| Select A Country or Region | ||
| Afghanistan | Germany | Panama |
| Africa | Greece | Papua New Guinea |
| Algeria | Guam | Peru |
| Argentina | Guatemala | Philippines |
| Asia | Honduras | Poland |
| Australia | Hungary | Portugal |
| Austria | Iceland | Puerto Rico / Virgin Islands |
| Belgium | India | Romania |
| Bolivia | Indonesia | Russia |
| Brazil | Iran | South Africa |
| Bulgaria | Ireland | South America |
| Canada | Israel | Spain |
| Caribbean | Italy | Sweden |
| Chile | Japan | Switzerland |
| China | Malaysia | Taiwan |
| Colombia | Mexico | Turkey |
| Costa Rica | Middle East | United Kingdom |
| Czech Republic | Namibia | United States |
| Ecuador | Nepal | Venezuela |
| Egypt | Netherlands | Yugoslavia |
| El Salvador | New Zealand |
|
| Europe | Nicaragua | |
| Finland | Norway | |
| France | Pakistan | |
|
Up-To-Date Information Provided by the USGS |
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