In two letters, Pliny described in detail the earthquakes before the eruption, the giant cloud of ash that shot into the air, a tsunami, and the effect on the people living around Vesuvius.

• 小普里尼在两封信件中，详细描述火山爆发前的地震、喷向空中的巨大灰烬云朵、海啸，以及对维苏威火山周围居民造成的影响。