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The geography of
Indonesia is dominated by volcanoes that are
formed due to subduction zones between the
Eurasian plate and the Indo-Australian plate.
Some of the volcanoes are notable for their
eruptions, for instance, Krakatau for its global
effects in 1883, Lake Toba for its supervolcanic
eruption estimated to have occurred 74,000
Before Present which was responsible for six
years of volcanic winter,and Mount Tambora for
the most violent eruption in recorded history in
1815
Volcanoes in Indonesia are a part of the Pacific
Ring of Fire. The 150 entries in the list below
are grouped into six geographical regions, four
of which belong to the volcanoes of the Sunda
Arc trench system. The remaining two groups are
volcanoes of Halmahera, including its
surrounding volcanic islands, and volcanoes of
Sulawesi and the Sangihe Islands. The latter
group is in one volcanic arc together with the
Philippine volcanoes.
The most active volcanoes are Kelut and Merapi
on Java island which have been responsible for
thousands of deaths in the region. Since AD
1000, Kelut has erupted more than 30 times, of
which the largest eruption was at scale 5 on the
Volcanic Explosivity Index (VEI),[4] while
Merapi has erupted more than 80 times.[5] The
International Association of Volcanology and
Chemistry of the Earth's Interior has named
Merapi as a Decade Volcano since 1995 because of
its high volcanic activity.
The islands of Indonesia are among the newer
pieces of real estate on the globe. They were
formed only about fifteen million years ago., as
a result of shifts of land under the ocean and
volcanic eruptions.
Indonesia has some 155 centres of active
volcanism. Java and Bali are the most
volcanically active islands in the world with 20
of their volcanoes having been active in
historical times.
In addition, 13 older volcanoes have active
solfatara (vents emitting hydrogen sulphide and
other sulphurus gases) and fumaroles (vents
emitting high pressure steam and other gases.
List of Indonesia
Volcanoes that we serve to trek :
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