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This is an incomplete list of more recent recorded major earthquakes that have occurred within the boundaries of Indonesia.The determinants of the activity are indicated by the geology of the region, and the volcanic activity.
Since 1900, the only earthquakes recorded with a greater magnitude were the 1960 Chile earthquake (magnitude 9.5) and the 1964 Alaska earthquake in Prince William Sound (magnitude 9.2). The only other recorded earthquakes of magnitude 9.0 or greater were off Kamchatka , Russia, on 5 November 1952 (magnitude 9.0) and TÅhoku, Japan (magnitude 9. ...
The rupture area of this earthquake is situated within the southern segment, where historical earthquakes include the earthquake of 1797 and the M w ~ 9.0 1833 Sumatra earthquake. [1] [10] Unlike in 2004, the tsunami caused by the October 2010 earthquake did not propagate westwards and other Indian Ocean nations were unaffected.
What causes earthquakes? Earthquakes occur when the plates that make up the Earth's crust move around. These plates, called tectonic plates, can push against each other.
A simplified map of the geological structures of Indonesia. The tectonics of Indonesia are very complex, as it is a meeting point of several tectonic plates.Indonesia is located between two continental plates: the Sahul Shelf and the Sunda Plate; and between two oceanic plates: the Pacific Plate and the Philippine Sea Plate.
There is a large number of smaller natural disasters in Indonesia each year which often lead to deaths of 10 or 20 people or more. For example, landslides (tanah longsor) are very common in upland areas, especially during the rainy season, and cause much local damage and deaths. [6] Flooding is also a regular problem across many parts of Indonesia.
The earthquake itself, with a moment magnitude of around 9.2-9.3, devastated Aceh Province, Indonesia, while the tsunami affected countries all around the Indian Ocean. Nations which were affected are listed below in alphabetical order. For detailed information about each country affected by the earthquake and tsunami, see their individual ...
Indonesia was the first country to be seriously affected by the earthquake and tsunami created by the 2004 Indian Ocean earthquake on 26 December 2004, swamping the northern and western coastal areas of Sumatra, and the smaller outlying islands off Sumatra.