MARTINEZ (CBS SF) — The source of a mysterious rumbling in the Concord-Clayton area that had been keeping residents awake at night has been confirmed.
The rumbling had residents searching the skies for spaceships with sounds like a gigantic washing machine, one resident said.READ MORE: California Drought: Healdsburg Bans Sprinklers; Sets Personal Water Use To 74 Gallons A Day
The noise was so loud it caused neighborhood dogs to bark so loud that resident Krage Assanee couldn’t hear the noise causing it.READ MORE: Update: One Killed, Two Injured When Truck Crashes Into Diners at San Jose Sports Bar
Nobody knew for sure what the sounds were until KPIX heard from the Tesoro refinery in Martinez.
They said the refinery is undergoing planned maintenance which resulted in flaring and noise.MORE NEWS: COVID: San Francisco Restaurants Prepare For Full Reopening; 'We Will Not Be The Vaccine Police'
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