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M6.6 earthquake, Japan, 1925-05-23

MagnitudeM6.6mw

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Depth15 km

Time (UTC)1925-05-23 02:09

Rank in 192530 / 106among M6+

Rank since 19003297 / 14,458

Energy vs an M6×9approx.

12 km ESE of Toyooka, Japan · 35.52, 134.95

M6.5+ within 300 km (largest first)

1946 M8.3M8.3

1944 M8.1M8.1

1948 M7.4M7.4

1904 M7.4M7.4

1984 M7.2M7.2

1927 M7.0M7.0

1943 M7.0M7.0

1940 M7.0M7.0

1948 M6.9M6.9

1909 M6.9M6.9

1929 M6.9M6.9

1995 M6.9M6.9

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.1 1918-11-11	1918-11-11 07:03	15 km	14 km WSW of Matsumoto, Japan
M6.9 1909-08-14	1909-08-14 06:30	15 km	23 km SSE of Ono, Japan
M6.0 1906-05-04	1906-05-04 23:09	35 km	24 km SE of Fukura, Japan
M7.4 1904-06-07	1904-06-07 08:18	350 km	164 km NNE of Ama, 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.