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LOS ANGELES (AP) — Southern California Gas Co. reported a gas leak at the Los Angeles natural gas storage facility that was the site of a gigantic methane leak that forced thousands from their homes two years ago.

The company said in a community alert that the leak occurred shortly before 5 p.m. Monday at the Aliso Canyon underground storage field during a routine operation to pressurize equipment after maintenance. SoCal Gas said the leak was shut off within 50 minutes and didn’t pose any health risks — though it did produce a noticeable odor.

Residents were notified about 7:40 p.m.

A leak in a well at the field in October 2014 lasted nearly four months and caused the largest single release of methane in U.S. history.