Dieng volcano in Indonesia has been raised from level I to II alert (out of maximum 4) after two phreatic eruptions on 15th January. The eruptions occurred at Sibanteng crater at 0800 and 0830 hr. Material was ejected 50 m from the crater. There has not been any increase in toxic gas at the volcano. It is recommended that residents and tourists not to approach closer than 300 m from the craters.
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