systems. The plant was still under construction and scheduled to start supplying energy in June 2010. The number of injuries was eventually established to be 27. Five people died in the explosion. April 20, 2010: Deepwater Horizon oil spill in the Gulf of Mexico. Eleven oil platform workers died in an explosion and fire that resulted in a massive oil spill in the Gulf of Mexico, considered the largest offshore spill in US history. March 11, 2011: As a result of the 2011 Tōhoku earthquake and tsunami, Fukushima Daiichi nuclear accident in Japan. Regarded as the largest nuclear disaster since the Chernobyl disaster, there were no direct deaths but a few of the plant's workers were severely injured or killed by the disaster conditions resulting from the earthquake. Fujinuma Dam failure, Fukushima Prefecture, Japan. The dam failed 20 to 25 minutes after the earthquake as the nearly full reservoir overtopped the dam's crest. Eight people were killed. Ichihara gas tank fire, Chiba Prefecture, Japan. A fire in natural gas containers at the Ichihara oil refinery. Six people were injured, and storage tanks were destroyed. February 24, 2012: Köprü Dam in Adana Province, Turkey. A hydroelectric dam whose diversion tunnel seal was breached. 97 million cubic meters of water flooded the area downstream of the dam. The accident and flood killed 10 workers. October 29, 2012: Hurricane Sandy caused a Consolidated Edison power plant to explode, causing a blackout in most of midtown Manhattan. The blue light emitted from the arc made places as far as Brooklyn glow. No person was killed or injured. July 6, 2013: Lac-Mégantic, Quebec Canada. Lac-Mégantic derailment. Forty-seven people were killed when there was a derailment of an oil shipment train. The oil shipment caught fire and exploded, destroying more than thirty buildings. It was the fourth-deadliest rail accident in Canadian history. July 23, 2018: Laos dam collapse. Part of a hydroelectric dam system under construction collapsed in Champasak Province, Laos. The collapse lead to widespread destruction and homelessness. 40 people were confirmed dead, at least 98 more were missing, and 6,600 others were displaced. June 21, 2019: Philadelphia Refinery Explosion. An explosion at Philadelphia Energy Solutions' refinery destroyed the alkylation unit, where crude oil is converted to high octane gas, and led to the planned closure of the financially troubled plant. While the explosion and fire only led to a few minor injuries, it was