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Data from the Global Volcanism Program of the Smithsonian Institution
Details for: Semeru
Semeru volcano rises above the coastal plain in Java, shown here producing a small ash plume in 1985. Larger eruptions occasionally produce pyroclastic flows and lahars that reach as far as the lower flanks of the volcano. Semeru (also known as Mahameru: "Great Mountain") has been in near-continuous activity since 1818. Photo by Tom Casadevall, 1985 (U.S. Geological Survey).
Volcano Number:
263300
Volcano Name:
Semeru
Country:
Indonesia
Volcano Type:
Stratovolcano
Last Eruption:
2025 CE
Elevation:
3657m
Tectonic Setting:
Subduction zone / Continental crust (> 25 km)
Pop. within 5km:
2686
Pop. within 10km:
8375
Pop. within 30km:
1022197
Pop. within 100km:
20098931
Latitude:
-8.108
Longitude:
112.922
Details
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Semeru, the highest volcano on Java, and one of its most active, lies at the southern end of a volcanic massif extending north to the Tengger caldera. The steep-sided volcano, also referred to as Mahameru (Great Mountain), rises above coastal plains to the south. Gunung Semeru was constructed south of the overlapping Ajek-ajek and Jambangan calderas. A line of lake-filled maars was constructed along a N-S trend cutting through the summit, and cinder cones and lava domes occupy the eastern and NE flanks. Summit topography is complicated by the shifting of craters from NW to SE. Frequent 19th and 20th century eruptions were dominated by small-to-moderate explosions from the summit crater, with occasional lava flows and larger explosive eruptions accompanied by pyroclastic flows that have reached the lower flanks of the volcano.
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Eruption Data from the Global Volcanism Program of the Smithsonian Institution
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Emissions Data from the Global Volcanism Program of the Smithsonian Institution
Sorry. No emissions data found for this volcano.
Data from the Earthchem Library
Sorry. No data exist for this volcano in the EarthChem Library.
Data from the Earthchem Portal
Sorry. No data exist for this volcano in the EarthChem Portal.
Data from the SESAR Database
Sorry. No data exist for this volcano in the SESAR database.
Data from the MaGa Database
Sorry. No data exist for this volcano in the MaGa database.
Data from UNAVCO
Sorry. No data exist for this volcano in the UNAVCO database.
Data from USIEI
Sorry. This volcano is not covered by any USIEI projects
Data from IRIS FDSNWS
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