Anak Krakatau volcano in Indonesia has showed increasing unrest over the past 18 days. Yesterday the volcano recorded 195 explosions and 71 volcanic earthquakes. Ash reached 800 m above the crater, and glowing lava reached the sea. The sand beaches on the island have become hot. Eruptions began last week. There is a 2 mile exclusion zone around the island, and the volcano is on level 3 alert (out of maximum 4).
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