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M6.6 earthquake, Papua New Guinea, 1999-05-17

MagnitudeM6.6mwc

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Depth27 km

Time (UTC)1999-05-17 10:07

Rank in 199930 / 135among M6+

Rank since 19003608 / 14,458

Energy vs an M6×8approx.

113 km SE of Kokopo, Papua New Guinea · -5.17, 152.88

M6.5+ within 300 km (largest first)

1919 M8.2M8.2

1971 M8.1M8.1

1971 M8.0M8.0

2000 M8.0M8.0

1916 M8.0M8.0

1975 M7.9M7.9

2017 M7.9M7.9

2016 M7.9M7.9

1920 M7.8M7.8

2000 M7.8M7.8

1995 M7.7M7.7

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M7.1 1999-05-16	1999-05-16 00:51	74 km	51 km SSE of Kokopo, Papua New Guinea
M7.1 1999-05-10	1999-05-10 20:33	138 km	92 km ENE of Kimbe, Papua New Guinea
M6.2 1999-04-01	1999-04-01 21:36	33 km	48 km E of Kokopo, Papua New Guinea
M6.4 1999-01-28	1999-01-28 18:24	101 km	156 km E of Kokopo, Papua New Guinea
M7.0 1999-01-19	1999-01-19 03:35	114 km	110 km ESE of Kokopo, Papua New Guinea
M6.0 1999-01-12	1999-01-12 08:49	43 km	135 km SSW of Kokopo, Papua New Guinea
M6.3 1998-09-15	1998-09-15 08:35	83 km	158 km SSW of Kokopo, Papua New Guinea
M6.6 1998-05-13	1998-05-13 23:02	61 km	108 km SW of Kokopo, Papua New Guinea
M6.2 1996-08-10	1996-08-10 11:20	33 km	67 km SSW of Kokopo, Papua New Guinea
M6.3 1996-05-11	1996-05-11 13:43	33 km	58 km WSW of Panguna, 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.