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M7.8 earthquake, Japan, 2015-05-30

MagnitudeM7.8mww

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Depth664 km

Time (UTC)2015-05-30 11:23

Rank in 20153 / 146among M6+

Rank since 1900212 / 14,458

Energy vs an M6×501approx.

Bonin Islands, Japan region · 27.84, 140.49

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

Event	Time (UTC)	Depth	Place
M6.5 2015-06-23	2015-06-23 12:18	460 km	Bonin Islands, Japan region
M5.5 2015-06-23	2015-06-23 12:19	462 km	Bonin Islands, Japan region
M5.6 2015-06-23	2015-06-23 12:22	471 km	Bonin Islands, Japan region

M6.5+ within 300 km (largest first)

2015 M7.8M7.8

1984 M7.4M7.4

2000 M7.4M7.4

1968 M7.3M7.3

1970 M7.1M7.1

1951 M7.1M7.1

1998 M7.1M7.1

1955 M6.9M6.9

2010 M6.8M6.8

1982 M6.8M6.8

1991 M6.7M6.7

1992 M6.7M6.7

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.2 2014-06-30	2014-06-30 19:55	511 km	Bonin Islands, Japan region
M6.5 2013-09-04	2013-09-04 00:18	402 km	Izu Islands, Japan region
M6.1 2013-04-21	2013-04-21 03:22	422 km	Izu Islands, Japan region
M6.0 2012-05-26	2012-05-26 21:48	487 km	Bonin Islands, Japan region
M6.4 2011-01-12	2011-01-12 21:32	512 km	Bonin Islands, Japan region
M6.8 2010-11-30	2010-11-30 03:24	470 km	Bonin Islands, Japan region
M6.1 2010-05-03	2010-05-03 10:27	84 km	Izu Islands, Japan region
M6.0 2008-03-14	2008-03-14 22:32	10 km	Bonin Islands, Japan region
M6.2 2008-02-27	2008-02-27 06:54	15 km	Bonin Islands, Japan region
M6.1 2007-03-08	2007-03-08 05:03	140 km	Izu 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.