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Large numbers of earthquakes of smaller magnitude occur very regularly due to the meeting of major tectonic plates in the region. Based on the records of the USGS, Indonesia has had more than 150 earthquakes with magnitude > 7 in the period 1901–2019.
The thrust faults responsible for megathrust earthquakes often lie at the bottom of oceanic trenches; in such cases, the earthquakes can abruptly displace the sea floor over a large area. As a result, megathrust earthquakes often generate tsunamis that are considerably more destructive than the earthquakes themselves.
Megathrust earthquakes in Sumatra (1 C, 7 P) Pages in category "Megathrust earthquakes in Indonesia" The following 8 pages are in this category, out of 8 total.
If it were an intraslab earthquake occurring within the downgoing Australian plate as it subducts beneath the Sunda plate along the Sunda megathrust, the estimated moment magnitude (M w ) would be 7.4 to 8.0, with an epicenter near Batavia, and a focal depth of 100 km. [4] Modelling of the 1699 earthquake scenarios show that an intraslab ...
Historical earthquakes is a list of significant earthquakes known to have occurred prior to the early 20th century. As the events listed here occurred before routine instrumental recordings — later followed by discoveries of Earth's tectonic plates, [1] seismotomography imaging technique, [2] observations using space satellites from outer space, [3] artificial intelligence (AI)-based ...
UTC time: 2010-10-25 14:42:22: ISC event: 15264887: USGS-ANSSComCat: Local date: 25 October 2010 (): Local time: 21:42:22: Magnitude: 7.8 M w: Depth: 12.8 miles (20.6 km) Epicenter: 1] [2]: Fault: Sunda megathrust: Type: Thrust fault: Areas affected: Indonesia: Max. intensity: MMI V (Moderate) [1]: Casualties: 408 dead + 303 missing [3]: The 2010 Mentawai earthquake occurred with a moment ...
The 1629 Banda Sea earthquake struck the Banda Sea, Indonesia on August 1. Its epicentre is believed to have been in the Seram Trough . A megathrust earthquake caused a 15 m (49 ft) tsunami, which was recorded to have affected the Banda Islands about 30 minutes after the quake.
The 1674 Ambon earthquake occurred on February 17 between 19:30 and 20:00 local time in the Maluku Islands. The resulting tsunami reached heights of up to 100 metres (330 ft) on Ambon Island killing over 2,000 individuals. It was the first detailed documentation of a tsunami in Indonesia and the largest ever recorded in the country. [1]