Today Earthquake 5.2 - 22 km SSW of Palora, Ecuador 2022-11-17 4:19:51

 5.2 - 22 km SSW of Palora, Ecuador

2022-11-17 04:19:51 (UTC)1.885°S 78.054°W140.6 km profundity

Managerial Locale

ISO

ECU

District

Morona Santiago

Country

Ecuador

Close by Spots

Palora, Morona-Santiago, Ecuador

22.6 km (14.1 mi) NNEPopulation: 6472

Puyo, Pastaza, Ecuador

45 km (27.9 mi) NPopulation: 24881

Macas, Morona-Santiago, Ecuador

47.7 km (29.6 mi) SPopulation: 23687

Riobamba, Chimborazo, Ecuador

70.2 km (43.6 mi) WNWPopulation: 124478

Guano, Chimborazo, Ecuador

71.3 km (44.3 mi) WNWPopulation: 12659

Distance and bearing from focal point to local spot.

Structural Outline

Seismotectonics of South America (Nazca Plate District)

The South American curve reaches out north of 7,000 km, from the Chilean edge triple intersection seaward of southern Chile to its convergence with the Panama crack zone, seaward of the southern shore of Panama in Focal America. The subducting Nazca plate and the South America plate, where the maritime outside layer the mantle underneath South America. The combination related with this subduction cycle is answerable for the inspire of the Andes Mountains, and for the dynamic volcanic chain present along quite a bit of this deformity front. South America plate, the Nazca plate moves somewhat north of eastwards at a rate fluctuating from roughly 80 mm/yr in the south to around 65 mm/yr in the north. Albeit the pace of subduction differs little along the whole circular segment, there are perplexing changes in the geologic cycles along the subduction zone that emphatically impact volcanic movement, crustal twisting, tremor age and event up and down the western edge of South America.

The greater part of the enormous tremors in South America are obliged to shallow profundities of 0 to 70 km coming about because of both crustal and interplate twisting. Crustal seismic tremors result from distortion and mountain working in the superseding South America plate and create quakes as profound as around 50 km. Interplate quakes happen because of slip along the plunging connection point between the Nazca and the South American plates. Interplate tremors in this district are successive and frequently huge, and happen between the profundities of around 10 and 60 km. Starting around 1900, various extent 8 or bigger seismic tremors have happened on this subduction zone interface that were trailed by crushing waves, including the 1960 M9.5 quake in southern Chile, the biggest instrumentally kept tremor on the planet. Other prominent shallow tidal wave producing seismic tremors incorporate the 1906 M8.Ecuador, the 1922 M8.5 tremor close to Coquimbo, Chile, the 2001 M8.4 Arequipa, Peru tremor, the 2007 M8.0 seismic tremor close to Pisco, Peru, and the 2010 M8.8 Maule, Chile seismic tremor found only more than the 1960 occasion.

Enormous transitional profundity seismic tremors (those happening between profundities of roughly 70 and 300 km) are generally restricted in size and spatial degree in South America, and happen inside the Nazca plate because of inside misshapening inside the subducting plate. These quakes by and large group underneath northern Chile and southwestern Bolivia, and less significantly underneath Ecuador, with profundities somewhere in the range of 110 and 130 km. The majority of these seismic tremors happen adjoining the curve in the shore among Peru and Chile. The latest huge halfway profundity seismic tremor in this area was the 2005 M7.8 Tarapaca, Chile quake.

Seismic tremors can likewise be created to profundities more prominent than 600 km because of proceeded with interior deformity of the subducting Nazca plate. Profound center quakes in South America are not seen from a profundity scope of roughly 300 to 500 km. All things considered, profound seismic tremors in this locale happen at profundities of 500 to 650 km and are amassed into two zones: one that runs underneath the Peru-Brazil line and another that reaches out from focal Bolivia to focal Argentina. These quakes for the most part don't show enormous sizes. An exemption for this was the 1994 Bolivian quake in northwestern Bolivia. This M8.2 quake happened at a profundity of 631 km, which was as of not long ago the biggest profound center seismic tremor instrumentally recorded (supplanted in May 2013 by Ocean of Okhotsk, Russia), and was felt broadly all through South and North America.

Subduction of the Nazca plate is mathematically intricate and influences the geography and seismicity of the western edge of South America. The middle profundity districts of the subducting Nazca plate can be divided into five areas in view of their point of subduction underneath the South America plate. Three portions are portrayed by steeply plunging subduction; the other two by close flat subduction. The Nazca plate underneath northern Ecuador, southern Peru to northern Chile, and southern Chile plummet into the mantle at points of 25° to 30°. Interestingly, the piece underneath southern Ecuador to focal Peru, and under focal Chile, is subducting at a shallow point of roughly 10° or less. In these locales of "level piece" subduction, the Nazca plate moves evenly for a few hundred kilometers prior to proceeding with its plunge into the mantle, and is shadowed by a lengthy zone of crustal seismicity in the overlying South America plate. Albeit the South America plate displays a chain of dynamic volcanism coming about because of the subduction and incomplete dissolving of the Nazca maritime lithosphere along the vast majority of the curve, these districts of gathered shallow subduction correspond with a shortfall of volcanic action