6.8 magnitude earthquake off Indonesia coast prompts tsunami warnings
About 310,000 people were within a 62-mile radius of the earthquake’s center. A 6.8 magnitude earthquake struck off the coast of Indonesia’s Sulawesi island on April 12, 2009. USGS A 6.8 magnitude earthquake struck off the coast of Indonesia’s Sulawesi island Friday, prompting tsunami warnings that were later lifted. The strong quake was centered at a depth of…