The plant in Pisco is run by Pluspetrol Peru Corp. and is located close to the epicenter of the magnitude 7.9 earthquake that hit at 6:40pm local time. Pluspetrol officials weren't immediately available for comment as they were in an emergency meeting. At least 337 people were killed and 827 other injured in the earthquake, according to figures from Peru's Civil Defense organization, and the earthquake also caused electricity, telecommunications, and transport problems in southern Peru.