Andes- Deep Earthquakes and the Benioff Zone
Cochise College                                                                                        
Geology Home Page 
Geology Exploration Using Google Earth
The Andes Mountains in Detail
Roger Weller, geology instructor 
(
wellerr@cochise.edu )

last edited:  1/28/17    5 views

earthquakes greater than 100 kilometers in depth along the
northern Andes Mountains
date of volcanoes: Oct.30, 2016 to Jan28, 2017 

latitude:   -3.871   longitude:   -74.678
photo credits:  Google Earth, Landsat/Copernicus, US Dept. of State Geographer, SIO, NOAA,
US Navy, NGA, GEBCO

earthquakes greater than 100 kilometers in depth along the
central Andes Mountains
date of volcanoes: Oct.30, 2016 to Jan28, 2017 

latitude:   -21.027   longitude:   -68.683
photo credits:  Google Earth, Landsat/Copernicus, US Dept. of State Geographer, SIO, NOAA,
US Navy, NGA, GEBCO

earthquakes greater than 100 kilometers in depth along the southern portion
of the central Andes Mountains
date of volcanoes: Oct.30, 2016 to Jan28, 2017 

latitude:   -27.419   longitude:   -66.838
photo credits:  Google Earth, Landsat/Copernicus, US Dept. of State Geographer, SIO, NOAA,
US Navy, NGA, GEBCO
 

The Benioff zone is defined by earthquakes occurring within the subducted
oceanic plate as it moves down into the Earth's mantle.


calculations of the slope angle of the Benioff zone using deep earthquakes and
the distance from the Peru-Chile Trench
Northern area

latitude:   -13.628   longitude:   -70.604
photo credits:  Google Earth, Landsat/Copernicus, SIO, NOAA, US Navy, NGA, GEBCO


calculations of the slope angle of the Benioff zone using deep earthquakes and
the distance from the Peru-Chile Trench
Southern area

latitude:   -25.626   longitude:   -64.856
photo credits:  Google Earth, Landsat/Copernicus, SIO, NOAA, US Navy, NGA, GEBCO

Just credit photos to Google Earth/R.Weller/Cochise College.
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