41.   Experts worried that there had been none of the aftershocks that usually follow a major quake, warned there might be strong aftershocks in the next week or two.

42.   Half the size of a football field, the lab uses hydraulic power to simulate the destructive ground movement of a major quake.

43.   Government seismologists predicted aftershocks would hit the region but there would be no major quake, Xinhua said.

44.   He said the more information scientists have, the better they can predict the probability of a major quake occurring in a certain region within a specific time frame.

45.   In spite of its close proximity to quake-prone Japan, South Korea has not suffered from any major quakes in its modern history.

46.   Increased activity sometimes precedes a major quake.

47.   It said there would be no more major quakes and Beijing would not be affected.

48.   It was the second major quake to hit the farming region in the past three days.

49.   It was the third major quake to rock the region in less than a week.

50.   Japan thought it was ready for a major quake.