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M8.2 earthquake, 2003 Tokachi-Oki Earthquake, 2003-09-25

MagnitudeM8.2mww

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Depth27 km

Time (UTC)2003-09-25 19:50

Rank in 20031 / 154among M6+

Rank since 190048 / 14,458

Energy vs an M6×1,738approx.

2003 Tokachi-Oki Earthquake · 41.81, 143.91

M5.5+ within 100 km in the next 30 days

Event	Time (UTC)	Depth	Place
M5.5 2003-09-25	2003-09-25 20:02	33 km	78 km SE of Obihiro, Japan
M5.6 2003-09-25	2003-09-25 20:10	33 km	122 km ESE of Shizunai-furukawach?, Japan
M5.7 2003-09-25	2003-09-25 20:57	33 km	124 km ESE of Shizunai-furukawach?, Japan
M5.5 2003-09-25	2003-09-25 21:02	33 km	130 km S of Kushiro, Japan
M7.4 2003-09-25	2003-09-25 21:08	33 km	119 km ESE of Shizunai-furukawach?, Japan
M5.6 2003-09-26	2003-09-26 02:35	33 km	108 km S of Kushiro, Japan
M5.9 2003-09-26	2003-09-26 06:26	33 km	94 km SSE of Kushiro, Japan
M6.0 2003-09-26	2003-09-26 20:38	33 km	110 km S of Kushiro, Japan
M6.5 2003-09-29	2003-09-29 02:36	25 km	58 km S of Kushiro, Japan
M5.5 2003-09-29	2003-09-29 14:22	33 km	103 km S of Kushiro, Japan
M5.6 2003-09-29	2003-09-29 21:22	33 km	175 km S of Kushiro, Japan
M5.5 2003-10-06	2003-10-06 19:26	33 km	85 km SSE of Kushiro, Japan
M5.9 2003-10-08	2003-10-08 13:32	33 km	87 km SSE of Kushiro, Japan
M5.8 2003-10-08	2003-10-08 23:15	33 km	88 km SSE of Kushiro, Japan
M5.6 2003-10-09	2003-10-09 06:52	33 km	134 km SE of Shizunai-furukawach?, Japan
M5.8 2003-10-11	2003-10-11 00:08	33 km	116 km S of Kushiro, Japan
M5.6 2003-10-11	2003-10-11 18:26	33 km	127 km ESE of Shizunai-furukawach?, Japan

M6.5+ within 300 km (largest first)

1933 M8.4M8.4

1968 M8.2M8.2

2003 M8.2M8.2

1952 M8.1M8.1

1960 M8.0M8.0

1931 M7.9M7.9

1968 M7.9M7.9

1994 M7.8M7.8

1919 M7.7M7.7

1973 M7.7M7.7

1993 M7.6M7.6

2025 M7.6M7.6

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.1 2002-10-14	2002-10-14 14:12	61 km	87 km E of Mutsu, Japan
M6.1 2002-08-24	2002-08-24 18:40	43 km	50 km ESE of Nemuro, Japan
M6.4 2001-08-13	2001-08-13 20:11	38 km	87 km ENE of Misawa, Japan
M6.0 2001-04-26	2001-04-26 17:48	86 km	37 km SE of Nemuro, Japan
M6.0 2000-11-13	2000-11-13 15:57	33 km	62 km SSE of Kushiro, Japan
M6.3 2000-10-03	2000-10-03 04:13	33 km	123 km NE of Miyako, Japan
M6.8 2000-01-28	2000-01-28 14:21	61 km	84 km S of Shikotan, Russia
M6.2 1999-05-12	1999-05-12 17:59	103 km	44 km W of Kushiro, Japan
M6.0 1998-05-14	1998-05-14 18:56	33 km	130 km ENE of Miyako, Japan
M6.1 1997-11-15	1997-11-15 07:05	161 km	19 km NNW of Shibetsu, Japan

Energy ratio uses the rule that one magnitude unit is about 32 times the energy. Magnitudes and locations are USGS values and can differ from national agencies. Older records are less complete and less precise.