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M6.6 earthquake, Papua New Guinea, 1964-09-12

MagnitudeM6.6mw

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Depth109 km

Time (UTC)1964-09-12 12:43

Rank in 196427 / 144among M6+

Rank since 19003272 / 14,458

Energy vs an M6×9approx.

44 km S of Angoram, Papua New Guinea · -4.46, 144.01

M6.5+ within 300 km (largest first)

1935 M7.8M7.8

2002 M7.6M7.6

1918 M7.6M7.6

2018 M7.5M7.5

1917 M7.5M7.5

1907 M7.3M7.3

1986 M7.2M7.2

1906 M7.1M7.1

1931 M7.1M7.1

1909 M7.1M7.1

1925 M7.0M7.0

1935 M7.0M7.0

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.8 1964-04-24	1964-04-24 05:56	108 km	80 km ENE of Wabag, Papua New Guinea
M6.3 1964-02-12	1964-02-12 20:31	16 km	190 km SSW of Lorengau, Papua New Guinea
M6.1 1963-02-14	1963-02-14 22:07	65 km	98 km SSE of Angoram, Papua New Guinea
M6.3 1962-08-01	1962-08-01 04:37	25 km	33 km ENE of Wewak, Papua New Guinea
M6.6 1962-07-30	1962-07-30 17:16	25 km	41 km ENE of Wewak, Papua New Guinea
M6.4 1962-03-22	1962-03-22 15:13	35 km	26 km ESE of Aitape, Papua New Guinea
M6.2 1959-09-12	1959-09-12 01:53	25 km	195 km SW of Lorengau, Papua New Guinea
M6.3 1958-08-17	1958-08-17 18:01	20 km	193 km N of Madang, Papua New Guinea
M6.8 1958-06-25	1958-06-25 09:36	30 km	near the north coast of New Guinea, Papua New Guinea
M6.1 1957-08-04	1957-08-04 00:39	15 km	117 km ENE of Angoram, Papua New Guinea

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.