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...relieved the region's tectonic stress? A: Don't bet on it. The area off the coast of Sumatra is a subduction zone, a highly unstable region where the India Plate, the Australia Plate, the Sunda Plate and the Burma Micro-Plate collide and dive beneath one another. Earthquakes tend to occur in clusters in subduction zones, and McCloskey says his initial findings indicate that the latest quake has accentuated the stress along the Sunda Trench fault for another 300 km south. The result is like the steady growth of a crack in a car windshield. "We don't know...
...will it happen again? A: Almost certainly yes. "This is obviously a cluster of quakes," says Sieh. "The question now: Is it a cluster of two, or a cluster of more?" He points out that quakes tend to hit the region every 200 years or so. The last earthquakes to occur near the newly stressed area south of last week's temblor were in 1797 and 1833?meaning quakes could be primed to occur again soon. There's no way to tell when an earthquake will strike?scientists can measure the stress on a fault, but they don't know...
...their memory to continue with our job." Since the Dec. 26 disaster, the Australian defense forces have spearheaded their country's massive aid effort in Indonesia. More than 1,000 troops have helped distribute food, provide clean water, treat the injured, clear rubble and build houses. "We all tend to focus on where bombs are going off," said Australian Defence Force chief Gen. Peter Cosgrove after the crash. "But here in the midst of this life-saving operation, these lovely men and women, serving their country, have paid a very big price...
...matter of fact, Congress has already arbitrarily reduced Social Security benefits. For example, in 1983, Congress raised the retirement age. Given Social Security’s looming financial crisis, additional benefit cuts and/or tax increases are certain. Further, because workers’ future benefits are not guaranteed, politicians tend to make promises today that they may not be able to keep tomorrow. Therefore, the entirely political nature of Social Security puts a worker’s Social Security retirement benefits at considerable risk...
...ethnic demographics—who initially support the concept of private accounts change their minds when they learn more about the likely consequences of implementing them. They overwhelmingly support making less severe changes to the program, and sooner rather than later. Younger voters (those aged 18 to 39) tend most to like private accounts, but not if it means large cuts in Social Security benefits or massive government borrowing...