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Head to the beach at night: Enchanting neon-blue light is flashing in the surf from bioluminescent plankton

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Head to the beach at night: Enchanting neon-blue light is flashing in the surf from bioluminescent plankton


The night-time surf at many San Diego County beaches is once again flashing pretty neon-blue light that stems from plankton blooms that have developed in some coastal areas.

In recent days, beach-goers have reported seeing the bioluminescence at Torrey Pines, La Jolla Shores, Carlsbad and Mission Bay.

It’s not unusual for this to happen at various beaches several times a year.

The phenomenon is caused by single-cell organisms in plankton blooms that produce a chemical reaction that generates fleeting flashes of light, especially in breaking surf and around pier pilings.

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It is common for surfers to wade into the water at night and see their boards light up as they catch a wave. Bioluminesence typically lasts for a few days but periodically occurs for weeks on end when the plankton bloom is large.





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San Diego, CA

Padres sign Giolito to 1-year deal with option for '27

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Padres sign Giolito to 1-year deal with option for '27


The Padres on Wednesday signed veteran right-hander Lucas Giolito to a one-year contract that includes a mutual option for 2027. The move adds depth to a San Diego rotation that has withstood injuries to Nick Pivetta, Joe Musgrove and Griffin Canning already this season.
Giolito returned to the mound in



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San Diego, CA

Person struck, killed by train in Encinitas

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Person struck, killed by train in Encinitas


A person was fatally struck by a train in the Cardiff neighborhood of Encinitas early Wednesday afternoon, a sheriff’s official said.

The collision was reported just after 1 p.m. in the area of Chesterfield Drive at San Elijo Avenue, Lt. Joe Berry said.

The Sheriff’s Office’s Railroad Enforcement Unit is investigating the incident.

Chesterfield was briefly closed between San Elijo and Coast Highway 101 as first responders worked, but the road has since reopened.

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In a post on social media platform X, the North County Transit District warned people to expect significant delays for Coaster service. Tracks were closed between Solana Beach and Encinitas stations, it said, and a Breeze bus bridge would be available for passengers between those stations.



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San Diego, CA

Joseph Allen Oviatt – San Diego Union-Tribune

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Joseph Allen Oviatt – San Diego Union-Tribune


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