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NOAA Rediscovers Golden Gate Shipwreck

By Liz Liang

Unseen for 125 years, the City of Chester re-emerges on the sonar screen.

More than a century ago, on Aug. 22, 1888, the 202-foot passenger steamer SS City of Chester left San Francisco’s Broadway Wharf in a dense fog at around 9 a.m. Just over an hour later, the ill-fated ship lay at the bottom of San Francisco Bay, doomed by a violent collision with the steamer RMS Oceanic, arriving from Asia.

MS Oceanic Image of a painting by W. L. Wyllie, R. A.MS Oceanic Image of a painting by W. L. Wyllie, R. A.

The two vessels collided just inside the entrance to the Bay — now spanned by the Golden Gate Bridge — and the City of Chester took the worst of the impact. Impaled on the nose of the Oceanic, it remained afloat for just six minutes before sinking with a loss of 16 lives.

Now, NOAA has announced the rediscovery of the wreck of the City of Chester near the Golden Gate, not far from the headquarters of Gulf of Farallones National Marine Sanctuary at Crissy Field. The office is the former U.S. Life-Saving Service station built in 1890 in response to the City of Chester incident.

The rediscovery of the wreck restores an important historical link to San Francisco’s early Chinese-American community. Reports at the time initially criticized Oceanic’s Chinese crew in the racially-charged atmosphere of the times. Criticisms turned to praise, however, when the bravery of the crew in rescuing many of the City of Chester’s passengers was revealed. The wreck was then largely forgotten.

wreck reportThis official "wreck report" was filed by the master of City of Chester with the U.S. Government following the loss of his ship. It offers the captain's brief description of how the accident occurred, the amount of insurance on City of Chester, and an estimated death toll, which later proved to be inaccurate. (National Archives)

“Discoveries like this remind us that the waters off our shores are museums that speak to powerful events, in this case not only that tragic wreck, but to a time when racism and anger were set aside by the heroism of a crew who acted in the best traditions of the sea,” said James Delgado, director of maritime heritage for NOAA’s Office of National Marine Sanctuaries, whose past work has included documenting historic wrecks in California.

In May 2013, NOAA’s Office of Coast Survey Navigational Response Team 6 (NRT6), in a 28-foot boat equipped with sonar, rediscovered what they thought was the City of Chester while surveying another nearby shipwreck, the freighter Fernstream, which sank after a collision in 1952. Delgado asked the NRT6 team to extend their survey to try and find the sunken steamer.

wreck report2013 Multi-beam sonar profile view of shipwreck SS City of Chester Red imagery represents highest profile of the shipwreck off the seafloor. (Credit: NOAA Office of National Marine Sanctuaries NOAA Office Coast Survey Navigation Response Team 6 (NRT6))

After working with historic data provided by NOAA historians, the Coast Survey team conducted a multi-beam sonar survey and a sonar target the right size and shape was found. The team spent nearly nine months sorting through the data. A follow-up side-scan sonar survey confirmed that the target was the City of Chester, sitting upright, shrouded in mud, 216 feet deep at the edge of a small undersea shoal. High-resolution sonar imagery clearly defined the hull, rising some 18 feet from the seabed, and the fatal gash on the vessel’s port side. 

This NOAA team was not the first to find the shipwreck. It was 125 years earlier that the U.S. Coast and Geodetic Survey, NOAA’s predecessor agency which was charged with responsibility for charting the nation’s coasts and harbors, believed it had located the City of Chester in early September 1888 by dragging a wire from the tugboat Redmond to snag the hulk.  

wreck reportIllustration of RMS Oceanic and SS City of Chester Collision (Credit: San Francisco Chronicle San Francisco, California Thursday August 23, 1888)

A veteran salvage diver of the time, Captain Robert Whitelaw, also claimed to have relocated the wreck, sending a hard-hat diver down more than 200 feet in 1890 to report City of Chester nearly cut in two, with the tide running through the cut “like a millrace.”  No attempt was made to raise the wreck then and there are no plans to do so today.

“Connecting to the history of the Chester is sad in one way, but we were also connecting to scientific history on a different level," explained NOAA NRT6 team leader Laura Pagano. "Using our high-tech multi-beam echo sounder to rediscover a wreck originally found over a century ago – by Coast Surveyors dragging a wire across the seafloor – is immensely fulfilling. We are equally proud to have provided information on an important link to the rich heritage of the San Francisco Chinese American community.”


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It is a protected site and a grave belonging to the state of California. Nonetheless, said NOAA’s Delgado, “Whether we see them or not, wrecks like the City of Chester should be remembered today and future generations to come.”

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