San Bruno pipeline explosion

The San Bruno pipeline explosion occurred at 6:11 pm PDT on September 9, 2010, in San Bruno, California, a suburb of San Francisco, when a 30-inch diameter steel natural gas pipeline owned by Pacific Gas & Electric exploded into flames in the Crestmoor residential neighborhood 2 mi west of San Francisco International Airport near Skyline Boulevard and San Bruno Avenue.
The loud roar and shaking led some residents of the area, first responders, and news media to initially believe that it was an earthquake or that a large jetliner had crashed. It took crews nearly an hour to determine it was a gas pipeline explosion.
As of September 29, 2010, the death toll was eight people. The United States Geological Survey registered the explosion and resulting shock wave as a magnitude 1.1 earthquake. Eyewitnesses reported the initial blast "had a wall of fire more than 1,000 feet high".
At 6:11 pm PDT on September 9, 2010, a huge explosion occurred in the Crestmoor residential neighborhood of San Bruno, near Skyline Boulevard and San Bruno Avenue. This caused a fire, which quickly engulfed nearby houses. Emergency responders from San Bruno and nearby cities soon arrived at the scene and evacuated surrounding neighborhoods. Strong winds fanned the flames, hampering fire fighting efforts. The blaze was fed by a ruptured gas pipe, and large clouds of smoke soared into the sky. It took 60 to 90 minutes to shut off the gas after the explosion, according to San Bruno Fire Chief Dennis Haag. The explosion and resulting fire leveled 35 houses and damaged many more. Three of the damaged houses, deemed uninhabitable, were torn down in December, bringing the total to 38. About 200 firefighters battled the eight alarm fire that resulted from the explosions. The explosion excavated an asymmetric crater 167 feet long, 26 feet wide and 40 feet deep along the sidewalk of Glenview Drive in front of 1701 Earl Avenue , but many of the destroyed homes were eastward in the 1600 block of Claremont Drive.

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