A South Pasadena test alert mistakenly sent this week to residents across the region was likely the result of human error, a city spokesperson said Wednesday.

“This is a test of the South Pasadena WEA (Weather Emergency Alert) system,” read the alert, which was mistakenly sent around 5:50 p.m. Tuesday to residents across Los Angeles County. “There is no emergency.”

Public safety officials sent the alert, which appeared to have pinged most cellphones in Los Angeles County, said Jennifer Colby, a spokesperson for the City of South Pasadena. Some users reportedly got the alert as far away as Orange and San Luis Obispo counties.

City officials are working with Finalsite, the platform that runs the emergency alert system, to determine why it was sent to a far wider audience than intended,

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