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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   228,702  
Africa   5,503  
Central America   2,417  
East Asia   22,895  
Japan   4,298  
Europe   64,666  
Middle East   9,280  
North America   107,032  
Canada   15,982  
Greenland   1  
Mexico   2,659  
United States   96,722  
North Asia   4,049  
Pacifica   5,783  
South America   7,582  
South Asia   3,559  
Southeast Asia   4,609  

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