Wreck Dive
Rio de Janeiro Maru, Chuuk Lagoon, Micronesia
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The Rio de Janeiro Maru was a 142 metre-long freighter. At the time of the attack, she was anchored east of Uman Island and suffered hits by 1000lb bombs, probably from aircraft launched from the Yorktown and Bunker Hill.
She sank at 00:30 on the 18th February 1944 and came to rest on her starboard side at a depth of ~35 metres. The shallowest point is at ~23 metres.
Map location is only an approximate location of the wreck.
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