Evacuations reduced in California chemical tank emergency after worst-case explosion risk eliminated

Published
May 26, 2026
Location
Garden Grove, California
I-80, milepost 146
View on map
Incident type
Other

Summary

Accident Garden Grove California in Garden Grove, California: A chemical tank explosion at GKN Aerospace in Garden Grove, California, resulted in evacuations and ongoing risk mitigation. The tank contained methyl methacrylate (MMA), a chemical linked to health risks. Temperature and pressure stabilized, and the threat of a BLEVE was eliminated. Officials reported 16,000 residents displaced, with 50,000 initially evacuated. A class-action lawsuit is pending, and the company apologized for the incident.

Original reporting

Evacuations reduced in California chemical tank emergency after worst-case explosion risk eliminated

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