21.   Later, a stronger quake occurred off the island of Crete.

22.   Kiyoo Mogi cited disappointment that the government was unwilling to notify citizens of predicted earthquakes unless forecasters could prove the quake would occur.

23.   Most Mexican quakes occur along a long swath of Pacific coastline from the Guatemalan border to a point near Puerto Vallarta, Mexico.

24.   Most Mexican quakes occur along a long swath of coastline from the Guatemalan border to a point near Puerto Vallarta.

25.   Preliminary analysis indicated the quake occurred in a region where stress was increased by that quake.

26.   Seth Stein, a professor of geological sciences at Northwestern University, said a light quake occurs about once a year somewhere in the Midwest.

27.   That quake occurred so deep that it was impossible to detect its magnitude, the agency said.

28.   That quake also occurred on an unrecognized fault, but was west of the San Andreas.

29.   The embassy said the quake occurred Tuesday morning, but other reports, including those from international earthquake measuring stations, said it occurred Wednesday.

30.   The main quake occurred Wednesday, but aftershocks continued into Thursday night.