"Silay, the northernmost volcano on Negros Island, lies 28 km east of Silay City. The compound basaltic-andesite stratovolcano has a summit elevation of 1510 m and contains a partially breached, 3.5-km-wide caldera. Silay was considered to be of Holocene age (IAVCEI, 1973), but the age of its most recent eruptions is not known. The Malisbog solfatara field displays fumarolic activity and extensive sulfur deposits."  -Smithsonian Volcano Archive
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