BackgroundThe steep-sided volcano, also referred to as Mahameru (Great Mountain), rises abruptly to 3676 m 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.
Erupting Semeru volcano at night (March 2004) - a small explosion expels incandescent bombs that roll down its southern flank. (Photo: Tom Pfeiffer)
Semeru volcano tours:From Krakatau to Bali (16-days study and photo tour to Java, Indonesia)Volcanoes of Java (17-day walking and trekking tour on Java)Volcanoes of East Java (4-5 days walking tour to Bromo, Semeru and Ijen)Bromo, Semeru, Ijen (trekking tour to Semeru, Bromo, Ijen volcanoes (East Java))
See also: Sentinel hub | Landsat 8