LOS ANGELES (CBSLA) — For the second consecutive day, a brush fire erupted at the Hansen Dam recreational area in the San Fernando Valley amid a late season triple-digit heat wave.

The roughly three-acre fire broke out just before noon at 12200 Osborne Street in Lake View Terrace near the base of Hansen Dam, according to Los Angeles Fire Department spokesman Brian Humphrey.

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While the fire was in heavy brush, there were no structures threatened and no evacuations ordered, Humphrey said.

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A knockdown was declared around 2:15 p.m.

The cause is under investigation.

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Firefighters made quick work of a two-acre fire in the area Tuesday near the Hansen Dam Golf Course. That fire was being investigated.