Word: next
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Dates: during 1980-1989
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...resign. Normally such an invitation, which unquestionably reflects the wishes of Gorbachev, would be an irrefusable offer. But Starkov so far remains in his job. "Everything here is normal," he said late last week. "I put my signature on this week's edition, and I plan to sign the next one too. Mistakes sometimes happen." Starkov retains the support of his staff, some of whom have threatened to go out on strike, while worried readers have been pestering phone-in television shows, inquiring about the fate of the editor...
...next three decades lies near Palm Springs...
...though the mechanics of earthquakes are understood, accurate prediction of their occurrence has remained beyond reach. Earthquake forecasting is mostly based on past history. If a fault once generated a big earthquake, it can be assumed that it will do so again. But just where and when will the next big break occur? Here scientists are beginning to make headway. Geophysicist Wayne Thatcher of the USGS notes that the 1906 quake ruptured a 260-mile-long section of the San Andreas, extending from Cape Mendocino to San Juan Bautista. But the plate movement along the southern portion of the rupture...
...fault very, very closely," says the Geological Survey's Thatcher. The Parkfield section of the San Andreas is unusual in that it is the Old Faithful of earthquake zones, generating moderate tremors every 20 to 27 years. The last Parkfield earthquake occurred in 1966, which means that the next one should strike between now and 1993. By keeping detailed track of underground changes over time, scientists hope to identify precise signals that an earthquake is imminent...
...size of an earthquake is determined partly by the length of the fault segment that slips. In addition, large earthquakes tend to be spaced further apart than small ones, since it takes a much longer time to accumulate sufficient stress. While scientists cannot say exactly where or when the next Big One will hit, they are not without hunches. Southern California, which has not had a Big One since 1857, is every seismologist's first...