About 9:40 a.m., on October 16, 2004, eastbound Union Pacific Railroad (UP) freight train ZLAMN-16 derailed 3 locomotives and 11 cars near Pico Rivera, California. Some of the derailed cars struck nearby residences. Small amounts of hazardous materials were released from transported cargo. An estimated 5,000 gallons of diesel fuel were released from the locomotive fuel tanks when they ruptured during the derailment. About 100 people were evacuated from the area. There were no injuries to area residents, the train crew, or emergency response personnel. At the time of the derailment, the sky was overcast. The wind was from the south at approximately 6 mph. The temperature was 66° F. The UP estimated the monetary damage at $2.7 million.