| Gish Bar Patera(expression, activity, name, volcano) |
| Golovnin(noun, activity, name, volcano) |
| Gorely(noun, activity, name, volcano) |
| Grimsvotn(noun, activity, name, volcano) |
| Grozny Group(expression, activity, name, volcano) |
| Guallatiri(noun, activity, name, volcano) |
| Guguan(noun, activity, name, volcano) |
| Gunungapi Wetar(expression, activity, name, volcano) |
| Hachijo-jima(noun, activity, name, volcano) |
| Hainan Volcanic Field(expression, activity, name, volcano) |
| Harra es-Sawad(expression, activity, name, volcano) |
| Harra of Arhab(expression, activity, name, volcano) |
| Harras of Dhamar(expression, activity, name, volcano) |
| Hayes Volcano(expression, activity, name, volcano) |
| Hayli Gubbi(expression, activity, name, volcano) |
| Hekla(noun, activity, name, volcano) |
| Hengill(noun, activity, name, volcano) |
| Hiuchi(noun, activity, name, volcano) |
| Home Reef(expression, activity, name, volcano) |
| Hoodoo Mountain(expression, activity, name, volcano) |