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The earthquake occurred in a region within a faulting zone known as the Cotabato fault system, which is a seismically active region due to the presence of several active faults, including the NW-SE trending Makilala-Malungon, M'lang, North and South Columbio and Tangbulan faults, and the SW-NE trending Makilala and Balabag faults.
The first event is interpreted to have ruptured the M'lang Fault, the second the Makilala Fault, the third the Balabag Fault and the last the Makilala-Malungon Fault. The observed sequence of earthquakes rupturing orthogonal strike-slip fault sets has been compared to the 2019 Ridgecrest earthquake sequence. [9]
The maximum perceived shaking was VII on both the PEIS and MMS scales. This intensity was reached in Tulunan, Makilala, Kidapawan City, Digos, and Malungon. This earthquake was caused by movement on a different, but related, strike-slip fault to the October 16 event. [34] [35] Magnitude 6.6 [36]
The earthquake came from an area that produced a similar sequence of earthquakes in October 2019 and December 2019 [citation needed], within an active faulting zone known as the Cotabato fault system, which includes the NW-SE trending Makilala-Malungon, M'lang, North and South Columbio and Tangbulan faults, and the SW-NE trending Makilala and ...
The 1975 M w 7.6 earthquake was caused by intra-slab normal faulting, while the 2012 M7.6 was a result of thrust faulting within the descending slab. [ 3 ] The relatively young Cotabato Trench subduction zone has been associated with several large megathrust earthquakes, including the 1918 Celebes Sea earthquake (M8.3), the 1976 Moro Gulf ...
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 seismotomography imaging technique, [1] observations using space satellites from outer space, [2] artificial intelligence (AI)-based early earthquake warnings [3] – they rely mainly ...
That envisions a magnitude 7.8 earthquake that could result in 1,800 deaths and nearly 50,000 injuries — the deadliest quake in modern Southern California history. More than 1,000 of those ...
See also: Effect of the 2004 Indian Ocean earthquake on Malaysia: 2005-02-05 Celebes Sea: 7.1 III 2 No damage 2007-11-30–2008-05-25 Bukit Tinggi, Selangor–Pahang border 1.7–3.7 - - - Mildly felt and no damage. Twenty three earthquakes ranging from M w 1.7 to 3.7. Strike-slip earthquakes along reactivated portions of the 120 km (75 mi ...