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The epicenter of the earthquake was between the towns of Hveragerði and Selfoss , about east-southeast of the capital , Reykjavík .
 Hveragerði, Selfoss, Reykjavík
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Hveragerði, Selfoss, Reykjavík