Six people critically injured in 6.0-magnitude earthquake

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More than 90 homes have been declared unsafe to live in in Napa California where a 6.0 earthquake hit Sunday.

The governor of California has declared a state of emergency for that area.

The earthquake was centered between the cities of Napa and American Canyon, but was felt as far south as Santa Cruz.

It was over within 20 seconds, but damaged more than 100 buildings, ignited fires and ruptured water mains and gas lines.

More than 200 people were treated at area hospitals, six of them with critical injuries.

One child was struck by a falling chimney.

Officials in the city of Napa say some progress is being made.

Fires are out and work is underway to repair the ruptured water and gas lines, as well as restore power to thousands of customers.

Crews have checked out more than 100 reports of gas leaks.

Officials still have to go building by building and assess the damage before they can come up with a cost estimate. That could take days, possibly even weeks.

All bridges have been checked and officials say they are safe.

There have been nearly 60 aftershocks.

It was the worst earthquake to hit the Bay area since 1989, when more than 60 people were killed.

There were quite a few Hoosiers in Northern California. Many were there because of the IndyCar Race Sunday in Sonoma.

Greenwood resident Haley Miley was in California for the race. She was staying about 20 miles outside of Sonoma, far enough that there was no damage.

For us, it wasn't that bad and we thought, 'Oh we're in California, earthquakes happen all the time.' So we just went back to sleep and we didn't think much of it at all," Miley said.