At least 235 dead, nearly 900 injured as tsunami hits Indonesia coastal areas (VIDEO)

At least 235 people have been killed as a tsunami hit beaches around Sunda Strait in Indonesia on Saturday night, according to the country's officials. Dozens remain missing, and hundreds have been injured.

The Indonesian Meteorology, Climatology, and Geophysics Agency (BMKG) said the wave was not caused by an earthquake, but was possibly the result of an eruption of Mount Krakatoa. The agency later explained that its early warning systems are mostly tied to tectonic activity, rather than volcanic.

© Antara Foto / Dian Triyuli Handoko / Reuters

Video filmed at one of the affected beaches and posted on Twitter shows the wave rolling in as bathers scramble away from the water.

Other images that were posted on social media show the devastation left behind by the waves.

A total of 235 people have been confirmed dead and 877 injured after the tsunami destroyed hundreds of houses and buildings, media reported, citing the national disaster relief agency.

Sunda Strait separates the islands of Java and Sumatra. Its coast is located about 100km (62 miles) from the Indonesian capital, Jakarta.

The tsunami-like conditions were likely caused by undersea landslides resulting from volcanic activity at Krakatoa Volcano, according to the disaster agency. The volcano, also located in the Sunda Strait, has been spewing ash and periodically erupting for the past several months.

Krakatoa is the volcano responsible for one of history's deadliest eruptions: in 1883 it caused over 36,000 deaths both directly and with the tsunami waves it triggered.

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