1.   A powerful earthquake struck the Indonesian island of Sulawesi.

2.   Flights were cancelled after a powerful earthquake shook the northwest of the country.

3.   A powerful earthquake struck the Italian island of Sicily early this morning.

4.   Astronauts undergo three to five Gs during blast-off, while even the most powerful earthquakes seldom exceed a peak acceleration of one G.

5.   Big telephone companies reported no significant damage to their systems as a result of the powerful earthquake that rocked the Northwest on Wednesday.

6.   A powerful earthquake shook southwestern Mexico Thursday, sending thousands of terrified people into the streets of Mexico City and destroying scores of homes in rural areas.

7.   A powerful earthquake rocked Mexico City and several southwestern Mexican states Saturday, sending terrified residents into the streets and public safety workers onto full-alert.

8.   A powerful earthquake has just hit an urban center.

9.   A powerful earthquake is like no other natural catastrophe.

10.   Earlier this year, two powerful earthquakes compounded the difficulties by wrecking hundreds of thousands of buildings.