2016 Ecuador earthquake
  Muisne
Quito
Guayaquil
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| Date | April 16, 2016 |
|---|---|
| Origin time | 23:58:37 UTC |
| Magnitude | 7.8 Mw |
| Depth | 20.6 km (12.8 mi) |
| Epicenter | 0°22′16″N 79°56′24″W / 0.371°N 79.940°W |
| Type | Thrust |
| Areas affected | Ecuador, Colombia, Peru |
| Max. intensity | VIII (Severe) |
| Foreshocks | 4.8 Mw |
| Aftershocks | 1,034 as of 07:50 ECT (12:50 UTC) April 28 |
| Casualties | 668 killed, 8 missing and 16,600 injured |
The 2016 Ecuador earthquake occurred on April 16 at 18:58:37 ECT with a moment magnitude of 7.8 and a maximum Mercalli intensity of VIII (Severe). The very large thrust earthquake was centered approximately 27 km (17 mi) from the towns of Muisne and Pedernales in a sparsely populated part of the country, and 170 km (110 mi) from the capital Quito, where it was felt strongly. Regions of Manta, Pedernales and Portoviejo accounted for over 75 percent of total casualties. Manta's central commercial shopping district Tarqui was completely destroyed. Widespread damage was caused across Manabi province, with structures hundreds of kilometres from the epicenter collapsing. At least 676 people were killed and 16,600 people injured.President Rafael Correa declared a state of emergency; 13,500 military personnel and police officers were dispatched for recovery operations.
Ecuador lies above the destructive plate boundary where the Nazca Plate is subducting beneath the South American Plate. The convergence rate between the plates in Ecuador is 61 millimetres (2.4 in) per year. The depth, location and focal mechanism of the earthquake are all consistent with rupture along the plate interface in the form of a megathrust earthquake. A major earthquake in 1906 ruptured the plate interface for at least 400 km immediately northeast of the 2016 event.
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