EMSC

European Mediterranean Seismological Centre

Earthquake MW 8.1 in Hokkaido, Japan, September 25th, 2003
To contribute to this special web page, please contact:
Remy Bossu : bossu[at]emsc-csem.org
Gilles Mazet-Roux : mazet[at]emsc-csem.org
Stephanie Godey : godey[at]emsc-csem.org

Source inversion of the very large Hokkaido earthquake.(26/09/03)
(M. Vallee, J. Vergoz, LDG)

Animation of the tsunami
(H. Hebert, LDG)

Preliminary report by Kawamata and Ashford (Univ. of California)

Main shock and aftershocks distribution (EMSC relocations)

Seismicity map of the region

DATE TIME LAT LON DEP MAG MOMENT TENSOR
2003/10/14 12:39:54.4 44.1N 142.7E 189 mb4.4 A MIX HOKKAIDO, JAPAN, REGION
2003/10/14 11:55:06.8 42.2N 143.7E 33G A MIX HOKKAIDO, JAPAN, REGION
2003/10/12 06:36:32.4 43.3N 144.3E 33G mb4.3 A MIX HOKKAIDO, JAPAN, REGION
2003/10/11 18:26:25.2 42.5N 143.6E 60 mb5.7 A MIX HOKKAIDO, JAPAN, REGION
2003/10/11 00:08:47.0 42.3N 144.3E 10G mb5.9 A MIX HOKKAIDO, JAPAN, REGION
2003/10/10 12:58:23.7 43.1N 144.6E 25 mb5.5 A MIX HOKKAIDO, JAPAN, REGION
2003/10/09 06:52:53.9 41.4N 143.4E 10G mb5.9 A MIX HOKKAIDO, JAPAN, REGION
2003/10/08 23:15:16.5 42.6N 144.7E 17 mb5.9 A MIX HOKKAIDO, JAPAN, REGION
2003/10/08 15:18:41.1 42.9N 144.0E 80 mb4.5 A MIX HOKKAIDO, JAPAN, REGION
2003/10/08 13:32:08.8 42.3N 144.5E 24 mb5.7 A MIX HOKKAIDO, JAPAN, REGION
2003/10/08 09:06:55.8 42.8N 144.6E 30 MW6.7 M INFO HOKKAIDO, JAPAN, REGION
2003/10/07 17:40:50.7 42.3N 144.5E 22 mb5.3 A MIX HOKKAIDO, JAPAN, REGION
2003/10/07 08:00:33.0 43.0N 144.7E 20 mb5.6 A MIX HOKKAIDO, JAPAN, REGION
2003/10/06 19:26:18.3 43.2N 144.6E 20 mb5.7 A MIX HOKKAIDO, JAPAN, REGION
2003/10/06 16:27:49.9 42.6N 142.5E 16 mb5.4 A MIX HOKKAIDO, JAPAN, REGION
2003/10/05 05:30:12.9 42.1N 144.0E 10G A MIX HOKKAIDO, JAPAN, REGION
2003/10/04 14:41:14.7 41.9N 142.0E 100 mb4.5 A MIX HOKKAIDO, JAPAN, REGION
2003/10/04 05:03:20.0 43.1N 144.2E 100 mb5.0 A MIX HOKKAIDO, JAPAN, REGION
2003/10/04 03:10:36.9 43.3N 145.1E 33G mb5.5 A MIX HOKKAIDO, JAPAN, REGION
2003/10/03 20:38:41.0 43.2N 143.4E 33G mb5.2 A MIX HOKKAIDO, JAPAN, REGION
2003/10/03 04:45:17.1 42.2N 143.3E 10G mb5.5 A MIX HOKKAIDO, JAPAN, REGION
2003/10/01 23:04:58.1 42.2N 143.1E 33G mb4.6 A MIX HOKKAIDO, JAPAN, REGION
2003/10/01 17:23:21.1 45.5N 141.0E 400 mb4.0 A MIX HOKKAIDO, JAPAN, REGION
2003/10/01 16:23:34.0 43.2N 144.1E 24 mb5.5 A MIX HOKKAIDO, JAPAN, REGION
2003/10/01 10:25:49.7 43.0N 144.0E 100 A MIX HOKKAIDO, JAPAN, REGION
2003/10/01 04:10:19.5 43.1N 142.9E 33G mb4.7 A MIX HOKKAIDO, JAPAN, REGION
2003/10/01 01:30:34.1 43.9N 144.0E 23 mb5.2 A MIX HOKKAIDO, JAPAN, REGION
2003/09/29 23:24:29.1 42.9N 144.3E 24 mb5.2 A MIX HOKKAIDO, JAPAN, REGION
2003/09/29 22:09:24.4 42.5N 143.9E 33G mb5.5 A MIX HOKKAIDO, JAPAN, REGION
2003/09/29 21:22:15.7 42.3N 143.8E 27 mb5.3 A MIX HOKKAIDO, JAPAN, REGION
2003/09/29 17:31:24.4 42.6N 143.8E 33G mb5.0 A MIX HOKKAIDO, JAPAN, REGION
2003/09/29 14:22:17.8 43.1N 144.2E 18 mb5.5 A MIX HOKKAIDO, JAPAN, REGION
2003/09/29 07:49:54.2 42.6N 144.0E 10G mb5.6 A MIX HOKKAIDO, JAPAN, REGION
2003/09/29 02:36:54.8 42.8N 144.8E 33 mb6.3 M CSEM HOKKAIDO, JAPAN, REGION
2003/09/28 21:29:52.8 43.8N 144.0E 33G mb4.7 A MIX HOKKAIDO, JAPAN, REGION
2003/09/28 20:59:54.5 43.2N 145.4E 20 mb5.4 A MIX HOKKAIDO, JAPAN, REGION
2003/09/28 16:50:54.8 41.8N 145.9E 21 mb5.5 A MIX HOKKAIDO, JAPAN, REGION
2003/09/28 14:13:56.7 43.4N 145.2E 23 mb5.3 A MIX HOKKAIDO, JAPAN, REGION
2003/09/28 04:17:54.4 43.0N 145.4E 33 mb5.7 M INFO HOKKAIDO, JAPAN, REGION
2003/09/28 00:23:09.5 43.2N 143.2E 19 mb5.1 A MIX HOKKAIDO, JAPAN, REGION
2003/09/27 23:04:44.5 43.3N 144.7E 33G mb4.8 A MIX HOKKAIDO, JAPAN, REGION
2003/09/27 22:23:16.2 42.2N 143.6E 20 mb5.3 A MIX HOKKAIDO, JAPAN, REGION
2003/09/27 16:07:43.5 43.3N 144.6E 33G mb4.9 A MIX HOKKAIDO, JAPAN, REGION
2003/09/27 10:50:34.4 43.9N 143.8E 22 mb4.4 A MIX HOKKAIDO, JAPAN, REGION
2003/09/27 08:06:21.7 43.9N 144.1E 21 mb5.4 A MIX HOKKAIDO, JAPAN, REGION
2003/09/27 02:14:00.0 41.3N 145.5E 33G A MIX HOKKAIDO, JAPAN, REGION
2003/09/26 22:11:46.6 44.3N 143.4E 33G mb4.7 A MIX HOKKAIDO, JAPAN, REGION
2003/09/26 20:38:23.8 42.5N 144.9E 33 mb6.0 M INFO HOKKAIDO, JAPAN, REGION
2003/09/26 10:10:51.6 41.6N 144.8E 10G mb4.6 A MIX HOKKAIDO, JAPAN, REGION
2003/09/26 06:26:58.0 42.6N 145.3E 33 mb6.2 M INFO HOKKAIDO, JAPAN, REGION
2003/09/26 03:51:44.1 42.7N 144.7E 80 mb5.5 A MIX HOKKAIDO, JAPAN, REGION
2003/09/26 03:29:05.2 41.9N 144.5E 33G mb5.5 A MIX HOKKAIDO, JAPAN, REGION
2003/09/26 02:35:15.5 42.6N 144.6E 33 mb5.9 M INFO HOKKAIDO, JAPAN, REGION
2003/09/26 01:39:09.4 41.8N 143.9E 10G mb4.5 A MIX HOKKAIDO, JAPAN, REGION
2003/09/25 23:11:44.7 43.9N 144.6E 15 mb5.3 A MIX HOKKAIDO, JAPAN, REGION
2003/09/25 22:24:41.0 43.4N 143.8E 33G mb5.3 A MIX HOKKAIDO, JAPAN, REGION
2003/09/25 22:20:18.5 42.0N 143.8E 20 mb5.8 M INFO HOKKAIDO, JAPAN, REGION
2003/09/25 21:08:00.0 41.9N 143.9E 33 mb6.5 M INFO HOKKAIDO, JAPAN, REGION
2003/09/25 20:57:15.6 42.2N 143.8E 33 mb5.9 M INFO HOKKAIDO, JAPAN, REGION
2003/09/25 20:10:06.9 42.8N 143.9E 33 mb5.8 M INFO HOKKAIDO, JAPAN, REGION
2003/09/25 19:50:05.9 42.3N 143.8E 10 MW8.1 M INFO HOKKAIDO, JAPAN, REGION

Cracks on the roads.(France Television)

Effects of the tsunami.(Reuters)

Special page of IISEE in Tsukuba

Special page of ERI (Tokyo, Japon)

More photos on Yahoo.com

For more details, see the Real Time Seismicity.
EMSC home page