The Young Volcano Explorers by Edward Stratemeyer

And now, while Mont Pelee is in full eruption, let us go ashore and learn what was happening in the city of St. Pierre, with its twenty-five thousand inhabitants and its five thousand refugees.

There had been more than one warning that this terrible catastrophe was at hand. For a number of days outbreaks of more or less importance had occurred, which had occasioned the lava dust and the strange condition of the water encountered so far out at sea.