| Locality | Latitude | Longitude | Distance | Bearing |
| Volcano D, Tonga-Kermadec Arc, Pacific Ocean | 19° 26' 59" S | 174° 55' 0" W | 70.5km (43.8 miles) | |
| Hunga Tonga-Hunga Ha'apai, Ha'apai, Tonga | 20° 32' 49" S | 175° 23' 15" W | 90.6km (56.3 miles) | |
| Volcano A, Tonga-Kermadec Arc, Pacific Ocean | 20° 51' 35" S | 175° 33' 0" W | 126.3km (78.5 miles) | |
| Pili Quarry, Tongatapu Island, Tongatapu, Tonga | 21° 8' 44" S | 175° 11' 23" W | 132.1km (82.1 miles) | |
| Anahulu Cave, Tongatapu Island, Tongatapu, Tonga | 21° 12' 29" S | 175° 6' 13" W | 135.5km (84.2 miles) | |
| Malapo Quarries, Tongatapu Island, Tongatapu, Tonga | 21° 11' 5" S | 175° 11' 16" W | 136.0km (84.5 miles) | |
| Unamed quarry, Tongatapu Island, Tongatapu, Tonga | 21° 11' 5" S | 175° 11' 16" W | 136.0km (84.5 miles) | |
| Tafolo Quarry, Tongatapu Island, Tongatapu, Tonga | 21° 9' 44" S | 175° 15' 6" W | 136.4km (84.7 miles) | |
| Kahoua Quarry, Tongatapu Island, Tongatapu, Tonga | 21° 9' 36" S | 175° 15' 58" W | 136.8km (85.0 miles) | |
| Hauloto Quarry, Tongatapu Island, Tongatapu, Tonga | 21° 9' 48" S | 175° 15' 33" W | 136.8km (85.0 miles) | |
| Fangutave Caves, 'Eua, Tonga | 21° 17' 52" S | 174° 54' 58" W | 140.6km (87.3 miles) | |
| Kilo Moana vent field, Southern Lau Basin, Tonga | 20° 3' 15" S | 176° 7' 59" W | 149.7km (93.0 miles) | |
| Volcano No.1, Tonga-Kermadec Arc, Pacific Ocean | 21° 9' 7" S | 175° 44' 49" W | 164.0km (101.9 miles) | |
| ABE vent field, Southern Lau Basin, Tonga | 20° 45' 44" S | 176° 11' 25" W | 174.3km (108.3 miles) | |
| Southern Lau Basin, Tonga | 19° 0' 0" S | 176° 0' 0" W | 179.4km (111.5 miles) | |