Buyan-Bratan, Indonesia

Caldera · 2,244 m (7,362 ft) · Lesser Sunda Is

Buyan-Bratan is a caldera in Indonesia, 2,244 m (7,362 ft) high. Its last known eruption: undated, but a probable Holocene eruption. NOAA records no significant eruption here.

Buyan-Bratan on the map

Buyan-Bratan and the volcanoes within 300 km, colored by when each last erupted.

Since 1964
1900 to 1963
1800s
AD 1 to 1799
Before AD 1, or undated

Open the live map with volcanic ash advisories

The volcano

Type: Caldera
Elevation: 2,244 m (7,362 ft)
Country: Indonesia
Region: Lesser Sunda Is
Summit: 8.283° S, 115.133° E
Last known eruption: Undated, but a probable Holocene eruption
Holocene activity known from: Holocene
Smithsonian volcano number: 264001

Significant eruptions

NOAA records eruptions that killed, did damage, were very large, or set off a tsunami or earthquake.

None on record.

Around it

The volcanoes within 300 km.

Earthquakes near Buyan-Bratan Volcanic ash advisories on the live map

Sources

Volcanoes and significant eruptions from NOAA’s National Centers for Environmental Information, Global Historical Hazard Database, cited as NCEI/WDS, doi:10.7289/V5PN93H7. Public domain. Read 2026-09-24. Volcano numbers are the Smithsonian Institution’s Global Volcanism Program’s.