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M6.6 earthquake, Indonesia, 1964-04-23

MagnitudeM6.6mw

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Depth18 km

Time (UTC)1964-04-23 03:32

Rank in 196432 / 144among M6+

Rank since 19003957 / 14,458

Energy vs an M6×7approx.

135 km ENE of Tual, Indonesia · -5.36, 133.94

M6.5+ within 300 km (largest first)

1938 M8.5M8.5

1943 M7.7M7.7

2004 M7.3M7.3

1936 M7.1M7.1

2004 M7.1M7.1

1942 M7.1M7.1

1988 M7.0M7.0

2010 M7.0M7.0

2004 M7.0M7.0

1995 M6.9M6.9

1954 M6.9M6.9

1995 M6.8M6.8

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.1 1963-04-13	1963-04-13 14:31	47 km	14 km SE of Nabire, Indonesia
M6.0 1963-01-02	1963-01-02 14:56	25 km	110 km SSW of Nabire, Indonesia
M6.3 1959-04-12	1959-04-12 15:22	25 km	186 km NE of Tual, Indonesia
M6.4 1955-09-15	1955-09-15 12:30	35 km	181 km ENE of Tual, Indonesia
M6.9 1954-06-06	1954-06-06 16:50	10 km	35 km SSE of Nabire, Indonesia
M6.3 1953-04-06	1953-04-06 00:36	63 km	155 km SSW of Tual, Indonesia
M6.3 1951-01-15	1951-01-15 10:32	15 km	161 km ENE of Tual, Indonesia
M6.4 1949-11-02	1949-11-02 02:32	25 km	105 km WNW of Nabire, Indonesia
M6.5 1949-02-01	1949-02-01 18:15	25 km	32 km SSW of Nabire, Indonesia
M6.4 1947-10-05	1947-10-05 18:40	25 km	151 km SW of Nabire, Indonesia

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.