Press Releases Share Print #21-021 City of Carson Reports No Significant Damage after M4.3 Earthquake Carson, CA - A magnitude 4.3 earthquake centered in Carson occurred at 7:48 p.m. Earthquake triggered an emergency shutdown of refineries. Controlled safety flaring events at Carson-based refineries were occurring as normal. No structural damage has been reported by these refineries, major utility companies or businesses. No other significant damages reported in the City.As of 10:30 p.m., South Coast Air Quality Management District reported good air quality and projected good air quality for Saturday.The City of Carson’s Emergency Operation Center was activated at 8:09 p.m. For more information, please call the City of Carson’s Public Safety Department at (310) 952-1786 or (310) 952-1788. Only call 911 if you have a life threatening emergency.