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M6.5 earthquake, Japan, 1985-04-03

MagnitudeM6.5mw

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Depth469 km

Time (UTC)1985-04-03 20:21

Rank in 198536 / 160among M6+

Rank since 19004346 / 14,458

Energy vs an M6×6approx.

Bonin Islands, Japan region · 28.23, 139.53

M6.5+ within 300 km (largest first)

2015 M7.8M7.8

1984 M7.4M7.4

2000 M7.4M7.4

1968 M7.3M7.3

1956 M7.3M7.3

1970 M7.1M7.1

1951 M7.1M7.1

1982 M7.1M7.1

1998 M7.1M7.1

2010 M6.8M6.8

1982 M6.8M6.8

1991 M6.7M6.7

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M7.4 1984-03-06	1984-03-06 02:17	457 km	Izu Islands, Japan region
M6.8 1982-09-06	1982-09-06 01:47	176 km	Izu Islands, Japan region
M7.1 1982-07-04	1982-07-04 01:20	536 km	west of the Bonin Islands, Japan
M6.2 1980-12-19	1980-12-19 23:32	82 km	Izu Islands, Japan region
M6.1 1979-12-11	1979-12-11 17:26	110 km	Bonin Islands, Japan region
M6.1 1978-03-15	1978-03-15 22:04	263 km	Bonin Islands, Japan region
M6.1 1974-11-29	1974-11-29 22:05	419 km	Izu Islands, Japan region
M6.0 1973-01-31	1973-01-31 20:55	498 km	Bonin Islands, Japan region
M6.7 1970-12-07	1970-12-07 21:35	185 km	Izu Islands, Japan region
M7.1 1970-05-27	1970-05-27 12:05	390 km	Bonin Islands, Japan region

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.