Calmeyer was an island in the Sunda Strait

Sunda Strait

The Sunda Strait is the strait between the Indonesian islands of Java and Sumatra. It connects the Java Sea to the Indian Ocean...

 between Java

Java

Java is an island of Indonesia. With a population of 135 million , it is the world's most populous island, and one of the most densely populated regions in the world. It is home to 60% of Indonesia's population. The Indonesian capital city, Jakarta, is in west Java...

 and Sumatra

Sumatra

Sumatra is an island in western Indonesia, westernmost of the Sunda Islands. It is the largest island entirely in Indonesia , and the sixth largest island in the world at 473,481 km2 with a population of 50,365,538...

. It, and a neighboring island Steers (island)

Steers (island)

Steers was an island in the Sunda Strait between Java and Sumatra. It, and a neighboring island Calmeyer, were created from volcanic products from the 1883 eruption of Krakatoa, in the Sebesi Channel between Krakatoa and Sebesi, which was a fairly shallow area .Steers was the slightly larger of the...

, were created from volcanic products from the 1883 eruption of Krakatoa

Krakatoa

Krakatoa is a volcanic island made of a'a lava in the Sunda Strait between the islands of Java and Sumatra in Indonesia. The name is used for the island group, the main island , and the volcano as a whole. The island exploded in 1883, killing approximately 40,000 people, although some estimates...

, in the Sebesi Channel between Krakatoa and Sebesi

Sebesi

Sebesi is an Indonesian island in the Sunda Strait, between Java and Sumatra. It rises to a height of and lies about 12 km to the north of the Krakatoa Islands and is the closest large island, about the same area and height as the remmant of Rakata. Like Krakatoa, it too is volcanic, although...

, which was a fairly shallow area (about 20 meters before the eruption).

Calmeyer was somewhat higher than Steers, at about 6.5 meters at the highest spot. The two rather quickly were eroded away by wave action; Calmeyer had broken up into about half a dozen smaller islets by the time of Rogier Verbeek

Rogier Verbeek

Rogier Diederik Marius Verbeek was a Dutch geologist and nature scientist.His journal Krakatau, which was edited in 1884 and 1885 by order of the Governor-General of the Dutch East Indies, is his most known work. It deals with the eruption of the volcanic island Krakatoa in 1883 and brought...

's visit in October 1883, and was gone within two years. Sandbanks bearing the names still remain.