8 Nov 03:45 UTC: First to report: USGS after 21 minutes. Women gather together and pray shortly after a powerfull earthquake hit the western coast of Sumatera in Banda Aceh on Wednesday, April 11, 2012. The location of the M w 8.6 2012 Indian Ocean earthquake (red star) relative to the study area (black square) is shown in the top right inset map. [1] The 11 April 2012 earthquake (M w 8.6) in the Indian Ocean, about 100 km west off the Sumatra subduction zone, is the largest intraplate strike‐slip earthquake in the known history. The main earthquake occurred with a magnitude of 8.6 Mw and was followed by a strong aftershock (8.2 Mw). w 8.6 Indian Ocean earthquake of 11 April 2012 occurred ~100–300km west of the Sunda megathrust (Figure 1). Unprecedented numbers of significant earthquakes have been triggered in recent Decembers. Please send questions and suggestions to ianfan0@gmail.com By Krista Mahr April 11, 2012. Send to Kindle. 2012 Indian Ocean earthquakes which struck on 11 April 2012 were followed by tsunami . Seismic waves from the 2012 M w 8.6 Indian Ocean earthquake trigger changes in elastic properties and the stress field in Japan. Remote earthquakes in the six days preceding (top) and the six days following (bottom) the M=8.6 main shock in the East Indian Ocean on April 11, 2012. Your quake experiences. 1 ). The 2012 east Indian Ocean earthquake that had a moment magnitude of 8.6 is the largest strike-slip event ever recorded. The 2012 east Indian Ocean earthquake that had a moment magnitude of 8.6 is the largest strike-slip event ever recorded. A survey was conducted of 557 households in the areas that received tsunami warnings following the Indian Ocean earthquakes on 11 April 2012. Our analysis of the main shock indicates that the rupture was a mixture of strike-slip and thrust faults, and significant vertical surface displacements were observed during the event. Interviews were carried out during the period of numerous aftershocks, which put residents in the region on high alert. 5.1 earthquake - Indian Ocean on Thu, 8 Nov 2012 07:24. Indian Ocean Earthquake and Tsunami Scare April 11 was a strange day. The first is whether strike-slip earthquakes promote triggering of moderate global aftershocks more than thrust sources. The region is regularly hit by earthquakes. Two hours later, it triggered another great earthquake of M w 8.2 in its vicinity. Strong mag. I found that the reason it occurred was based on alignments to the centre of ou Milky Way Galaxy. Both ruptured the Indian Ocean oceanic plate in the diffuse deformation zone between the Indian and Australian plate. The Profound Reach of the 11 April 2012 M 8.6 Indian Ocean Earthquake: Short-Term Global Triggering Followed by a Longer-Term Global Shadow by Fred F. Pollitz, Roland Bürgmann, Ross S. Stein, and Volkan Sevilgen Abstract The 11 April 2012 M 8.6 Indian Ocean earthquake was … The Mw=8.6 earthquake of April 11, 2012 broke this rule. In 2012, two extraordinary earthquakes with magnitudes greater than 8, occurred in the Wharton Basin The giant tectonic plate in the Indian Ocean between Australia and India is breaking apart, researchers have recently discovered. The main earthquake occurred with a magnitude of 8.6 Mw and was followed by a strong aftershock (8.2 Mw). Chaideer Mahyuddin / AFP / Getty Images. For this is the month when the Sun passes over… The EARS can be divided in two main branches—the Eastern Branch and the Western Branch (Fig. A survey was conducted of 557 households in the areas that received tsunami warnings following the Indian Ocean earthquakes on 11 April 2012. It is hypothesized that formal education can promote disaster preparedness because education enhances individual cognitive and learning skills, as well as access to information. On 11 April 2012, two earthquakes struck the Andaman-Sumatran region of the Indian Ocean. These global aftershocks were located along the four lobes of Love-wave radiation; all struck where the dynamic shear strain is calculated to exceed 10 −7 for at least 100 seconds during dynamic-wave passage. Here we show that the rate of occurrence of remote MM ≤ 7. In Malaysia, it was a last-minute public holiday for the coronation of the new king. Here, we exploit the sensitivity to water of the strength of olivine, the weakest and most abundant mineral in the upper mantle, and observations of the exceptionally large (moment magnitude 8.6) 2012 Indian Ocean earthquake to constrain the stratification of water content in the upper mantle. The 2012 east Indian Ocean earthquake that had a moment magnitude of 8.6 is the largest strike-slip event ever recorded. At magnitude 8.2 and 8.6, they were the biggest intraplate earthquakes ever observed on Earth. This earthquake was part of a sequence of large strike-slip earthquakes that started with a M w 7.2 foreshock 3months before the M w 8.6 main shock, and it was followed by a M w 8.2 aftershock 2h afterward [e.g., Duputel et al., 2012]. Thursday, April 12, 2012. According to scientists, a new plate boundary may be forming on the floor of the Indian Ocean in Wharton Basin as a result of the 2012 earthquake that shook the Andaman-Sumatra region. Cascading elastic perturbation in Japan due to the 2012 M w 8.6 Indian Ocean earthquake. A survey was conducted of 557 households in the areas that received tsunami warnings following the Indian Ocean earthquakes on 11 April 2012. These global aftershocks were located along the four lobes of Love-wave radiation; all struck where the dynamic shear strain is calculated to exceed 10 -7 for at least 100 seconds during dynamic-wave passage. The ionosphere response to the great intraplate Indian Ocean earthquake of April 11, 2012 (Mw 8.6) and its largest aftershock (Mw 8.2), is analysed using GPS aided Total Electron Content (TEC) measurements. Strong magnitude 5.1 earthquake at 10 km depth. By Andrew A. Delorey, Kevin Chao, Kazushige Obara, Paul A. Johnson. Biggest quake: 5.5 quake Indian Ocean, 23 km north of Pulau Sebuku Kecil Island, Lampung, Indonesia, 12 June 2012 05:59 GMT...Read More Filter by magnitude: all Share. The Indian Ocean tsunami of 2004 killed 170,000 people in Aceh alone and some ... 11 April 2012. The discovery was based on the study of seismic data recorded before, during and after the 2012 quakes and sea floor depth analysis by venturing into the ocean aboard a research vessel. Our analysis of the main shock The 2012 event is the only M$8.5 main-shockwithapredominantlystrike-slipmechanism(Table1).Astrike- The Indian Ocean Tsunami Warning system was set up, and functioned successfully for the 2012 Indian Ocean earthquakes; The Australian government sent ecological experts to the Maldives to help restore the marine environment; View the source on Github. Slow Slip Acceleration beneath Andaman Islands Triggered by the 11 April 2012 Indian Ocean Earthquakes east Indian Ocean earthquake and its association with the Love-wave radiation pattern raise a number of issues. The 11 April 2012 East Indian Ocean earthquake is unique because of its largest ever recorded aftershock. 5 warnings and numerous other quakes. Quake Data | Interactive map | User Reports | Aftershocks | Earlier quakes in same area. A massive earthquake struck off the coast of the Indonesian island of Sumatra on Wednesday afternoon, triggering a tsunami watch for the Indian Ocean, which was later canceled. Science Advances 16 Oct 2015: e1500468 . The 11 April earthquakes thus put people in the region on high alert and may have triggered preparedness actions among the residents. My hubby was back at home in Texas for business. After the Indian Ocean Earthquake and Tsunami of December 2004 I made a big discovery. Although the Mw 7.2 Recent studies, and evidence from seismic events such as the 2012 Indian Ocean earthquakes, suggest that the Indo-Australian Plate may have broken up into two or three separate plates due primarily to stresses induced by the collision of the Indo-Australian Plate with Eurasia along what later became the Himalayas, and that the Indian Plate and Australian Plate have been separate since at least. This earthquake was closely followed by an Mw=8.2 earthquake. Remote earthquakes in the six days preceding (top) and the six days following (bottom) the M=8.6 main shock in the East Indian Ocean on April 11, 2012. The Wharton Basin in the Indian Ocean is one of the most extensively deforming ocean basins, as confirmed by the occurrence of several very large earthquakes starting from January 12, 2012 with Mw 7.2 followed by the great earthquakes of April 11, 2012 with Mw 8.6 and Mw 8.2. Indian Ocean Earthquake: Asia Heeds Lessons of the Past as Tsunami Watch Is Lifted. The 11 April 2012 East Indian Ocean earthquake is unique because of its largest ever recorded aftershock. Read Later. The 2012 Indian Ocean Earthquake sequence, which was the largest intraplate earthquake in recorded history, yielded seismic moment of 1.2-1.3 × 10 22 N m and 0.2-0.3 × 10 22 N m for the main shock (Mw 8.6) and the after shock (Mw 8.2), respectively. Mw and was followed by a strong aftershock ( 8.2 Mw ) Texas for business 557 households in areas... 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