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M7.6 earthquake, Philippines, 1937-08-20

MagnitudeM7.6mw

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Depth15 km

Time (UTC)1937-08-20 11:59

Rank in 19372 / 98among M6+

Rank since 1900315 / 14,458

Energy vs an M6×288approx.

6 km E of Tignoan, Philippines · 14.57, 121.67

M6.5+ within 300 km (largest first)

1990 M7.7M7.7

1937 M7.6M7.6

1942 M7.6M7.6

1968 M7.6M7.6

1907 M7.5M7.5

1907 M7.4M7.4

1970 M7.4M7.4

1972 M7.3M7.3

1999 M7.3M7.3

1994 M7.1M7.1

1970 M7.0M7.0

1901 M7.0M7.0

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.1 1936-12-14	1936-12-14 04:03	25 km	11 km SW of Cabra, Philippines
M6.0 1935-02-07	1935-02-07 17:29	15 km	7 km S of Tinalmud, Philippines
M6.2 1934-11-26	1934-11-26 12:09	35 km	18 km ENE of Looc, Philippines
M6.2 1933-06-06	1933-06-06 02:28	35 km	12 km W of Tayaman, Philippines
M6.1 1932-08-24	1932-08-24 12:10	15 km	4 km NE of Caba, Philippines
M6.4 1929-01-16	1929-01-16 08:06	25 km	7 km ENE of Ambuclao, Philippines
M6.2 1928-08-05	1928-08-05 14:41	35 km	27 km W of Bolitoc, Philippines
M6.7 1928-06-15	1928-06-15 17:16	15 km	12 km NNE of Ligaya, Philippines
M7.0 1928-06-15	1928-06-15 06:12	25 km	26 km WSW of Malamig, Philippines
M6.2 1926-10-30	1926-10-30 10:11	35 km	3 km N of Ilioilio, 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.