| Magnitude | 6.8 |
| Date-Time | Monday, December 6, 2004 at 14:15:12 (UTC) = Coordinated Universal Time Monday, December 6, 2004 at 11:15:12 PM = local time at epicenter |
| Location | 42.908°N, 145.197°E |
| Depth | 36.8 km (22.9 miles) set by location program |
| Region | HOKKAIDO, JAPAN REGION |
| Distances | 65 km (40 miles) E of Kushiro, Hokkaido, Japan 245 km (155 miles) ESE of Asahikawa, Hokkaido, Japan 930 km (580 miles) NNE of TOKYO, Japan 7140 km (4440 miles) NE of MOSCOW, Russia |
| Location Uncertainty | horizontal +/- 4.6 km (2.9 miles); depth fixed by location program |
| Parameters | Nst=226, Nph=226, Dmin=489 km, Rmss=0.72 sec, Gp= 29°, M-type=moment magnitude (Mw), Version=8 |
| Source | USGS NEIC (WDCS-D) |
| Event ID | usrsas |
| Felt Reports | Power outages occurred and a 10 cm tsunami was recorded in the Kushiro area. Recorded (5U JMA) in the Kushiro area; (5L JMA) in the Obihiro area and in eastern Hokkaido; (4 JMA) in the Chitose- Tomakomai area and in south-central Hokkaido; (3 JMA) in southwestern and central Hokkaido; (2 JMA) in the Shibetsu area; (1 JMA) in northern Hokkaido. Also recorded (3 JMA) in Aomori and Miyagi; (2 JMA) in Akita, Iwate and Yamagata; (1 JMA) in Fukushima, Ibaraki, Niigata and Shizuoka Prefectures, Honshu. |