Sebuku
Encyclopedia
Sebuku is an island in the Sunda Strait
between Java
and Sumatra
. It is one of the larger islands in the strait and lies just 2.5 kilometres (1.6 mi) to the north of Sebesi
and 2.3 kilometres (1.4 mi) south of Sumatra
. It is administratively part of South Lampung Regency
, Lampung
.
, Sebuku was uninhabited, but a village on Sebuku Ketjil, a small island to its east, was completely wiped out. Official records give 150 killed, with 70 being non-residents.
In the 1920s, copra
palms were planted on Sebuku to satisfy the growing market. However, due to a lack of maintenance the palms eventually withered and died.
In 1999 a sunken Japan
ese ship was found near Sebuku by divers preparing for an underwater photography contest. Its age is unknown.
and 2.3 kilometres (1.4 mi) south of Sumatra
. It covers a total area of 17.71 square kilometre. It is administratively part of South Lampung Regency
, Lampung
.
Sebuku has a centre composed of andesite
, indicating an early volcanic history. This centre has been dated to the Quaternary
and has been called an early manifestation of volcanism
in the Sunda Strait. The substrate on the northern side of the island consists of fossilized coral, mud and sand, while on the eastern side of the island the substrate consists of mud, sand, gravel, and both live and fossilized coral. The outside is fringed by a reef
.
and Sumatra on Sebuku. Four species of ants have been found on Sebuku, fewer than Sebesi and Krakatoa. These included ants not found on Krakatoa, thought to be descended from fauna that survived the 1883 eruption
.
The waters near Sebuku have fewer echinoderm
s than further into the Lampung Bay. This is thought to be from exploitation and poor resource management
.
Due to cultivation, few natural forests remain on Sebuku. However, along the eastern coast of Sebuku there are many mangrove
s. There are also tropical plants found throughout the island.
and diving
, with tourists generally arriving by boat from Canti village on Sumatra.
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 is one of the larger islands in the strait and lies just 2.5 kilometres (1.6 mi) to the north of 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...
and 2.3 kilometres (1.4 mi) south of 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 is administratively part of South Lampung Regency
South Lampung Regency
South Lampung Regency is a regency of Lampung, Sumatra, Indonesia. It has an area of 2,109.74 km² and a population of 923,002 people as of 2007. The capital lies at Kalianda...
, Lampung
Lampung
Lampung is a province of Indonesia. It is located on the southern tip of the island of Sumatra and borders the provinces of Bengkulu and South Sumatra. Lampung is the original home of the Lampung people, who speak a distinct language from other people in Sumatra and have their own alphabet. Its...
.
History
At the time of the 1883 eruption of KrakatoaKrakatoa
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...
, Sebuku was uninhabited, but a village on Sebuku Ketjil, a small island to its east, was completely wiped out. Official records give 150 killed, with 70 being non-residents.
In the 1920s, copra
Copra
Copra is the dried meat, or kernel, of the coconut. Coconut oil extracted from it has made copra an important agricultural commodity for many coconut-producing countries. It also yields coconut cake which is mainly used as feed for livestock.-Production:...
palms were planted on Sebuku to satisfy the growing market. However, due to a lack of maintenance the palms eventually withered and died.
In 1999 a sunken Japan
Japan
Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...
ese ship was found near Sebuku by divers preparing for an underwater photography contest. Its age is unknown.
Geography
Sebuku is a low island, located in the eastern part of the mouth of Lampung Bay, 2.5 kilometres (1.6 mi) north of SebesiSebesi
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...
and 2.3 kilometres (1.4 mi) south of 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 covers a total area of 17.71 square kilometre. It is administratively part of South Lampung Regency
South Lampung Regency
South Lampung Regency is a regency of Lampung, Sumatra, Indonesia. It has an area of 2,109.74 km² and a population of 923,002 people as of 2007. The capital lies at Kalianda...
, Lampung
Lampung
Lampung is a province of Indonesia. It is located on the southern tip of the island of Sumatra and borders the provinces of Bengkulu and South Sumatra. Lampung is the original home of the Lampung people, who speak a distinct language from other people in Sumatra and have their own alphabet. Its...
.
Sebuku has a centre composed of andesite
Andesite
Andesite is an extrusive igneous, volcanic rock, of intermediate composition, with aphanitic to porphyritic texture. In a general sense, it is the intermediate type between basalt and dacite. The mineral assemblage is typically dominated by plagioclase plus pyroxene and/or hornblende. Magnetite,...
, indicating an early volcanic history. This centre has been dated to the Quaternary
Quaternary
The Quaternary Period is the most recent of the three periods of the Cenozoic Era in the geologic time scale of the ICS. It follows the Neogene Period, spanning 2.588 ± 0.005 million years ago to the present...
and has been called an early manifestation of volcanism
Volcanism
Volcanism is the phenomenon connected with volcanoes and volcanic activity. It includes all phenomena resulting from and causing magma within the crust or mantle of a planet to rise through the crust and form volcanic rocks on the surface....
in the Sunda Strait. The substrate on the northern side of the island consists of fossilized coral, mud and sand, while on the eastern side of the island the substrate consists of mud, sand, gravel, and both live and fossilized coral. The outside is fringed by a reef
Reef
In nautical terminology, a reef is a rock, sandbar, or other feature lying beneath the surface of the water ....
.
Ecology
Sebuku, along with Sebesi, has been noted as a "stepping stone" for butterfly migration between Sumatra and Krakatoa. There are numerous butterfly species from both JavaJava
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 on Sebuku. Four species of ants have been found on Sebuku, fewer than Sebesi and Krakatoa. These included ants not found on Krakatoa, thought to be descended from fauna that survived the 1883 eruption
1883 eruption of Krakatoa
The 1883 eruption of Krakatoa began in May 1883 and culminated with the destruction of Krakatoa on 27 August 1883. Minor seismic activity continued to be reported until February 1884, though reports after October 1883 were later dismissed by Rogier Verbeek's investigation.-Early phase:In the years...
.
The waters near Sebuku have fewer echinoderm
Echinoderm
Echinoderms are a phylum of marine animals. Echinoderms are found at every ocean depth, from the intertidal zone to the abyssal zone....
s than further into the Lampung Bay. This is thought to be from exploitation and poor resource management
Resource management
In organizational studies, resource management is the efficient and effective deployment of an organization's resources when they are needed. Such resources may include financial resources, inventory, human skills, production resources, or information technology...
.
Due to cultivation, few natural forests remain on Sebuku. However, along the eastern coast of Sebuku there are many mangrove
Mangrove
Mangroves are various kinds of trees up to medium height and shrubs that grow in saline coastal sediment habitats in the tropics and subtropics – mainly between latitudes N and S...
s. There are also tropical plants found throughout the island.
Tourism
Sebuku is a popular destination for snorkelingSnorkeling
Snorkeling is the practice of swimming on or through a body of water while equipped with a diving mask, a shaped tube called a snorkel, and usually swimfins. In cooler waters, a wetsuit may also be worn...
and diving
Diving
Diving is the sport of jumping or falling into water from a platform or springboard, sometimes while performing acrobatics. Diving is an internationally-recognized sport that is part of the Olympic Games. In addition, unstructured and non-competitive diving is a recreational pastime.Diving is one...
, with tourists generally arriving by boat from Canti village on Sumatra.