Alas Strait

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Alas Strait
Gunung Rinjani yang Terlihat dari Selat Alas.jpg
The Alas Strait with Mount Rinjani on Lombok in the background.
Alas Strait is located in Sumbawa
Alas Strait
Alas Strait
Sumbawa island and Alas Strait
Coordinates8°40′S 116°40′E / 8.667°S 116.667°E / -8.667; 116.667Coordinates: 8°40′S 116°40′E / 8.667°S 116.667°E / -8.667; 116.667
Native nameIndonesian: Selat Alas
Basin countriesIndonesia
ReferencesSelat Alas: Indonesia National Geospatial-Intelligence Agency, Bethesda, MD, USA

The Alas Strait is a strait that separates Lombok and Sumbawa, two islands of Indonesia in West Nusa Tenggara province.

The strait was bridged by land until about 14,000 years before present when sea level rose to about 75 meters below present sea level, [1] unlike Lombok Strait and Alor Strait which continued to be water gaps even during the Last Glacial Maximum, at each end of a 400-mile-long island including present-day Lombok, Sumbawa, Komodo, Flores, Solor, Adonara, and Lembata.

Color infrared view of Rinjani Volcano on Lombok Island, May 1992. Lombok Strait and Bali is on the top, Alas Strait and Sumbawa Island is on the bottom.

See also[edit]


  1. ^ "Pleistocene Sea Level Maps". The Field Museum.