1.   In a quake caused by what is called a slip-strike fault, like the San Andreas, the blocks of earth slide past each other horizontally.

2.   As they were making their way down late Friday, another earth slide sent tons of mud down on top of them.

3.   Borland said a sliding layer of ground beneath the reservoir had caused its walls to break, but the cause of the earth slide still was not known.

4.   Borland said that a sliding layer of ground beneath the reservoir had caused the wall to break, but the cause of the earth slide was still not known.

5.   Borland said a sliding layer of ground beneath the reservoir caused the wall to break, but the cause of the earth slide was still unknown.

6.   Ten of the victims are part of a rescue team, sent down to locate a miner trapped Friday afternoon after an earth slide.