Home › 1968

M8.2 earthquake, 1968 Tokachi-Oki Earthquake, 1968-05-16

MagnitudeM8.2mw

This page is updated only once a day and is not an alert service. For current earthquake and tsunami information, check the Japan Meteorological Agency, the USGS and your local authorities.

Depth27 km

Time (UTC)1968-05-16 00:49

Rank in 19681 / 159among M6+

Rank since 190040 / 14,458

Energy vs an M6×1,995approx.

1968 Tokachi-Oki Earthquake · 40.89, 143.36

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

1905 M7.7M7.7

1915 M7.6M7.6

1993 M7.6M7.6

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.3 1968-04-21	1968-04-21 08:34	25 km	138 km ESE of Kamaishi, Japan
M6.1 1967-09-19	1967-09-19 10:56	80 km	Hokkaido, Japan region
M6.0 1967-01-06	1967-01-06 00:04	37 km	49 km SSE of Hiroo, Japan
M6.1 1966-11-12	1966-11-12 12:49	32 km	102 km SE of Hiroo, Japan
M6.1 1965-06-13	1965-06-13 07:06	35 km	72 km SSE of Hiroo, Japan
M6.4 1965-03-29	1965-03-29 10:47	34 km	121 km ENE of Kuji, Japan
M6.4 1965-03-16	1965-03-16 16:46	35 km	121 km ENE of Kuji, Japan
M6.2 1964-01-10	1964-01-10 04:50	40 km	33 km S of Honchō, Japan
M6.0 1962-07-17	1962-07-17 17:20	50 km	52 km ESE of Kushiro, Japan
M6.3 1962-04-25	1962-04-25 15:47	35 km	134 km SE of ?funato, 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.