| Gaeta Bay Volcanic Field(expression, name, volcano, geology) |
| Gandom Beryan(expression, name, volcano, geology) |
| Gate Mountains(expression, name, volcano, geology) |
| Gertrude Creek(expression, name, volcano, geology) |
| Getsuyo Seamount(expression, name, volcano, geology) |
| Gharyan Volcanic Field(expression, name, volcano, geology) |
| Goose Nest(expression, name, volcano, geology) |
| Gora Desantnaya(expression, name, volcano, geology) |
| Gough Island(expression, name, volcano, geology) |
| Grand Bonhomme(expression, name, volcano, geology) |
| Guistepeque Volcanic Field(expression, name, volcano, geology) |
| Haleakala(noun, name, volcano, geology) |
| Haut Song Be(expression, name, volcano, geology) |
| Heart Peaks(expression, name, volcano, geology) |
| Heibei Plain(expression, name, volcano, geology) |
| Hime-shima Volcanic Group(expression, name, volcano, geology) |
| Hiva Oa(expression, name, volcano, geology) |
| Hogum Range(expression, name, volcano, geology) |
| Hoodoo Mountain(expression, name, volcano, geology) |
| Hualalai(noun, name, volcano, geology) |