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Our expert volcanologists and photographers offer unique travel experiences: volcano expeditions, photo tours, and relaxed walking & study tours.
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Semeru volcano
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 | Volcano videos | 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.

Semeru volcano tours:
From 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))

Semeru volcano (East Java, Indonesia): 3-4 eruptions per day

Thu, 15 Sep 2011, 06:43
06:43 AM |
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.

Previous news

Tue, 17 May 2011, 21:54
Semeru volcano (East Java, Indonesia), activity update: 2-3 small ash eruptions per day
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. ... read all
Fri, 31 Oct 2008, 14:42
Semeru volcano (East-Java, Indonesia), eruption news:
The Darwin VAAC reported that a ash plume from Semeru that rose to an altitude of 4.3 km and drifted WSW on 22 October. ... read all
Mon, 20 Oct 2008, 16:28
Semeru volcano (East-Java, Indonesia), eruption news: eye witness reports ash cloud
I was on a flight yesyerday from Jember to Surabaya with 2 friends and saw Mt Semeru explode at app. 09.37 on the 18 Oct 2008. We were about 20 km from the mountain when I noticed the the top had a small gray mushroom at the top with in a minute or so i was extremley greater in size. I would not be able to guess how high it rose but it was larger than the clouds around. I'm just sending this message as I did not read anything in the news. read all
Thu, 12 Jun 2008, 09:39
Semeru volcano (East-Java, Indonesia), eruption news: small pyroclastic flows
Small pyroclastic flows and rockfall avalanches have been observed at Semeru since 22 May. The pyroclastic flows travelled a maximum distance of 2.5 km from the active crater. ... read all
Thu, 22 May 2008, 07:47
Semeru volcano (East Java, Indonesia), activity update: increased activity
Semeru's activity is increasing and VSI has increased the alert level to 3 (out of 4), recommending to keep at least 4 km away from the summit. ... read all
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