused on repairs and public safety, with authorities warning of dangerous surf and rip currents. Rainfall may also increase runoff and temporarily worsen water quality near beaches. The latest storm has underscored how even a tropical system tracking hundreds of miles offshore can inflict significant damage along Southern California's exposed coastline — and with El Niño looming, coastal communities may face a difficult winter ahead.