(Bloomberg) -- A powerful Pacific storm called a “bomb cyclone” that drenched Northern California on Sunday has effectively extinguished the second-largest wildfire in state history.

The Dixie Fire, which burned for more than three months in the northern Sierras and torched nearly 1 million acres, was 100% contained as of Monday, according to wildfire tracking site InciWeb.

The blaze, which leveled much of the gold-rush era town of Greenville, is suspected to have started when a tree fell on a power line owned by PG&E Corp. The cause of the wildfire remains under investigation. 

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