GR
Geothermal Radar Subsurface Intelligence
Regional Assessment Hub

Asia-Pacific

Regional screening synthesis across 64 jurisdictions. Comprehensive comparative rankings for prospective land share, thermal stored energy, and transmission infrastructure.

Assessed Areas in Region
64
Countries & Regional AOIs
Regional Stored Heat (3-7 km)
12 844 ZJ
Total in-place thermal volume
Average Geothermal Gradient
50.6 °C/km
Surface to 5 km average

Regional Comparative Leaderboard

Ranked by Prospective Area %
Jurisdiction ≥185°C at 5.5km Depth to 200°C Peak 5km Temp Gradient Stored Heat Report
1. China (Yunnan Province) (CN-YN) 85.7% 2.8 km 268°C 35.7 °C/km 467.9 ZJ View →
2. Kiribati (KI) 65.3% 2.9 km 339.1°C 54 °C/km 84.4 ZJ View →
3. Tuvalu (TV) 65% 2.3 km 348.3°C 53.3 °C/km 171.2 ZJ View →
4. Marshall Islands (MH) 57.7% 1.6 km 318.6°C 73.5 °C/km 42.1 ZJ View →
5. French Polynesia (PF) 54.1% 1.7 km 329.2°C 52.5 °C/km 148.5 ZJ View →
6. Japan (Hokkaido Volcanic Arc) (JP-01) 51.4% 2.7 km 310.5°C 64.4 °C/km 31 ZJ View →
7. Norfolk Island (NF) 50.7% 2.5 km 288.6°C 57.5 °C/km 68.9 ZJ View →
8. Thailand (TH) 50% 2.81 km 253°C 31 °C/km 513.6 ZJ View →
9. Niue (NU) 49.2% 1.8 km 309.8°C 70.2 °C/km 182.8 ZJ View →
10. Guam (GU) 48.3% 2.1 km 338.7°C 51.8 °C/km 72.4 ZJ View →
11. Wallis and Futuna (WF) 48.3% 1.9 km 297.9°C 59.8 °C/km 52.1 ZJ View →
12. Timor-Leste (TL) 48% 2.6 km 306.7°C 54.4 °C/km 94.3 ZJ View →
13. Indonesia (Sumatra Arc) (ID-SM) 47.7% 1.9 km 307.2°C 53.4 °C/km 251.9 ZJ View →
14. New Zealand (North Island) (NZ-N) 46.1% 2.8 km 286.7°C 50.5 °C/km 57.1 ZJ View →
15. Nauru (NR) 45.3% 3 km 335.4°C 64.4 °C/km 214.5 ZJ View →
16. Maldives (MV) 44.9% 1.7 km 318.7°C 59.3 °C/km 59.2 ZJ View →
17. Japan (JP) 44.8% 2.9 km 324.2°C 59.9 °C/km 243.6 ZJ View →
18. Papua New Guinea (PG) 44.4% 3.5 km 273.9°C 58.1 °C/km 198.9 ZJ View →
19. New Zealand (Taupo Volcanic Zone) (NZ-TVZ) 44.4% 3.2 km 336.5°C 54.2 °C/km 99.2 ZJ View →
20. Tonga (TO) 43.3% 3.2 km 292.6°C 56.3 °C/km 130.1 ZJ View →
21. Cook Islands (CK) 43.1% 2 km 293°C 52.9 °C/km 44.6 ZJ View →
22. New Zealand (South Island) (NZ-S) 42.9% 1.9 km 273.9°C 60.8 °C/km 76.2 ZJ View →
23. Japan (Kyushu) (JP-40) 42.2% 2.2 km 275.3°C 54.8 °C/km 16.2 ZJ View →
24. Micronesia (FM) 42% 2.8 km 329.2°C 58 °C/km 145 ZJ View →
25. American Samoa (AS) 41.1% 2.2 km 305.9°C 56.9 °C/km 81 ZJ View →
26. Japan (Tohoku) (JP-02) 41% 2.9 km 282.1°C 58.8 °C/km 46.6 ZJ View →
27. Taiwan (Eastern Longitudinal Valley) (TW-ER) 40.3% 3.5 km 309.5°C 53.7 °C/km 91.8 ZJ View →
28. Indonesia (North Sulawesi Arc) (ID-SA) 39.8% 3.5 km 324.3°C 50.4 °C/km 104.8 ZJ View →
29. New Zealand (NZ) 39.6% 3.1 km 331.8°C 57.8 °C/km 103.7 ZJ View →
30. Tokelau (TK) 38.6% 3.1 km 297.6°C 68.6 °C/km 202.2 ZJ View →
31. Fiji (FJ) 38.1% 2.9 km 270.7°C 56.3 °C/km 11 ZJ View →
32. Vanuatu (VU) 36.2% 2.4 km 296.9°C 62.5 °C/km 102.9 ZJ View →
33. Solomon Islands (SB) 35.9% 3 km 287.4°C 53.5 °C/km 21.4 ZJ View →
34. Indonesia (ID) 35.2% 3.5 km 272.5°C 63.7 °C/km 1115 ZJ View →
35. Taiwan (TW) 34.4% 2.8 km 337°C 62.2 °C/km 14.4 ZJ View →
36. Philippines (PH) 33.5% 2.6 km 273.8°C 57.2 °C/km 171.2 ZJ View →
37. Pitcairn (PN) 33.5% 3.2 km 293.4°C 59 °C/km 105.9 ZJ View →
38. Cocos Islands (CC) 32.4% 2.6 km 351.1°C 69.5 °C/km 199.7 ZJ View →
39. Christmas Island (CX) 31% 3.5 km 277.2°C 48.9 °C/km 74.7 ZJ View →
40. Samoa (WS) 30.8% 3 km 316.7°C 63.8 °C/km 32.5 ZJ View →
41. Indonesia (Java Arc) (ID-JV) 30.5% 3.2 km 327°C 51.9 °C/km 53.6 ZJ View →
42. Philippines (Visayas Geothermal Belt) (PH-06) 30% 2.3 km 285.9°C 56.2 °C/km 26.3 ZJ View →
43. Philippines (Luzon Volcanic Arc) (PH-00) 28.2% 2.8 km 271.3°C 61 °C/km 72.9 ZJ View →
44. Palau (PW) 28% 2.7 km 291.5°C 56.1 °C/km 100.2 ZJ View →
45. Laos (LA) 21.3% 4.6 km 235.5°C 42 °C/km 54.5 ZJ View →
46. Bhutan (BT) 21.2% 4.8 km 212.9°C 40.9 °C/km 14.2 ZJ View →
47. Nepal (NP) 19.6% 4.9 km 204.3°C 41.8 °C/km 62.1 ZJ View →
48. Thailand (Fang Valley) (TH-FA) 18.9% 4.5 km 242.2°C 34.5 °C/km 77.4 ZJ View →
49. Mongolia (MN) 18.5% 4.9 km 198.6°C 43.2 °C/km 484.4 ZJ View →
50. Cambodia (KH) 16% 5.4 km 195.7°C 29.4 °C/km 42.3 ZJ View →
51. Australia (AU) 15% 5.2 km 221.4°C 40.7 °C/km 2147.9 ZJ View →
52. Thailand (San Kamphaeng Basin) (TH-SK) 14.5% 4.3 km 225.4°C 38.1 °C/km 27.6 ZJ View →
53. South Korea (KR) 14.1% 4 km 208.6°C 40 °C/km 32 ZJ View →
54. Pakistan (PK) 14% 6.1 km 169.2°C 33.4 °C/km 299 ZJ View →
55. Australia (Cooper Basin) (AU-CB) 13.8% 4.1 km 195.8°C 37.3 °C/km 41.2 ZJ View →
56. Malaysia (MY) 13.7% 5 km 182.4°C 34.5 °C/km 111.6 ZJ View →
57. Vietnam (VN) 12.8% 5.1 km 241.4°C 43.6 °C/km 129.8 ZJ View →
58. Myanmar (MM) 12.7% 5.1 km 206°C 41.2 °C/km 206.4 ZJ View →
59. India (IN) 10.1% 4.9 km 172°C 38 °C/km 897.8 ZJ View →
60. Bangladesh (BD) 10.1% 5.7 km 181.8°C 35.8 °C/km 25.3 ZJ View →
61. Brunei (BN) 8.8% 5.7 km 182.5°C 32.9 °C/km 16.2 ZJ View →
62. China (CN) 6.1% 4.9 km 206.5°C 33 °C/km 1931.2 ZJ View →
63. Sri Lanka (LK) 2.4% 7.2 km 143.7°C 24.9 °C/km 12.8 ZJ View →
64. New Caledonia (NC) 1.6% 6.7 km 161.4°C 23.3 °C/km 33.2 ZJ View →

All Reports in Asia-Pacific

Thailand TH

Central-case models place 185 °C within 5.5 km of the surface beneath around half of Thailand, and 200 °C is reached as shallow as 2.81 km somewhere in the country.

50% ≥185°C 513.6 ZJ Stored
Indonesia ID

Geothermal screening assessment identifies 35.2% prospective land reaching 185°C by 5.5 km depth in Indonesia.

35.2% ≥185°C 1115 ZJ Stored
Japan JP

Geothermal screening assessment identifies 44.8% prospective land reaching 185°C by 5.5 km depth in Japan.

44.8% ≥185°C 243.6 ZJ Stored
Philippines PH

Geothermal screening assessment identifies 33.5% prospective land reaching 185°C by 5.5 km depth in Philippines.

33.5% ≥185°C 171.2 ZJ Stored
New Zealand NZ

Geothermal screening assessment identifies 39.6% prospective land reaching 185°C by 5.5 km depth in New Zealand.

39.6% ≥185°C 103.7 ZJ Stored
Australia AU

Geothermal screening assessment identifies 15% prospective land reaching 185°C by 5.5 km depth in Australia.

15% ≥185°C 2147.9 ZJ Stored
China CN

Geothermal screening assessment identifies 6.1% prospective land reaching 185°C by 5.5 km depth in China.

6.1% ≥185°C 1931.2 ZJ Stored
India IN

Geothermal screening assessment identifies 10.1% prospective land reaching 185°C by 5.5 km depth in India.

10.1% ≥185°C 897.8 ZJ Stored
South Korea KR

Geothermal screening assessment identifies 14.1% prospective land reaching 185°C by 5.5 km depth in South Korea.

14.1% ≥185°C 32 ZJ Stored
Vietnam VN

Geothermal screening assessment identifies 12.8% prospective land reaching 185°C by 5.5 km depth in Vietnam.

12.8% ≥185°C 129.8 ZJ Stored
Malaysia MY

Geothermal screening assessment identifies 13.7% prospective land reaching 185°C by 5.5 km depth in Malaysia.

13.7% ≥185°C 111.6 ZJ Stored
Papua New Guinea PG

Geothermal screening assessment identifies 44.4% prospective land reaching 185°C by 5.5 km depth in Papua New Guinea.

44.4% ≥185°C 198.9 ZJ Stored
Taiwan TW

Geothermal screening assessment identifies 34.4% prospective land reaching 185°C by 5.5 km depth in Taiwan.

34.4% ≥185°C 14.4 ZJ Stored
Bangladesh BD

Geothermal screening assessment identifies 10.1% prospective land reaching 185°C by 5.5 km depth in Bangladesh.

10.1% ≥185°C 25.3 ZJ Stored
Bhutan BT

Geothermal screening assessment identifies 21.2% prospective land reaching 185°C by 5.5 km depth in Bhutan.

21.2% ≥185°C 14.2 ZJ Stored
Brunei BN

Geothermal screening assessment identifies 8.8% prospective land reaching 185°C by 5.5 km depth in Brunei.

8.8% ≥185°C 16.2 ZJ Stored
Cambodia KH

Geothermal screening assessment identifies 16% prospective land reaching 185°C by 5.5 km depth in Cambodia.

16% ≥185°C 42.3 ZJ Stored
Fiji FJ

Geothermal screening assessment identifies 38.1% prospective land reaching 185°C by 5.5 km depth in Fiji.

38.1% ≥185°C 11 ZJ Stored
Laos LA

Geothermal screening assessment identifies 21.3% prospective land reaching 185°C by 5.5 km depth in Laos.

21.3% ≥185°C 54.5 ZJ Stored
Maldives MV

Geothermal screening assessment identifies 44.9% prospective land reaching 185°C by 5.5 km depth in Maldives.

44.9% ≥185°C 59.2 ZJ Stored
Mongolia MN

Geothermal screening assessment identifies 18.5% prospective land reaching 185°C by 5.5 km depth in Mongolia.

18.5% ≥185°C 484.4 ZJ Stored
Myanmar MM

Geothermal screening assessment identifies 12.7% prospective land reaching 185°C by 5.5 km depth in Myanmar.

12.7% ≥185°C 206.4 ZJ Stored
Nepal NP

Geothermal screening assessment identifies 19.6% prospective land reaching 185°C by 5.5 km depth in Nepal.

19.6% ≥185°C 62.1 ZJ Stored
Pakistan PK

Geothermal screening assessment identifies 14% prospective land reaching 185°C by 5.5 km depth in Pakistan.

14% ≥185°C 299 ZJ Stored
Solomon Islands SB

Geothermal screening assessment identifies 35.9% prospective land reaching 185°C by 5.5 km depth in Solomon Islands.

35.9% ≥185°C 21.4 ZJ Stored
Sri Lanka LK

Geothermal screening assessment identifies 2.4% prospective land reaching 185°C by 5.5 km depth in Sri Lanka.

2.4% ≥185°C 12.8 ZJ Stored
Timor-Leste TL

Geothermal screening assessment identifies 48% prospective land reaching 185°C by 5.5 km depth in Timor-Leste.

48% ≥185°C 94.3 ZJ Stored
Tokelau TK

Geothermal screening assessment identifies 38.6% prospective land reaching 185°C by 5.5 km depth in Tokelau.

38.6% ≥185°C 202.2 ZJ Stored
Tonga TO

Geothermal screening assessment identifies 43.3% prospective land reaching 185°C by 5.5 km depth in Tonga.

43.3% ≥185°C 130.1 ZJ Stored
Vanuatu VU

Geothermal screening assessment identifies 36.2% prospective land reaching 185°C by 5.5 km depth in Vanuatu.

36.2% ≥185°C 102.9 ZJ Stored
China (Yunnan Province) CN-YN

High-resolution 3D simulation identifies 85.7% prospective area reaching 185°C by 5.5 km depth in China (Yunnan Province).

85.7% ≥185°C 467.9 ZJ Stored
Indonesia (Sumatra Arc) ID-SM

Geothermal screening assessment identifies 47.7% prospective land reaching 185°C by 5.5 km depth in Indonesia (Sumatra Arc).

47.7% ≥185°C 251.9 ZJ Stored
Indonesia (Java Arc) ID-JV

Geothermal screening assessment identifies 30.5% prospective land reaching 185°C by 5.5 km depth in Indonesia (Java Arc).

30.5% ≥185°C 53.6 ZJ Stored
Japan (Tohoku) JP-02

Geothermal screening assessment identifies 41% prospective land reaching 185°C by 5.5 km depth in Japan (Tohoku).

41% ≥185°C 46.6 ZJ Stored
Japan (Kyushu) JP-40

Geothermal screening assessment identifies 42.2% prospective land reaching 185°C by 5.5 km depth in Japan (Kyushu).

42.2% ≥185°C 16.2 ZJ Stored
New Zealand (Taupo Volcanic Zone) NZ-TVZ

Geothermal screening assessment identifies 44.4% prospective land reaching 185°C by 5.5 km depth in New Zealand (Taupo Volcanic Zone).

44.4% ≥185°C 99.2 ZJ Stored
Guam GU

Geothermal screening assessment identifies 48.3% prospective land reaching 185°C by 5.5 km depth in Guam.

48.3% ≥185°C 72.4 ZJ Stored
New Caledonia NC

Geothermal screening assessment identifies 1.6% prospective land reaching 185°C by 5.5 km depth in New Caledonia.

1.6% ≥185°C 33.2 ZJ Stored
French Polynesia PF

Geothermal screening assessment identifies 54.1% prospective land reaching 185°C by 5.5 km depth in French Polynesia.

54.1% ≥185°C 148.5 ZJ Stored
Samoa WS

Geothermal screening assessment identifies 30.8% prospective land reaching 185°C by 5.5 km depth in Samoa.

30.8% ≥185°C 32.5 ZJ Stored
American Samoa AS

Geothermal screening assessment identifies 41.1% prospective land reaching 185°C by 5.5 km depth in American Samoa.

41.1% ≥185°C 81 ZJ Stored
Kiribati KI

Geothermal screening assessment identifies 65.3% prospective land reaching 185°C by 5.5 km depth in Kiribati.

65.3% ≥185°C 84.4 ZJ Stored
Micronesia FM

Geothermal screening assessment identifies 42% prospective land reaching 185°C by 5.5 km depth in Micronesia.

42% ≥185°C 145 ZJ Stored
Marshall Islands MH

Geothermal screening assessment identifies 57.7% prospective land reaching 185°C by 5.5 km depth in Marshall Islands.

57.7% ≥185°C 42.1 ZJ Stored
Palau PW

Geothermal screening assessment identifies 28% prospective land reaching 185°C by 5.5 km depth in Palau.

28% ≥185°C 100.2 ZJ Stored
Nauru NR

Geothermal screening assessment identifies 45.3% prospective land reaching 185°C by 5.5 km depth in Nauru.

45.3% ≥185°C 214.5 ZJ Stored
Tuvalu TV

Geothermal screening assessment identifies 65% prospective land reaching 185°C by 5.5 km depth in Tuvalu.

65% ≥185°C 171.2 ZJ Stored
Cook Islands CK

Geothermal screening assessment identifies 43.1% prospective land reaching 185°C by 5.5 km depth in Cook Islands.

43.1% ≥185°C 44.6 ZJ Stored
Niue NU

Geothermal screening assessment identifies 49.2% prospective land reaching 185°C by 5.5 km depth in Niue.

49.2% ≥185°C 182.8 ZJ Stored
Wallis and Futuna WF

Geothermal screening assessment identifies 48.3% prospective land reaching 185°C by 5.5 km depth in Wallis and Futuna.

48.3% ≥185°C 52.1 ZJ Stored
Norfolk Island NF

Geothermal screening assessment identifies 50.7% prospective land reaching 185°C by 5.5 km depth in Norfolk Island.

50.7% ≥185°C 68.9 ZJ Stored
Christmas Island CX

Geothermal screening assessment identifies 31% prospective land reaching 185°C by 5.5 km depth in Christmas Island.

31% ≥185°C 74.7 ZJ Stored
Cocos Islands CC

Geothermal screening assessment identifies 32.4% prospective land reaching 185°C by 5.5 km depth in Cocos Islands.

32.4% ≥185°C 199.7 ZJ Stored
Pitcairn PN

Geothermal screening assessment identifies 33.5% prospective land reaching 185°C by 5.5 km depth in Pitcairn.

33.5% ≥185°C 105.9 ZJ Stored
Taiwan (Eastern Longitudinal Valley) TW-ER

Geothermal screening assessment identifies 40.3% prospective land reaching 185°C by 5.5 km depth in Taiwan (Eastern Longitudinal Valley).

40.3% ≥185°C 91.8 ZJ Stored
New Zealand (North Island) NZ-N

Geothermal screening assessment identifies 46.1% prospective land reaching 185°C by 5.5 km depth in New Zealand (North Island).

46.1% ≥185°C 57.1 ZJ Stored
New Zealand (South Island) NZ-S

Geothermal screening assessment identifies 42.9% prospective land reaching 185°C by 5.5 km depth in New Zealand (South Island).

42.9% ≥185°C 76.2 ZJ Stored
Philippines (Luzon Volcanic Arc) PH-00

Geothermal screening assessment identifies 28.2% prospective land reaching 185°C by 5.5 km depth in Philippines (Luzon Volcanic Arc).

28.2% ≥185°C 72.9 ZJ Stored
Philippines (Visayas Geothermal Belt) PH-06

Geothermal screening assessment identifies 30% prospective land reaching 185°C by 5.5 km depth in Philippines (Visayas Geothermal Belt).

30% ≥185°C 26.3 ZJ Stored
Indonesia (North Sulawesi Arc) ID-SA

Geothermal screening assessment identifies 39.8% prospective land reaching 185°C by 5.5 km depth in Indonesia (North Sulawesi Arc).

39.8% ≥185°C 104.8 ZJ Stored
Japan (Hokkaido Volcanic Arc) JP-01

Geothermal screening assessment identifies 51.4% prospective land reaching 185°C by 5.5 km depth in Japan (Hokkaido Volcanic Arc).

51.4% ≥185°C 31 ZJ Stored
Australia (Cooper Basin) AU-CB

Geothermal screening assessment identifies 13.8% prospective land reaching 185°C by 5.5 km depth in Australia (Cooper Basin).

13.8% ≥185°C 41.2 ZJ Stored
Thailand (Fang Valley) TH-FA

Geothermal screening assessment identifies 18.9% prospective land reaching 185°C by 5.5 km depth in Thailand (Fang Valley).

18.9% ≥185°C 77.4 ZJ Stored
Thailand (San Kamphaeng Basin) TH-SK

Geothermal screening assessment identifies 14.5% prospective land reaching 185°C by 5.5 km depth in Thailand (San Kamphaeng Basin).

14.5% ≥185°C 27.6 ZJ Stored