11.   But experts stress a large quake in Tokyo could pose a host of new problems.

12.   But she added that seismologists have not ruled out the possibility of a further large quake in the next two days.

13.   Greece, also an earthquake-prone country, has in recent years developed specialized teams to deal with the aftermath of large quakes.

14.   Large quakes are common in that area.

15.   Large quakes are common in that area, Jorgenson said.

16.   Seismologists say there is no connection among the large quakes that have occurred recently around the world.

17.   That damage was fixed, but seismologists say the eastern span could collapse in a large quake.

18.   That is why pockets of heavy damage are sometimes surrounded by areas with relatively little in large quakes near metropolitan areas.

19.   The large quake was followed by two aftershocks.

20.   The US Geological Survey in Boulder, Colorado confirmed that a large quake had hit the Mexican capital, but had no precise information.