Tsunamiis a Japanese word with the English translation: "harbour wave". In the past, tsunamis have been referred to as "tidal waves" or "seismic sea waves". The term "tidal wave" is misleading; even though a tsunami's impact upon a coastline is dependent upon the tidal level at the time a tsunami strikes, tsunamis are unrelated to the tides. WhileIndonesia does have a tsunami warning network, it is designed to provide warnings for tsunamis triggered by earthquakes. As this one was triggered by the sudden collapse of an island into the water, no tsunami warning was issued. Wave heights ranged from 12 feet (3.75 m) to 21 feet (6.6 m) and the tsunami affected both Sumatra Island on 11283. 7.8. 10 Km. 261 km Tenggara KEPANJEN-MALANG-JATIM (Hanya TEST Event) (Warning Tsunami PD-1) Potensi Tsunami terkini di wilayah Indonesia. Asmuch of the island blasted apart and splashed into the sea, a tsunami rose up and slammed into the nearby islands of Java and Sumatra, causing most of the eruption's 36,000 fatalities. While Indonesia bore the brunt of the damage, the Krakatau eruption had perplexing effects across the world. .

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