Asia
Afrika
Eropah
lain
Amerika Utara
Amerika Selatan
Australia
pulau hawaii, mid-Atlantik ridge
Indonesia, Iran, Russia, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Turkmenistan, Vietnam
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Andorra, Finland, France, Great Britain, Italy, Norway, Portugal, Spain, Sweden
Brazil, Chili, Kolumbia, uruguay, venezuela
New Zealand, Queensland, South Australia, Tasmania, Western Australia