SS ''Sansinena'' was a

Liberia Liberia (), officially the Republic of Liberia, is a country on the West African coast. It is bordered by Sierra Leone to Liberia–Sierra Leone border, its northwest, Guinea to its north, Ivory Coast to its east, and the Atlantic Ocean ...

oil tanker An oil tanker, also known as a petroleum tanker, is a ship designed for the bulk transport of oil or its products. There are two basic types of oil tankers: crude tankers and product tankers. Crude tankers move large quantities of unrefined crud ...

that exploded in

Los Angeles Los Angeles ( ; es, Los Ángeles, link=no , ), often referred to by its initials L.A., is the largest city in the state of California and the second most populous city in the United States after New York City, as well as one of the world' ...

harbor on Friday, 17 December 1976 at 7:33pm. She was docked at berth 46 at

Port of Los Angeles The Port of Los Angeles is a seaport managed by the Los Angeles Harbor Department, a unit of the City of Los Angeles. It occupies of land and water with of waterfront and adjoins the separate Port of Long Beach. Promoted as "America's Port", t ...

San Pedro, California San Pedro ( ; Spanish: " St. Peter") is a neighborhood within the City of Los Angeles, California. Formerly a separate city, it consolidated with Los Angeles in 1909. The Port of Los Angeles, a major international seaport, is partially located wi ...

. The vessel was a

steamship A steamship, often referred to as a steamer, is a type of steam-powered vessel, typically ocean-faring and seaworthy, that is propelled by one or more steam engines that typically move (turn) propellers or paddlewheels. The first steamships ...

built in 1958. At its final port of call, ''Sansinena'' had discharged its cargo of

crude oil Petroleum, also known as crude oil, or simply oil, is a naturally occurring yellowish-black liquid mixture of mainly hydrocarbons, and is found in geological formations. The name ''petroleum'' covers both naturally occurring unprocessed crude ...

and was taking on ballast and fuel when a massive explosion split the ship in half and obliterated multiple port buildings. The blast shattered windows for miles around, flung the entire midship bridge on the wharf, and triggered a fire that spread across the dock and around the tanker. The

Los Angeles Fire Department The Los Angeles Fire Department (LAFD or LA City Fire) provides emergency medical services, fire cause determination, fire prevention, fire suppression, hazardous materials mitigation, and technical rescue services to the city of Los Angeles ...

soon arrived on the scene to contain the blaze and rescue survivors. One of the fires, fed by underground fuel lines, burned for four days. A

United States Coast Guard The United States Coast Guard (USCG) is the maritime security, search and rescue, and law enforcement service branch of the United States Armed Forces and one of the country's eight uniformed services. The service is a maritime, military, mult ...

investigation later concluded that the incident was caused by flammable hydrocarbon vapor buildup on the deck of the ship caused by a poorly designed and deteriorating venting system as well as an unsafe practice (leaving all vents open during ballasting). The ignition source was never identified. The official casualty count was: *9 dead, eight crew and one dock security guard) *46 injured, 9 requiring hospitalization The explosion of ''Sansinena'' and technical details of the incident were featured as the first segment of the Engineering Disasters of the 1970s' episode of History Channel's ''

Modern Marvels ''Modern Marvels'' is an American worldwide television series that formerly aired on the History Channel and is currently shown on Story Television. The program focuses on how technologies affect and are used in modern society. It is History's f ...

'' television series.

External links

* * * * * * * Sansinena Shipwrecks of the California coast History of Los Angeles Maritime incidents in 1976 Oil tankers 1958 ships {{Merchantship-stub

See also

Further reading

External links