Mount Sempu
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| Mount Sempu | |
|---|---|
| Elevation | 1,549 metres (5,082 ft)[1] |
| Location | Sulawesi, Indonesia |
| Coordinates | |
| Type | Caldera |
| Last eruption | Unknown |
Mount Sempu in the northern arm of Sulawesi, Indonesia, contains a 3 km wide of caldera. A maar, called Kawah Masem, was formed in the southwest of the caldera and contains a crater lake. Sulfur deposits have been extracted from the maar since 1938. Historical records, however, are unknown from the volcano.[1]

