Английская Википедия:1906 Ecuador–Colombia earthquake
Шаблон:Short description Шаблон:Infobox earthquake
The 1906 Ecuador–Colombia earthquake occurred at 10:36:10 (UTC+5) on Wednesday January 31, 1906 off the coast of Ecuador, near Esmeraldas. The earthquake had a moment magnitude of 8.8 and triggered a destructive tsunami that caused at least 500 casualties on the coast of Colombia.
Tectonic setting
The earthquake occurred along the boundary between the Malpelo Plate, formerly considered the northeastern part of the Nazca Plate, and the North Andes Plate. The earthquake is likely to be a result of thrust-faulting, caused by the subduction of the Coiba, Malpelo and Nazca Plates beneath the North Andes and South American Plates. The coastal parts of Ecuador and Colombia have a history of strong megathrust earthquakes originating from this Malpelo-North Andes plate boundary.
Damage
The greatest damage from the tsunami occurred on the coast between Río Verde, Ecuador and Micay, Colombia. Estimates of the number of deaths caused by the tsunami vary between 500 and 1,500.[1]
Characteristics
Earthquake
The rupture zone for this earthquake was Шаблон:Convert long, and encompassed those for the earthquakes of 1942 (Шаблон:M=7.8), 1958 (Шаблон:M=7.7) and 1979 (Шаблон:M=8.2). The lack of overlap between the three more recent events suggest the presence of minor barriers to rupture propagation along the plate boundary.[2][3] Although these three events ruptured the same area of the plate boundary overall, they released only a small fraction of the energy of the 1906 earthquake.[4]
Tsunami
The maximum recorded run-up height was Шаблон:Convert in Tumaco, Colombia. At Hilo, Hawaii a Шаблон:Convert run-up height was recorded for this event. The tsunami was also noted in Costa Rica, Panama, Mexico, California and Japan.[1]
Future seismic hazard
Because the sequence of three earthquakes that ended in 1979 did not release as much energy as the 1906 event, it has been suggested that an earthquake of similar magnitude to that in 1906 was likely in the near future. However, analysis of the amount of slip associated with the three later events suggest that they have released most of the accumulated displacement across the plate boundary since 1906.[4] On 16 April 2016, a magnitude 7.8 earthquake occurred in the same area.
See also
References
External links
Шаблон:Earthquakes in 1906 Шаблон:Earthquakes in Ecuador Шаблон:Earthquakes in Colombia Шаблон:Tectonism in Colombia
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