Sentence examples for their occurrence from inspiring English sources

Like buses, some small earthquakes show regularity in their occurrence.

In fact, the frequency of their occurrence is only likely to increase in the years ahead.

They are "sentinel" in that their occurrence in a workplace signals a breakdown in prevention.

Breaches of discipline – Wilshaw only reluctantly admits their occurrence – are punishable by a detention after school that day.

The long, sad shadow of those attacks falls upon us as we mark the third year since their occurrence.

It is indisputable when they occur, they cause catastrophic damage, but we also know their occurrence is very rare".

Russia may have many tornadoes, but reports are not available to quantify their occurrence.

However, their occurrence cannot be ruled out.

Grasshoppers are mobile and their occurrence depends on weather conditions.

The probability of their occurrence is estimated at 17/83.

Moreover, their occurrence depends also on the sediment grain size.