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Semeru volcano
Stratovolcano 3676 m (12,060 ft)
East Java, Indonesia, -8.11°S / 112.92°E

Semeru webcams / live data
Semeru volcano eruptions:
1818, 1829, 1830, 1832, 1836, 1838, 1842, 1844, 1845, 1848, 1849(?), 1851, 1856, 1857, 1865, 1866(?), 1887, 1887, 1888, 1889-91, 1892, 1893, 1893-94, 1895, 1896, 1897, 1899, 1899, 1900, 1901, 1903, 1904, 1905, 1907, 1908, 1909-10, 1910-11, 1911, 1912, 1913, 1941-42, 1945, 1946, 1946-47, 1950-64, 1967-ongoing (as of 2014)
Typical eruption style:
Explosive. Near constant strombolian activity, occasionally stronger explosions, lava flows and pyroclastic flows.
Last earthquakes nearby

Semeru volcano news & eruption updates

Sunday, Sep 21, 2014
Strombolian activity in Semeru seen in mid Sep 2014 (photo: Andi / VolcanoDiscovery)
Strombolian activity in Semeru seen in mid Sep 2014 (photo: Andi / VolcanoDiscovery)
Our recent tour group on Java observed mild ongoing strombolian activity in the volcano's summit crater. ...more
Friday, Sep 12, 2014
Steam plume and the lava flow (dark tongue) from Semeru this morning
Steam plume and the lava flow (dark tongue) from Semeru this morning
The slow extrusion of a lava flow from the summit crater continues and forms a dark tongue extending a few 100 meters. Rockfalls detaching from it roll frequently down the Kembar ravine on the southern flank. ...more
Wednesday, Jul 23, 2014
Glow from Semeru's summit at night (VSI webcam)
Glow from Semeru's summit at night (VSI webcam)
Progression of a presumed lava flow (thermal anomaly) on the SE slope (Images: ASTER/GSJ, compiled and annotated by Culture Volcan)
Progression of a presumed lava flow (thermal anomaly) on the SE slope (Images: ASTER/GSJ, compiled and annotated by Culture Volcan)
Activity, weak during the past months, seems to have picked up. A new lava flow has started to slowly descend the southeastern slope. ...more [read all]
Friday, Oct 18, 2013
A pilot observed a small ash eruption this morning. The volcano had recently been very calm, but this could be a sign it is getting more active again.
Wednesday, Jul 25, 2012
The active lava dome inside Semeru's summit crater as seen on 19 July (Photo: Andi / VolcanoDiscovery)
The active lava dome inside Semeru's summit crater as seen on 19 July (Photo: Andi / VolcanoDiscovery)
The lava dome of Semeru volcano, East Java, is active and growing slowly our recent expedition group observed on 18-19 July during our trekking tour Volcanoes of Java. ...more
Tuesday, May 08, 2012
CVGHM reported that during 1-29 February multiple pyroclastic flows from Semeru traveled 500 and 2,500 m into the Besuk Kembar and Besuk Kobokan rivers (on the S flank), respectively. During 1 February-30 April dense gray-to-white plumes rose 100-500 m above Jongring Seloko crater and drifted W and N. Incandescence was visible up to 50 m above the crater during 1 February-31 March. Seismicity decreased from March to April. Observations indicated that the lava dome grew in April. On 2 May CVGHM lowered the Alert Level to 2 (on a scale of 1-4) and reminded the public not to approach the crater within a 4-km radius. ...more
Thursday, Mar 29, 2012
Our expedition leader Doni just returned from a visit to Semeru and reports that on 27 March, he and our group observed frequent explosions every few minutes, with many powerful enough to eject glowing bombs to produce small glowing avalanches down on the southern flank of the volcano.
Monday, Feb 06, 2012
A slight increase in activity of Semeru volcano's activity has been observed by the Indonesian Geological Survey in recent weeks and its alert level was raised to 3 (out of 4, "watch") on 3 February 2012, after it had been on level 2 since 16 July 2009. ...more [read all]
Thursday, Sep 15, 2011
View of Semeru's crater with a lava dome on 1 Sep 2011
View of Semeru's crater with a lava dome on 1 Sep 2011
Our group traveling in East Java just returned from a visit to Semeru volcano and sends the following report: an active lava dome is growing inside the crater and there are 3-4 eruptions per day, and it seems that the size and frequency is increasing in the past days.
Tuesday, May 17, 2011
Semeru on the morning of 13 May (photo: Andi Rosati)
Semeru on the morning of 13 May (photo: Andi Rosati)
As observed during a photo expedition in May, Semeru's activity consisted of a few small to medium ash explosions per day, and over the past weeks, it has been increasing. Access to the summit is open for climbers.

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