View When Was It Discovered Mount Tambora Pics. It is estimated that small eruptions occurred for. When the island was first discovered by europeans, the a letter from an englishman on the island of sumanap described how, on the afternoon of april 11, 1815, by four o'clock it was necessary to light candles.
Mount tambora erupted on april 10, by most accounts, and the eruption lasted from april 10 to april 15.
Could very likely have been caused by the catastrophic eruption of mount tambora, which climaxed on 10 april 1815. Mount tambora, or tomboro, is an active stratovolcano in the northern part of sumbawa, one of the lesser sunda islands of indonesia. Minor lava domes and flows have been extruded on the caldera floor. It was formed due to the active beneath it, and before its 1815 eruption, it was more than high, making it one of the tallest peaks in the indonesian archipelago.