Global tsunami risk prompts early warnings, early action
On December 26, 2004, a powerful undersea earthquake with a magnitude of 9.1–9.3 struck off the coast of Sumatra, Indonesia, prompting a massive tsunami that
On December 26, 2004, a powerful undersea earthquake with a magnitude of 9.1–9.3 struck off the coast of Sumatra, Indonesia, prompting a massive tsunami that