The duration of fault rupture is related to both how long it takes for a spot on the fault to slip (which seems to be quite fast) and the time it takes rupture to proceed along a fault.

断层断裂的持续时间与断层中某一点滑动的时间有关(可能会相当快)，同时还与沿着断层继续断裂的时间有关。

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Because P and S waves travel at different but fairly constant speeds, the interval between their arrivals increases in proportion to the distance from the earthquake focus, or initial rupture point.

由于 P 波和 S 波以不同但相当恒定的速度传播，它们到达的间隔与到震源或初始破裂点的距离成比例地增加。

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This meant that they were less likely to rupture and to trigger a heart attack or stroke.

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"If you have plaque in your arteries, this is a perfect time for them to rupture and lead to a heart attack, " Steinbaum says.

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They rupture leading to a bleed on the brain.

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