At the same time that this immense aerial undulation started on its tour around the world, another wave but of awful destructiveness, a seismic sea-wave, started on a similar journey. There can hardly be a doubt that this so-called “tidal-wave” was synchronous with the greatest of the explosions. A wave from fifty to seventy-two feet high arose and swept with resistless fury upon the shores each side of the straits. The destruction to life and property will probably never be fully known. At least thirty-six thousand lives were lost; a great part of the district of North Bantam was destroyed; and the towns of Anjer, Merak, Tyringin, and neighboring villages were overwhelmed. A man-of-war, the Berouw, was cast upon the shore of Sumatra nearly two miles inland, and masses of coral from twenty to fifty tons in weight were torn from the bed of the sea and swept upon the shore.
The formerly fertile and densely populated islands of Sibuku and Sibesi were entirely covered by a deposit of dry mud several yards thick, and furrowed by deep crevasses. Of the inhabitants all perished to a man. Three islands, Steers, Calmeyer, and the islet east of Verlaten, completely disappeared and were covered by twelve or fourteen feet of water. Verlaten, formerly one mass of verdure, was uniformly covered with a layer of ashes about one hundred feet thick.
A few days after this eruption some remarkable sky effects were observed in different parts of the world. Many of these effects were of extraordinary beauty. Accordingly scientific inquiry was made, and in due time there was collected and tabulated a list of places from whence these effects were seen, together with the dates of such occurrences. Eventually it was concluded that such optical phenomena had a common cause, and that it must be the dust of ultra-microscopic fineness at an enormous altitude. All the facts indicated that such a cloud started from the Sunda straits, and that the prodigious force of the Krakatoa eruption could at that time alone account for the presence of impalpable matter at such a height in the atmosphere.
This cloud traveled at about double the speed of an express train, by way of the tropics of Cancer and of Capricorn. Carried by westerly-going winds, in three days it had crossed the Indian Ocean and was rapidly moving over Central Africa; two days later it was flying over the Atlantic; then, for two more days over Brazil, and then across the Pacific toward its birth-place. But the wind still carried this haze of fine particles onward, and again it went around the world within a fortnight. In November, the dust area had expanded so as to include North America and Europe.
Here are a few facts culled from the report of the Royal Society of London. On the 28th, at Seychelles, the sun was seen as through a fog at sunset, and there was a lurid glare all over the sky. At the island of Rodriguez, on that day, “a strange, red, threatening sky was seen at sunset.” At Mauritius (28th), there is the record “Crimson dawn, sun red after rising, gorgeous sunset, first of the afterglows; sky and clouds yellow and red up to the zenith.” 28th and 29th, Natal—“most vivid sunsets, also August 31st and September 5th, sky vivid red, fading into green and purple.” On the last days of August and September 1st, the sun, as seen from South America, appeared blue, while at Panama on the 2nd and 3d of that month, the sun appeared green. “On the 2nd of September, Trinidad, Port of Spain—Sun looked like a blue ball, and after sunset the sky became so red that there was supposed to be a big fire.” “On the 5th of September, Honolulu—Sun set green. Remarkable afterglow first seen. Secondary glow lasted till 7:45 P. M., gold, green and crimson colors. Corona constantly seen from September 5th to December 15th. Misty rippled surface of haze.”
It remains to be said that when this now famous island of Krakatoa was visited shortly after the great eruption, wonderful changes were noted. The whole northern and lower portion of the island had vanished, except an isolated pitchstone rock, ten yards square, and projecting out of the ocean with deep water all around it. What a tremendous work of evisceration this must have been is attested by the fact that where Krakatoa island, girt with luxuriant forests, once towered from three hundred to fourteen hundred feet above the sunlit waters, it is now, in some places, more than a thousand feet below them.
There is no region more frequently visited by earthquakes than the beautiful lands in the Indian ocean, and nowhere has greater damage been done than on the beautiful island of Java. In former ages Sumatra and Java formed one single island, but in the year 1115, after a terrific earthquake, the isthmus which connected them, disappeared in the waves with all its forests and fertile fields.
These two islands have more than 200 volcanoes, half of which have never been explored, but it is known that whenever there has been an eruption of any one of them, one or the other of the two islands has been visited by an earthquake. Moreover, earthquakes are so frequent in the whole archipelago that the principal ones serve as dates to mark time or to refer to, just as in our own country is the case with any great historic event. A month rarely passes without the soil being shaken, and the disappearance of a village is of frequent occurrence.
In 1822 the earthquake which accompanied the eruption of the Javanese volcano of Yalung-Yung, utterly destroyed 144 towns and villages. In 1772, when the Papand-Yung was in a state of furious eruption, the island of Java was violently agitated, and a tract of nearly twenty-five square leagues, which but the day before had been covered with flourishing villages and farms, was reduced to a heap of ruins. In 1815 an earthquake, accompanied by an eruption of the volcano of Timboro, in the island of Sumatra, destroyed more than 20,000 lives.
It is rare even in this archipelago that there occurs a cataclysm so terrible as that of 1883. When the first eruption of Krakatoa occurred on August 25, it seemed that it was a signal to the other volcanoes of Java and Sumatra. By midday Maha-Meru, the greatest, if not the most active of the Javanese volcanoes, was belching forth flame continuously. The eruption soon extended to the Gunung-Guntus and other volcanoes, until a third of the forty-five craters in Java were either in full blast, or beginning to show signs of eruption. While these eruptions were going on, the sea was in a state of tremendous agitation. The clouds floating above the water were charged with electricity, and at one moment there were fifteen large water-spouts to be seen at the same time.