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M6.8 earthquake, Japan, 1958-04-07

MagnitudeM6.8mw

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.

Depth10 km

Time (UTC)1958-04-07 18:05

Rank in 195816 / 119among M6+

Rank since 19002597 / 14,458

Energy vs an M6×14approx.

off the east coast of Honshu, Japan · 38.30, 143.32

M6.5+ within 300 km (largest first)

2011 M9.1M9.1

1933 M8.4M8.4

1968 M8.2M8.2

1960 M8.0M8.0

1931 M7.9M7.9

2011 M7.9M7.9

1938 M7.8M7.8

1994 M7.8M7.8

1938 M7.7M7.7

1978 M7.7M7.7

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.1 1958-02-16	1958-02-16 06:04	35 km	77 km SSE of ?funato, Japan
M6.1 1956-11-21	1956-11-21 07:33	41 km	102 km E of Ishinomaki, Japan
M6.1 1956-02-10	1956-02-10 00:02	38 km	119 km ESE of Namie, Japan
M6.1 1955-06-14	1955-06-14 17:22	30 km	109 km ESE of Takahagi, Japan
M6.1 1955-06-04	1955-06-04 17:22	30 km	89 km ENE of Miyako, Japan
M6.2 1955-06-04	1955-06-04 16:51	36 km	120 km ENE of Miyako, Japan
M6.0 1955-05-06	1955-05-06 00:04	20 km	137 km ENE of Miyako, Japan
M6.1 1955-05-03	1955-05-03 17:07	25 km	129 km E of Miyako, Japan
M6.2 1955-05-01	1955-05-01 13:58	10 km	163 km E of Miyako, Japan
M6.6 1955-05-01	1955-05-01 09:55	10 km	154 km E of Miyako, 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.