CONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins90% CONFIDENCEOverall confidence: 90%How well the pin's source and references back up its dates.Weighted average of how firmly 2 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or better
The source[1] names the day and the hour of the largest blast: "On 27 August, the island had its most significant eruption ... the third explosion of that day, that occurred at 10:02 a.m., remains the loudest-known sound in history."The third explosion of 27 August 1883 destroyed over 70% of the island and remains the loudest sound in recorded history, audible in Perth and near Mauritius. The eruption and its tsunamis killed at least 36,417 people.
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