21.   When an earthquake struck Los Angeles soon after, she felt compelled to help.

22.   When the earthquake struck, Mrs. Hirajima could not rescue a neighbor who was trapped in the rubble and fire.

23.   When the earthquake struck, Mrs. Hirajima did not have time to rescue a neighbor trapped in the rubble.

24.   When the catastrophic earthquake struck Tuesday morning, Arima rushed outside in his underclothes and comforted a tenant from the neighboring building, which he owned.

25.   When earthquakes strike Southern California, overloaded telephone systems routinely fall dead as tens of thousands of people try to make urgent calls.

26.   When the earthquake struck, Mrs. Hirajima did not have time to rescue a neighbor who was trapped in the rubble.

27.   A fairly strong earthquake struck northeast of Tokyo early Friday, but there were no immediate reports of damage or injuries.

28.   A fairly strong earthquake struck parts of southern Okinawa and Taiwan Tuesday, generating small tsunami, or ocean waves caused by seismic activity, officials said.

29.   A fairly strong earthquake struck near the coast of northern Japan Wednesday morning, but there were no immediate reports of damage or injuries.

30.   A fairly strong earthquake struck parts of southern Okinawa on Tuesday, generating small tsunami, or ocean waves caused by seismic activity, officials said.