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2016 Chiloé earthquake

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Earthquake in Chile
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2016 Chiloé earthquake
ShakeMap of the earthquake
UTC time2016-12-25 14:22:27
ISC event609939179
USGS-ANSSComCat
Local dateDecember 25, 2016 (2016-12-25)
Local time11:22 UTC-3
Magnitude7.6 Mw
Depth34.6 km (USGS)
Epicenter43°24′22″S 73°56′28″W / 43.406°S 73.941°W / -43.406; -73.941
TypeThrust fault
Max. intensityMMI VIII (Severe)
Tsunami0.44m (1.4ft)
Aftershocks> 30
CasualtiesNone

The 2016 Chiloé earthquake with a magnitude of Mww 7.6 struck 225 kilometres (140 mi) south-west of Puerto Montt in southern Chile at 11:22 local time, 25 December. The earthquake triggered a tsunami warning on coasts located up to 1,000 kilometres (620 mi) from the quake's epicentre, generating massive evacuation across the Greater Chiloé Island, after advice from the Chilean government. Although there was damage in some parts of the island, the government reported no casualties.

Earthquake

The earthquake occurred as a result of shallow thrust faulting in southern Chile. At the location of the earthquake, the oceanic Nazca plate converges with and subducts beneath the South America plate in an east-northeast direction, at a rate of approximately 73 mm/yr. The location, depth and shallow thrusting focal mechanism solution all indicate this earthquake likely occurred on the subduction zone interface.

Tsunami

A tsunami with a maximum height of 0.44 m (1.4 ft) was observed on Chiloé Island.

See also

References

  1. ^ "M7.6 – 39 km SSW of Puerto Quellón, Chile". United States Geological Survey. Retrieved December 25, 2016.
  2. ^ "Chile earthquake triggers tsunami warning". BBC News. 25 December 2016. Retrieved 25 December 2016.
  3. "M 7.6 – 41 km SW of Puerto Quellon, Chile --- Focal mechanism solution". United States Geological Survey.
  4. "Tsunami Event: CHILOE, CHILE". ngdc.noaa.com.

External links

← Earthquakes in 2016 →
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December
  • † indicates earthquake resulting in at least 30 deaths
  • ‡ indicates the deadliest earthquake of the year
  • Dates for all earthquakes are in UTC
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