Model sources were run on a regional grid.
| PACIFIC OCEAN grid (120°E-68°W x 74°S-62°N) |
| Aleutian-Alaska-Canada-Cascadia Source Zone (AC) |
196 |
| Central-South America Source Zone (CS) |
400 |
| East Philippines Source Zone (EP) |
53 |
| Kamchatskii-Bering Source Zone (KB) |
13 |
| Kamchatka-Kuril-Japan-Izu Bonin-Marianas-Yap Source Zone (KI) |
315 |
| Manus Ocean Convergence Boundary (MO) |
34 |
| New Britain-Solomons-Vanuatu Source Zone (NV) |
115 |
| New Zealand-Kermadec-Tonga Source Zone (NT) |
102 |
| North New Guniea Source Zone (NG) |
30 |
| Ryukuy-Kyushu-Nankai Source Zone (RN) |
64 |
| South New Zealand Source Zone (NZ) |
16 |
| SUB-TOTAL (PACIFIC OCEAN): |
1338 |
| INDIAN OCEAN grid (0°-160°E x 70°S-32°N) |
| Andaman-Nicobar-Sumatra Source Zone (IO) |
344 |
| Makran Source Zone (MK) |
20 |
| West Philippines Source Zone (WP) |
22 |
| SUBTOTAL (INDIAN OCEAN): |
386 |
| ATLANTIC OCEAN grid (105°W-20°E x 72°S-72°N) |
| Atlantic Source Zone (AT) |
214 |
| South Sandwich Source Zone (SS) |
44 |
| SUBTOTAL (ATLANTIC OCEAN): |
258 |