However , landslides typically occur over small areas .

而山体滑坡通常发生在很小一片区域。

When it rains hard , landslides sweep topsoil down to the sea .

下大雨的时候，山崩会把表层泥土席卷到海里。

But torrential rains most commonly activate landslides .

但暴雨是山体滑坡最常见的起因。

Reports claimed all roads into the city were blocked by landslides .

报道称所有进城路线都因山体滑坡而被堵。

Our nasa inventory only tracks landslides brought on by rain .

我们nasa的这个清单库只追踪由降雨引起的山体滑坡。