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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. Semeru, a favourite mountain trekking destination, has been in almost continuous eruption since 1967. It is known for its regular ash explosions that typically occur at intervals of 10-30 minutes.
Stratovolcano 3676 m (12,060 ft)
East Java, Indonesia, -8.11°S / 112.92°E
Current status: erupting (4 out of 5)
Semeru webcams / live data | ReportsSemeru volcano videosSemeru volcano books | Tours
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
Typical eruption style:Explosive. Near constant strombolian activity, occasionally stronger explosions, lava flows and pyroclastic flows.
Last earthquakes nearby
Semeru volcano toursFrom Krakatau to Bali (16-days study and photo tour to Java, Indonesia) Volcanoes of Java (17-days 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))
Latest satellite images  Sentinel hub | Landsat 8
Semeru volcano news & eruption updates
Semeru volcano Volcanic Ash Advisory: VA OBS TO FL140 EXT 7NM TO SW AT 06/2350Z.
Wednesday Jun 07, 2017 00:30 AM |
Satellite image of Semeru volcano on 7 Jun 2017
Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: FVAU0615 at 00:25 UTC, 07/06/17 from ADRM VA ADVISORY DTG: 20170607/0020Z VAAC: DARWIN VOLCANO: SEMERU 263300 PSN: S0806 E11255 AREA: INDONESIA SUMMIT ELEV: 3676M ADVISORY NR: 2017/6 INFO SOURCE: HIMAWARI-8 AVIATION COLOUR CODE: ORANGE ERUPTION DETAILS: VA OBS TO FL140 EXT 7NM TO SW AT 06/2350Z. OBS VA DTG: 07/0020Z OBS VA CLD: SFC/FL140 S0812 E11249 - S0814 E11254 - S0806 E11256 - S0806 E11254 MOV SW 5KT FCST VA CLD +6 HR: 07/0620Z SFC/FL140 S0829 E11243 - S0831 E11249 - S0806 E11257 - S0805 E11255 - S0814 E11245 FCST VA CLD +12 HR: 07/1220Z NO VA EXP FCST VA CLD +18 HR: 07/1820Z NO VA EXP RMK: VA ERUPTION OBSERVED ON VISIBLE SATELLITE LOOPS. POOR IR TEMP GIVES AN ESTIMATED HEIGHT OF FL140 FROM SURABAYA 06/1200Z SOUNDING. ACCESS/JMA MODEL GUIDANCE CONSISTENT WITH OBS MOTION AT FL140. VA EXPECTED TO DISSIPATE WITHIN 6-12HRS. NXT ADVISORY: NO LATER THAN 20170607/0530Z
Previous news
Monday, Jan 09, 2017
Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: ...
[more]
Monday, Jan 09, 2017
Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: ...
[more]
Monday, Oct 10, 2016
A lava flow is again active on the southern slope of the volcano. After similar activity during the first half of the year, the lava flow stopped around early August, but reappeared in September. At the moment it has a length of approx. 1500 m and can be seen from the south. ...
[more]
Friday, Jul 29, 2016
During an ongoing tour in East Java, our small group observed glow and mild explosive (strombolian) activity from Semeru volcano's summit crater. The lava flow in the southern ravine was inactive.
[more]
Monday, Jun 13, 2016
Access to the mountain was closed after a 26 year-old Swiss climber has been missing for 10 days now since he climbed the volcano on 3 June. ...
[more]
More on VolcanoDiscovery:
 The term for all fine-grained volcanic products fragmented during explosive eruptions.  Volcano Special Tours: We organize tours to particularly active volcanoes and during ongoing eruptions for extended observation time from various viewpoints. These trips, exclusively for very small groups, are often announced only at short notice and require fast travel and flexibility. Each trip is accompanied by a volcanologist from our team. Examples include: Kilauea (Hawai'i), Colima (Mexico), Krakatau and many others.  Ubinas activity updates: The most frequently active volcano in Peru entered a new eruptive phase in 2014. Updates and news are regularly posted on this page.
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