A Sept. 10, 2010 photo showing firefighters and rescue crews working amid damage caused by the pipeline explosion in San Bruno, Calif.
April 9, 2015 Pacific Gas & Electric Co. was ordered to pay the fine — the largest ever charged a public utility — for the San Bruno explosion and fire that killed 8 people and destroyed dozens of homes.
Investigators examine a 20-foot long section of gas pipeline found more than 40 feet from the rupture site north of Charleston, W. Va.
December 13, 2012 The NTSB is investigating why no warning sounded in the control center of pipeline operator, Columbia Gas Transmission, when the explosion occurred.
A fireball over Interstate 77 after a gas line ruptured in Sissonville, W. Va. on Tuesday, Dec. 11.
West Virginia State Police/Associated Press
December 12, 2012 Federal officials are investigating why a gas pipeline exploded just feet away from Interstate 77 north of Charleston, W. Va.
CPUC employee Jacqueline Grieg and daughter Janessa died in the San Bruno explosion.
California Public Utilities Commission
September 29, 2010 LA Times tracking gas pipeline explosion
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