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2015 Illapel earthquake

Coordinates: 31°34′12″S 71°39′14″W / 31.570°S 71.654°W / -31.570; -71.654 (earthquake)
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2015 Illapel earthquake
USGS ShakeMap of the earthquake
UTC time??
Magnitude8.3 Mw
Depth25.0 km (15.5 mi)
Epicenter31°34′12″S 71°39′14″W / 31.570°S 71.654°W / -31.570; -71.654 (earthquake)
Max. intensityVIII (Severe)
TsunamiYes
AftershocksFour of 6.0 Mw or higher
Casualties5 fatalities,[1] 20 injuries, 2 missing

The 2015 Illapel earthquake occurred 46 km (29 mi) offshore Illapel, Chile on September 16 at 19:54:33 Chile Standard Time with a moment magnitude of 8.3.[2][3] It was caused by thrust faulting along the Nazca and South American plates.[2] Four aftershocks have taken place so far.[4][5][6][7][8]

The Chilean government reported 5 casualties.[1] Another 20 people were injured. Tsunami watches, warnings, and advisories were issued in Ecuador, Peru, New Zealand, Fiji, Solomon Islands, Hawaii and California. A wave 4.5 m (15 ft) high was observed along the coast of Coquimbo and the cities of Coquimbo, Tongoy and Concón reported flooding.[1] Chilean authorities ordered the immediate evacuation of the coast due to tsunami risk.[9] The undersecretary for the ministry of the interior and public security reported that the evacuation affected one million people across the country.[1]

Illapel, an inland city of some 30,000 residents, was reported immediately to be without electricity or drinking water.[10] Tall buildings swayed and car alarms were set off in Buenos Aires, 1,110 km away.[1][11]

Chile is one of the most earthquake-prone countries of the planet.[12] In 2014, an 8.2-magnitude quake struck near the city of Iquique. In 2010, an 8.8-magnitude earthquake brought massive devastation to Central Chile, killing over 500 people and costing the country's economy an estimated US$15–30 billion.

References

  1. ^ a b c d e Safi, Michael. "Chile earthquake: massive 8.3 magnitude tremor strikes Santiago". the Guardian. Retrieved 2015-09-17.
  2. ^ a b c "M8.3 – 54km W of Illapel, Chile". USGS. Retrieved September 16, 2015.
  3. ^ "Strong quake shakes Chile capital, causing buildings to sway", Associated Press, September 16, 2015. Accessed Septebmer 16, 2015
  4. ^ "M8.3 – 46km W of Illapel, Chile". United States Geological Survey. September 16, 2015. Retrieved September 16, 2015.
  5. ^ "M6.3 – 71km W of Illapel, Chile". United States Geological Survey. Retrieved September 17, 2015.
  6. ^ "M6.1 – 44km WSW of Illapel, Chile". United States Geological Survey. Retrieved September 17, 2015.
  7. ^ "M6.2 – 70km W of Illapel, Chile". United States Geological Survey. Retrieved September 17, 2015.
  8. ^ "M6.4 – 25km W of Illapel, Chile". United States Geological Survey. Retrieved September 17, 2015.
  9. ^ Bonnefoy, Pascale; Romero, Simon (2015-09-16). "Chile Earthquake Strikes Coast, Forcing Residents to Evacuate". The New York Times. ISSN 0362-4331. Retrieved 2015-09-17.
  10. ^ "Tsunami warning after powerful earthquake hits Chile". Collie Mail. September 17, 2015. Retrieved September 17, 2015.
  11. ^ "Strong Chile earthquake sets off tsunami waves – BBC News". Retrieved 2015-09-17.
  12. ^ Doherty, Ben. "Tsunami warnings across Pacific after magnitude 8.3 earthquake hits Chile". the Guardian. Retrieved 2015-09-17.
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