the Red Puma site, coming out of Switzerland, also monitors the initial "after shock" (note times are only seconds apart)...but also note how different the "richter rating" is from the USGS.

this is TODAY (so far) according to Red Puma (same sizmos)
[link to www.seismo.ethz.ch]

19Feb2007 19:24:11.0 23.1S 70.5W 10 M =5.5 M*NEI NEAR COAST OF NORTHERN CHI1956

19Feb2007 15:13:24.5 4.2S 103.1E 80 mb=5.3 A*EMS SOUTHERN SUMATERA, INDONES1623
19Feb2007 15:13:18.1 4.2S 103.0E 33 mb=5.9 M*GSR SOUTHERN SUMATERA, INDONES1605
19Feb2007 15:13:19.7 4.4S 102.9E 30 M =5.5 M*NEI SOUTHERN SUMATERA, INDONES1600
19Feb2007 15:13:17.9 5.5S 102.2E 30 mb=5.4 M*ROM SOUTHERN SUMATERA, INDONES1546

19Feb2007 14:33:36.1 20.3S 173.0E 40 mb=5.3 A*EMS VANUATU ISLANDS REGION 1543
19Feb2007 14:33:35.5 20.0S 173.1E 33 mb=5.3 M*GSR VANUATU ISLANDS REGION 1536

19Feb2007 14:14:48.8 49.2N 28.4W 10 mb=5.3 M*GSR NORTHERN MID-ATLANTIC RIDG1532
19Feb2007 14:14:57.4 49.1N 27.4W 10 mb=4.8 *ROM NORTHERN MID-ATLANTIC RIDG1458
Signals recorded in Switzerland

19Feb2007 12:28:03.9 44.7N 148.9E 60 mb=3.7 M GSR KURIL ISLANDS 1524

19Feb2007 12:18:04.8 48.5N 154.5E 70 mb=3.6 M GSR KURIL ISLANDS 1442

19Feb2007 11:42:21.5 12.5N 141.6E 30 mb=5.3 A*EMS SOUTH OF MARIANA ISLANDS 1252
19Feb2007 11:42:21.2 12.5N 141.7E 33 mb=5.3 M*GSR SOUTH OF MARIANA ISLANDS 1237

19Feb2007 11:13:05.3 5.6N 126.4E 60 mb=5.5 A*EMS MINDANAO, PHILIPPINE ISLAN1222
19Feb2007 11:13:04.4 5.4N 126.2E 60 mb=5.8 M*GSR MINDANAO, PHILIPPINE ISLAN1157
19Feb2007 11:13:07.5 5.5N 126.3E 63 M =5.5 M*NEI MINDANAO, PHILIPPINE ISLAN1132

19Feb2007 10:51:32.1 47.7N 146.6E270 mb=2.9 M GSR NORTHWEST OF KURIL ISLANDS1410

19Feb2007 06:23:16.4 39.4N 22.1E 80 mb=3.5 M*GSR GREECE 1020
19Feb2007 06:23:11.6 39.9N 22.2E 10 MS=4.2 M*ROM GREECE 0656

19Feb2007 05:07:18.5 47.6N 156.1E 10 mb=3.6 M GSR EAST OF KURIL ISLANDS 0846

19Feb2007 04:21:42.7 49.1N 157.4E 60 mb=4.6 *ROM EAST OF KURIL ISLANDS 0636
19Feb2007 04:21:55.3 50.0N 155.5E140 mb=4.7 M*GSR KURIL ISLANDS 0536

19Feb2007 03:08:40.3 19.2S 168.8E 33 mb=4.8 A*EMS VANUATU ISLANDS 0457
19Feb2007 03:08:35.7 20.1S 169.3E 33 mb=5.3 M*GSR VANUATU ISLANDS 0451

19Feb2007 02:45:54.9 30.8N 56.9E 50 No Mag A*EMS NORTHERN IRAN 0452
19Feb2007 02:45:51.2 30.5N 57.0E 33 mb=4.7 M*GSR NORTHERN IRAN 0442

19Feb2007 02:33:43.3 1.8N 30.8E 33 mb=6.1 M*GSR UGANDA 0344
19Feb2007 02:33:44.8 1.8N 30.4E 30 mb=5.7 M*ROM UGANDA 0330
19Feb2007 02:33:44.2 1.8N 30.8E 25 M =5.7 M*NEI UGANDA 0253