1.   A strong earthquake cracked buildings in northwest China.

2.   Five strong earthquakes have shaken India in the last decade, and new evidence has convinced scientists that much worse appears not only inevitable, but overdue.

3.   Most houses in villages are made of mud brick and are unable to withstand strong earthquakes.

4.   Scientists suspect that a strong earthquake set off a submarine landslide, which in turn produced the tsunami.

5.   Strong earthquakes can trigger the slides.

6.   The alert was issued after a strong earthquake shook the sea floor near Peru.

7.   The death toll is so high in the villages because most houses are made of mud brick, which makes them unable to withstand such strong earthquakes.

8.   The question has been whether the area, which now includes St. Louis and Memphis, can expect another strong earthquake anytime soon.

9.   They ignored periods when strong earthquakes sent vibrations off the scale.

10.   Without a major fault, the chances of a strong earthquake are less likely, said Seth Moran, a UW seismologist who researched conditions around Mount Rainier.