339578
The population of that time , mainly women and children , fled to the nearby Peat island , until rescued by the sealer Hopeful in October 1833 , who then passed information about the murders to the British squadron at Rio de Janeiro .
 Rio de Janeiro
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Rio de Janeiro