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M6.9 earthquake, Japan, 1930-11-25

MagnitudeM6.9mw

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Depth15 km

Time (UTC)1930-11-25 19:02

Rank in 19309 / 97among M6+

Rank since 19001803 / 14,458

Energy vs an M6×22approx.

5 km WSW of Atami, Japan · 35.06, 139.01

M6.5+ within 300 km (largest first)

1944 M8.1M8.1

1923 M8.0M8.0

1953 M7.9M7.9

2011 M7.9M7.9

1923 M7.8M7.8

1938 M7.7M7.7

1906 M7.4M7.4

2004 M7.4M7.4

1972 M7.3M7.3

1923 M7.2M7.2

1905 M7.2M7.2

1910 M7.2M7.2

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.1 1930-05-31	1930-05-31 17:58	35 km	34 km E of ?arai, Japan
M6.2 1930-05-01	1930-05-01 00:57	35 km	31 km SE of Hasaki, Japan
M6.2 1929-07-26	1929-07-26 22:48	60 km	2 km SSE of Zama, Japan
M6.9 1929-06-02	1929-06-02 21:38	350 km	65 km SSE of Toba, Japan
M6.1 1928-05-19	1928-05-19 09:32	35 km	66 km E of ?arai, Japan
M6.5 1927-08-23	1927-08-23 06:29	15 km	171 km SE of Hasaki, Japan
M6.2 1927-08-20	1927-08-20 21:37	20 km	154 km ESE of ?hara, Japan
M7.0 1927-08-18	1927-08-18 19:27	20 km	125 km ESE of Katsuura, Japan
M6.1 1924-09-24	1924-09-24 18:41	35 km	69 km ESE of Hitachi, Japan
M6.6 1924-08-25	1924-08-25 14:31	25 km	98 km ESE of Kitaibaraki, 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.