| VII | 5.5 | 2009-11-06 08:49:53SALTA, ARGENTINA | 23.27° S | 64.34° W | 10km | 2 |
| I | 6.0 | 2009-11-05 09:43:21MACQUARIE ISLAND REGION | 52.32° S | 160.76° E | 10km | 2 |
| V | 5.6 | 2009-11-05 09:32:55TAIWAN | 23.61° N | 120.67° E | 12km | 3 |
| I | 4.0 | 2009-11-05 08:54:1913.9 miles SW of Kantishna | 63.36° N | 151.22° W | 5km | 1 |
| IV | 5.6 | 2009-11-05 07:12:32GULF OF ADEN | 12.08° N | 46.04° E | 10km | 2 |
| VI | 5.5 | 2009-11-05 04:17:18NEAR THE NORTH COAST OF PAPUA, INDONESIA | 2.64° S | 139.01° E | 52km | 1 |
| VI | 5.5 | 2009-11-04 21:56:10NORTHERN QINGHAI, CHINA | 37.68° N | 95.76° E | 10km | 1 |
| I | 5.9 | 2009-11-04 18:41:44AZORES ISLANDS REGION | 36.12° N | 33.89° W | 10km | 2 |
| IV | 5.5 | 2009-11-04 06:21:46MINDANAO, PHILIPPINES | 7.09° N | 126.55° E | 110km | 2 |
| I | 3.5 | 2009-11-04 02:16:5974.9 km (46.5 mi) WNW of Petrolia, CA | 40.46° N | 125.15° W | 0km | 1 |
| IV | 5.5 | 2009-11-03 18:03:53BONIN ISLANDS, JAPAN REGION | 26.27° N | 141.12° E | 87km | 1 |
| IV | 3.6 | 2009-11-03 10:56:299.4 mi W of Calexico, CA | 32.68° N | 115.66° W | 5km | 2 |
| IV | 3.8 | 2009-11-03 07:36:578.7 mi ESE of Ocotillo, CA | 32.7° N | 115.85° W | 1km | 1 |
| VII | 5.7 | 2009-11-03 05:25:11IONIAN SEA | 37.64° N | 20.7° E | 20km | 2 |
| IV | 4.0 | 2009-11-02 19:27:318.9 mi W of Calexico, CA | 32.65° N | 115.65° W | 6km | 1 |
| I | 6.2 | 2009-11-02 10:47:13SOUTH OF TONGA | 24.12° S | 175.14° W | 10km | 1 |
| I | 3.8 | 2009-11-02 04:56:0811.0 mi NE of Olancha, CA | 36.4° N | 117.88° W | 6km | 1 |
| IV | 3.6 | 2009-11-02 03:16:45SOUTHERN QUEBEC, CANADA | 46.11° N | 74.75° W | 4km | 1 |
| V | 5.8 | 2009-11-01 21:28:59TONGA | 15.48° S | 173.79° W | 108km | 2 |
| III | 3.0 | 2009-11-01 17:01:26EASTERN TENNESSEE | 35.14° N | 84.86° W | 24km | 3 |
| IV | 5.9 | 2009-10-31 19:09:52SANTA CRUZ ISLANDS | 11.41° S | 166.36° E | 139km | 1 |
| I | 4.4 | 2009-10-31 03:04:1919.7 miles E of Adak | 51.83° N | 176.2° W | 45km | 1 |
| VI | 6.8 | 2009-10-30 07:03:39RYUKYU ISLANDS, JAPAN | 29.19° N | 129.88° E | 35km | 2 |
| IV | 6.2 | 2009-10-29 17:44:31HINDU KUSH REGION, AFGHANISTAN | 36.43° N | 70.73° E | 206km | 3 |
| I | 4.1 | 2009-10-29 09:29:29143.8 miles E of Adak | 51.94° N | 173.28° W | 63km | 3 |
| V | 5.5 | 2009-10-29 01:34:02PAPUA, INDONESIA | 5.24° S | 140.41° E | 40km | 1 |
| V | 5.7 | 2009-10-28 23:56:40TONGA | 15.76° S | 173.35° W | 10km | 1 |
| I | 4.0 | 2009-10-27 10:50:3639.1 miles SSW of Dutch Harbor | 53.37° N | 166.89° W | 49km | 1 |
| VI | 5.6 | 2009-10-27 00:05:55MINDANAO, PHILIPPINES | 6.46° N | 124.7° E | 35km | 1 |
| I | 6.0 | 2009-10-27 00:04:46DRAKE PASSAGE | 59.98° S | 65.2° W | 10km | 2 |
| IV | 5.6 | 2009-10-25 17:47:49WESTERN AFGHANISTAN | 29.54° N | 63.82° E | 125km | 1 |
| I | 5.9 | 2009-10-25 07:53:51SOUTH OF THE FIJI ISLANDS | 23.1° S | 179.22° W | 410km | 2 |
| V | 5.6 | 2009-10-24 20:54:46SUMBAWA REGION, INDONESIA | 9.94° S | 118.73° E | 10km | 2 |
| V | 6.9 | 2009-10-24 14:40:44BANDA SEA | 6.14° S | 130.38° E | 134km | 2 |
| IV | 6.0 | 2009-10-23 15:14:13SANTA CRUZ ISLANDS | 12.21° S | 166.07° E | 35km | 1 |
| VI | 5.8 | 2009-10-23 11:15:28NEAR THE NORTH COAST OF PAPUA, INDONESIA | 0.88° S | 134.1° E | 35km | 2 |
| III | 4.8 | 2009-10-23 09:13:50HAWAII REGION, HAWAII | 18.88° N | 155.21° W | 32km | 2 |
| I | 5.0 | 2009-10-23 06:22:04113.0 miles WSW of Adak | 51.42° N | 179.19° W | 54km | 1 |
| IV | 6.2 | 2009-10-22 19:51:28HINDU KUSH REGION, AFGHANISTAN | 36.47° N | 70.93° E | 197km | 1 |
| IV | 5.9 | 2009-10-22 00:51:39SOUTH OF PANAMA | 6.78° N | 82.63° W | 12km | 2 |
| I | 4.2 | 2009-10-20 17:01:28107.2 miles E of Adak | 51.82° N | 174.15° W | 35km | 1 |
| IV | 5.9 | 2009-10-19 22:49:37SAMOA ISLANDS REGION | 15.33° S | 172.19° W | 10km | 2 |
| IV | 5.8 | 2009-10-19 07:41:42SAMOA ISLANDS REGION | 15.37° S | 172.94° W | 35km | 3 |
| IV | 5.6 | 2009-10-18 23:50:09MINDORO, PHILIPPINES | 13.68° N | 120.7° E | 143km | 1 |
| I | 5.1 | 2009-10-18 11:42:3444.3 miles WSW of Adak | 51.53° N | 177.53° W | 64km | 1 |
| VII | 5.6 | 2009-10-18 08:23:25SULAWESI, INDONESIA | 3.65° S | 123.23° E | 18km | 1 |
| IV | 5.9 | 2009-10-17 10:45:27SAMOA ISLANDS REGION | 16.33° S | 171.96° W | 10km | 1 |
| III | 3.5 | 2009-10-16 10:03:393.5 mi NNE of Beaumont, CA | 33.98° N | 116.96° W | 13km | 1 |
| VII | 6.1 | 2009-10-16 09:52:52SUNDA STRAIT, INDONESIA | 6.61° S | 105.18° E | 51km | 3 |
| I | 4.5 | 2009-10-15 22:33:4032.1 miles ESE of Adak | 51.7° N | 175.96° W | 33km | 1 |
| VII | 5.7 | 2009-10-15 18:33:35SULAWESI, INDONESIA | 3.66° S | 123.25° E | 10km | 2 |
| I | 6.0 | 2009-10-15 17:48:22GALAPAGOS TRIPLE JUNCTION REGION | 3.25° N | 103.83° W | 10km | 2 |
| V | 6.0 | 2009-10-15 12:11:18PAPUA, INDONESIA | 3.04° S | 139.5° E | 117km | 2 |
| I | 5.5 | 2009-10-15 03:34:28OFF THE COAST OF ECUADOR | 1.05° N | 85.27° W | 10km | 1 |
| I | 3.8 | 2009-10-14 18:33:07172.9 miles E of Coldfoot | 67.54° N | 143.72° W | 18km | 2 |
| IV | 6.3 | 2009-10-14 18:00:21SAMOA ISLANDS REGION | 14.95° S | 174.81° W | 10km | 2 |
| III | 3.7 | 2009-10-14 03:27:413.4 km (2.1 mi) NNE of Sunol, CA | 37.63° N | 121.88° W | 8km | 1 |
| I | 5.3 | 2009-10-13 20:21:5392.4 miles SSW of Dutch Harbor | 52.6° N | 167.11° W | 4km | 1 |
| I | 3.9 | 2009-10-13 13:03:3330.9 miles NNE of Paxson | 63.43° N | 145.04° W | 13km | 1 |
| V | 6.0 | 2009-10-13 11:38:05HALMAHERA, INDONESIA | 2.94° N | 128.22° E | 32km | 2 |
| IV | 5.7 | 2009-10-13 10:15:14KURIL ISLANDS | 44.63° N | 149.15° E | 46km | 4 |
| V | 4.2 | 2009-10-13 08:38:5235.3 mi SSE of Calexico, CA | 32.18° N | 115.32° W | 23km | 1 |
| I | 4.9 | 2009-10-13 05:37:2857.0 miles SSW of Dutch Harbor | 53.13° N | 167.07° W | 68km | 1 |
| IV | 5.7 | 2009-10-12 20:59:37VANUATU | 14.09° S | 166.39° E | 35km | 2 |
| V | 5.5 | 2009-10-12 12:44:41SANTA CRUZ ISLANDS | 11.76° S | 166.33° E | 70km | 1 |
| V | 6.2 | 2009-10-12 09:37:23SANTA CRUZ ISLANDS | 12.42° S | 166.49° E | 60km | 2 |
| I | 6.1 | 2009-10-12 03:15:46MAURITIUS - REUNION REGION | 17.17° S | 66.67° E | 10km | 2 |
| I | 4.0 | 2009-10-11 18:40:55187.5 miles WSW of Dutch Harbor | 52.64° N | 170.55° W | 23km | 1 |
| V | 5.7 | 2009-10-11 04:47:52VANUATU | 13.04° S | 166.15° E | 53km | 2 |
| I | 5.9 | 2009-10-11 03:12:13SOUTHEAST OF THE LOYALTY ISLANDS | 21.98° S | 170.23° E | 10km | 2 |
| I | 5.8 | 2009-10-10 21:24:41KURIL ISLANDS | 47.84° N | 152.48° E | 133km | 1 |
| V | 5.9 | 2009-10-10 19:41:23TONGA | 15.61° S | 173.12° W | 12km | 3 |
| V | 5.8 | 2009-10-10 14:25:17VANUATU | 14.22° S | 166.67° E | 48km | 1 |
| I | 5.5 | 2009-10-10 09:01:00CELEBES SEA | 3.85° N | 122.44° E | 593km | 1 |
| III | 3.5 | 2009-10-10 06:38:473.4 mi NW of Brawley, CA | 32.99° N | 115.58° W | 13km | 1 |
| V | 5.6 | 2009-10-09 22:49:59SOLOMON ISLANDS | 9.02° S | 157.85° E | 38km | 2 |
| VI | 5.5 | 2009-10-09 13:12:32VANUATU | 13.33° S | 166.46° E | 30km | 1 |
| IV | 5.5 | 2009-10-09 09:14:40SANTA CRUZ ISLANDS | 11.75° S | 165.85° E | 10km | 1 |
| II | 4.4 | 2009-10-09 04:25:0510.7 mi NE of Olancha, CA | 36.4° N | 117.87° W | 6km | 1 |
| IV | 5.7 | 2009-10-08 23:35:49SANTA CRUZ ISLANDS | 12.49° S | 166.55° E | 78km | 2 |
| V | 6.2 | 2009-10-08 21:16:12SANTA CRUZ ISLANDS | 12.88° S | 166.2° E | 11km | 2 |
| V | 6.5 | 2009-10-08 08:34:37SANTA CRUZ ISLANDS | 12.28° S | 166.45° E | 35km | 2 |
| VI | 6.8 | 2009-10-08 08:28:48VANUATU | 13.3° S | 165.95° E | 35km | 3 |
| I | 3.7 | 2009-10-08 03:31:1710.1 mi SE of San Clemente Is. (SE tip), CA | 32.73° N | 118.21° W | 0km | 1 |
| VI | 6.6 | 2009-10-08 02:12:39SANTA CRUZ ISLANDS | 11.65° S | 166.17° E | 35km | 2 |
| IV | 5.8 | 2009-10-08 01:59:20SANTA CRUZ ISLANDS | 11.92° S | 165.89° E | 35km | 1 |
| V | 5.7 | 2009-10-07 23:48:52VANUATU | 13.49° S | 166.41° E | 30km | 1 |
| VII | 7.3 | 2009-10-07 23:13:49VANUATU | 13.15° S | 166.3° E | 33km | 2 |
| IV | 7.3 | 2009-10-07 22:18:43VANUATU REGION | 13.68° S | 164.71° E | 35km | 1 |
| VII | 7.8 | 2009-10-07 22:18:26SANTA CRUZ ISLANDS | 12.55° S | 166.32° E | 35km | 2 |
| VII | 7.6 | 2009-10-07 22:03:15VANUATU | 13.05° S | 166.19° E | 35km | 2 |
| II | 6.8 | 2009-10-07 21:41:13CELEBES SEA | 4.07° N | 122.54° E | 574km | 2 |
| I | 5.8 | 2009-10-07 20:52:13EAST OF SEVERNAYA ZEMLYA | 81.52° N | 119.8° E | 10km | 2 |
| I | 5.6 | 2009-10-07 05:38:37RAT ISLANDS, ALEUTIAN ISLANDS, ALASKA | 52.23° N | 178.09° E | 141km | 1 |
| II | 4.1 | 2009-10-06 18:06:3412.8 mi NE of Olancha, CA | 36.42° N | 117.85° W | 0km | 1 |
| II | 5.4 | 2009-10-06 17:22:57OFF THE COAST OF JALISCO, MEXICO | 18.96° N | 107.44° W | 62km | 2 |
| I | 5.6 | 2009-10-06 01:59:39CENTRAL EAST PACIFIC RISE | 4.52° S | 104.91° W | 10km | 1 |
| I | 3.8 | 2009-10-05 10:31:2886.7 miles ENE of Sand Point | 55.59° N | 158.32° W | 22km | 1 |
| II | 6.6 | 2009-10-04 10:58:01MORO GULF, MINDANAO, PHILIPPINES | 6.72° N | 123.48° E | 631km | 1 |
| V | 5.5 | 2009-10-04 03:36:00NEAR THE NORTH COAST OF PAPUA, INDONESIA | 0.44° S | 133.02° E | 39km | 1 |
