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M7.9 earthquake, Japan, 1968-05-16

MagnitudeM7.9mw

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Depth31 km

Time (UTC)1968-05-16 10:39

Rank in 19682 / 159among M6+

Rank since 1900123 / 14,458

Energy vs an M6×708approx.

70 km S of Honchō, Japan · 41.50, 142.86

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

1993 M7.6M7.6

2025 M7.6M7.6

1901 M7.5M7.5

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.1 1968-05-16	1968-05-16 08:58	30 km	73 km SSW of Honchō, Japan
M6.1 1968-05-16	1968-05-16 06:36	42 km	114 km SSE of Honchō, Japan
M8.2 1968-05-16	1968-05-16 00:49	27 km	1968 Tokachi-Oki Earthquake
M6.7 1967-11-04	1967-11-04 14:30	15 km	16 km WNW of Teshikaga, 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

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.