More than 150 years ago, a fault ringing the Caribbean shook half the Atlantic, including New York City, with a mega-earthquake. The quake rivaled those that have struck Indonesia in recent years, geologists reported last week at the annual meeting of the American Geophysical Union. The Feb. 8, 1843, Lesser Antilles earthquake was in many ways remarkably similar to the magnitude-8.7 earthquake that struck Sumatra in 2005, researchers reported at the meeting. Read more