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See Studies on Map

Map of All Studies on

Click on the map below to show a more detailed map (when available) or to search for studies (when a map is not available).
Map Legend

Region Name   Number of Studies
World   228,398  
Africa   5,488  
Central America   2,414  
East Asia   22,853  
Japan   4,295  
Europe   64,572  
Middle East   9,269  
North America   106,908  
Canada   15,964  
Greenland   1  
Mexico   2,657  
United States   96,612  
North Asia   4,045  
Pacifica   5,776  
South America   7,566  
South Asia   3,555  
Southeast Asia   4,603  

Click on a [region name] link to show a map of that region

Click on a [study count] link to see a list of studies in that region. Click on the Back button to return to this list and see studies in another region.

Studies with no locations are not included in the study counts or on the maps.

Studies with multiple locations are included in each region where the study has locations.

This page last reviewed in October 2015