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M7.4 earthquake, Philippines, 1955-03-31

MagnitudeM7.4mw

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Depth35 km

Time (UTC)1955-03-31 18:17

Rank in 19552 / 128among M6+

Rank since 1900646 / 14,458

Energy vs an M6×114approx.

Mindanao, Philippines · 7.66, 123.16

M6.5+ within 300 km (largest first)

1918 M8.3M8.3

1976 M7.9M7.9

2010 M7.6M7.6

2002 M7.5M7.5

2010 M7.5M7.5

1928 M7.4M7.4

1955 M7.4M7.4

1984 M7.3M7.3

2010 M7.3M7.3

1942 M7.3M7.3

1923 M7.2M7.2

1999 M7.1M7.1

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.3 1955-03-06	1955-03-06 13:33	15 km	11 km E of Bacuyangan, Philippines
M6.1 1955-03-06	1955-03-06 10:55	15 km	14 km SW of Cayhagan, Philippines
M6.3 1952-04-08	1952-04-08 10:00	35 km	22 km S of Maloh, Philippines
M6.5 1951-07-08	1951-07-08 05:44	25 km	7 km WNW of Linaon, Philippines
M6.1 1945-01-29	1945-01-29 21:00	25 km	13 km NE of Palimbang, Philippines
M7.3 1942-10-20	1942-10-20 23:21	35 km	12 km SSW of Kipit, Philippines
M6.5 1942-06-10	1942-06-10 10:21	15 km	4 km SSW of Carpenter Hill, Philippines
M6.1 1934-01-16	1934-01-16 18:39	35 km	13 km N of Daliao, Philippines
M6.8 1928-12-28	1928-12-28 14:19	15 km	2 km E of Guipos, Philippines
M7.4 1928-12-19	1928-12-19 11:37	25 km	10 km ESE of Basak, Philippines

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.