Asia
Afrika
Eropah
lain
Amerika Utara
Amerika Selatan
Australia
pulau hawaii, mid-Atlantik ridge
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe
England, France, Germany, Spain, United Kingdom
Adelaide, New Zealand, Queensland, Victoria, Yorke Peninsula