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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.
The fault forms part of the boundary between two of the major crustal blocks that form the island, the North Sula Block and the Makassar Block.The current slip rate along the Palu-Koro Fault is estimated to be in the range 30 to 40 millimetres (1.2 to 1.6 in) per year, compared to a long term slip rate of 40 to 50 millimetres (1.6 to 2.0 in) per year over the last 5 million years.
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.
The tectonics processes in Indonesia formed major structures in Indonesia. The most prominent fault in the west of Indonesia is the Semangko Fault or the Great Sumatran Fault, a dextral strike-slip fault along Sumatra Island (about 1,900 km). The formation of this fault zone is related to the subduction zone in the west of Sumatra.
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.
Sunday's earthquake was one of the most powerful ever to hit western Australia.
A week after the earthquake, its reverberations could still be measured, providing valuable scientific data about the Earth's interior. The 2004 Indian Ocean earthquake came just three days after a magnitude 8.1 earthquake in the sub-antarctic Auckland Islands, an uninhabited region west of New Zealand, and Macquarie Island to
The Baribis Fault (Indonesian: Sesar Baribis) is a geological feature located in the northern part of Java. [1] This fault, estimated to be 100 kilometers (62 miles) long, stretches from Purwakarta to Lebak Regency [2] and is a threat to the Jakarta metropolitan area because the fault is partially located within the metropolitan area itself.