How Volcanic Activity Can Spawn Tsunamis No earthquakes were recorded before the tsunami struck, the Indonesian authorities said. But there had been an eruption on the volcanic island of Anak Krakatau about half an hour before. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Australia’s Other Great (and Threatened) Coral Reefs2018 Nobel in Economics Awarded to William Nordhaus and Paul RomerJournalist’s Expulsion From Hong Kong ‘Sends a Chilling Message’Interpol Chief Was China’s Pride. His Fall Exposes the Country’s Dark Side.Mike Pompeo and His Chinese Counterpart Trade Harsh WordsWhat Did Mike Pompeo Get From Kim Jong-un? Four Takeaways