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M6.8 earthquake, Japan, 1917-07-04

MagnitudeM6.8mw

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Depth15 km

Time (UTC)1917-07-04 05:36

Rank in 191725 / 87among M6+

Rank since 19002564 / 14,458

Energy vs an M6×14approx.

92 km NNE of Hirara, Japan · 25.57, 125.65

M6.5+ within 300 km (largest first)

1910 M8.1M8.1

1938 M7.7M7.7

1917 M7.3M7.3

1915 M7.3M7.3

1915 M7.2M7.2

1958 M7.2M7.2

2010 M7.0M7.0

1911 M7.0M7.0

1923 M7.0M7.0

1921 M7.0M7.0

2011 M6.9M6.9

1926 M6.8M6.8

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M7.3 1917-07-04	1917-07-04 00:38	35 km	120 km ENE of Hirara, Japan
M6.4 1916-03-25	1916-03-25 23:52	35 km	21 km SSW of Hirara, Japan
M7.2 1915-02-28	1915-02-28 18:59	20 km	98 km SSW of Ishigaki, Japan
M7.3 1915-01-05	1915-01-05 23:26	215 km	92 km NNW of Yonakuni, Japan
M6.6 1912-12-24	1912-12-24 18:07	35 km	40 km ESE of Yonakuni, Japan
M7.0 1911-02-23	1911-02-23 11:14	35 km	12 km SE of Ginowan, Japan
M6.8 1910-11-29	1910-11-29 02:26	15 km	59 km NE of Hirara, Japan
M8.1 1910-04-12	1910-04-12 00:22	235 km	1910 Taiwan Earthquake
M6.2 1909-08-29	1909-08-29 10:29	35 km	19 km SE of Ginowan, Japan
M6.5 1906-05-02	1906-05-02 01:13	25 km	88 km NW of Hirara, 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.