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M6.6 earthquake, Papua New Guinea, 1991-09-28

MagnitudeM6.6mwb

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Depth28 km

Time (UTC)1991-09-28 20:26

Rank in 199135 / 137among M6+

Rank since 19003539 / 14,458

Energy vs an M6×8approx.

95 km ESE of Kimbe, Papua New Guinea · -5.81, 150.96

M6.5+ within 300 km (largest first)

1971 M8.1M8.1

2000 M8.0M8.0

1916 M8.0M8.0

1920 M7.8M7.8

2000 M7.8M7.8

1946 M7.7M7.7

2019 M7.6M7.6

1972 M7.5M7.5

1990 M7.5M7.5

2015 M7.5M7.5

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.2 1991-01-09	1991-01-09 15:08	28 km	125 km SSW of Kokopo, Papua New Guinea
M7.5 1990-12-30	1990-12-30 19:14	179 km	104 km ENE of Kimbe, Papua New Guinea
M6.3 1990-11-22	1990-11-22 20:49	29 km	94 km E of Kimbe, Papua New Guinea
M6.0 1990-09-09	1990-09-09 05:35	74 km	110 km SSW of Kokopo, Papua New Guinea
M6.0 1990-06-15	1990-06-15 08:12	60 km	79 km SSW of Kokopo, Papua New Guinea
M6.4 1990-05-02	1990-05-02 22:50	82 km	6 km SSE of Kimbe, Papua New Guinea
M6.3 1989-10-17	1989-10-17 16:27	26 km	32 km NE of Rabaul, Papua New Guinea
M6.2 1989-02-04	1989-02-04 22:10	52 km	New Ireland region, Papua New Guinea
M6.4 1989-01-17	1989-01-17 00:35	32 km	66 km W of Kandrian, Papua New Guinea
M6.6 1988-11-18	1988-11-18 19:38	61 km	27 km ENE of Kandrian, 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.