LOS ANGELES -- An earthquake rolled through the area in the late morning Tuesday but aside from a frayed nerve or two, there was no damage to Dodger Stadium and the game between the Giants and Dodgers progressed without delay.

The temblor registered a magnitude 5.4 and was centered about 30 miles southeast of Los Angeles and eight miles beneath the surface in Chino Hills, according to the U.S. Geological Survey.

"I thought it was a bomb," said Giants manager Bruce Bochy, who was at the team hotel in Pasadena. "I heard the rumbling. It took a couple of seconds for me to realize it was an earthquake. It was a pretty good jolt to start out with."

Originally slated as a 5.8, the quake hit at 11:42 a.m. PT and was later downgraded by Caltech. There were no reports of major damage or injuries.

"Any stronger and I would have gone out like I came in -- naked and alone," Giants reliever Tyler Walker said. "I could hear it coming. I was asleep, but I could kind of hear that rumbling and I knew it."

Those who experienced the earthquake described it anywhere from a gentle rolling that got progressively stronger to more of a sharp bump and the movement lasted several seconds.

It also prompted memories of the 1989 Loma Prieta earthquake that struck just prior to Game 3 of the World Series between the Giants and Oakland A's. That quake registered 6.9 and killed 63 people.

A portion of Interstate 880 collapsed as did part of the San Francisco/Oakland Bay Bridge as a result of the Loma Prieta quake and the World Series was delayed 10 days.

Dodgers manager Joe Torre said he was sitting about six rows from the top of Candlestick Park when that happened. On Tuesday, he was sitting in his kitchen.

"I did all right. I just wanted to make sure everybody else did all right. I went outside and my wife was talking with my niece and one of the workers, and she had a smile on her face, so I guess that was OK," Torre said. "My other daughter was upstairs on her computer and didn't seem to be disrupted by it, so I guess that was all right. Everybody was fine."

The Dodgers issued a statement through team spokesman Josh Rawitch on Tuesday ensuring the safety of the ballpark, but the earthquake still created excitement. Giants reliever Osiris Matos, who is from the Dominican Republic, experienced an earthquake for the first time as he sat in the hotel lobby with his agent Adam Gold.

"He looked at me and said, 'Is that an earthquake?'" Matos said. "As soon as it started shaking a lot, I said, 'Oh, my God.'" I was on the phone with my wife and she said, 'Get out of there.' I said, 'I'm already out.'"

Once outside, Matos said they could see the building shake.