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M7.1 earthquake, Papua New Guinea, 1984-05-30

MagnitudeM7.1mw

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Depth174 km

Time (UTC)1984-05-30 07:49

Rank in 19849 / 133among M6+

Rank since 19001159 / 14,458

Energy vs an M6×45approx.

94 km SW of Kokopo, Papua New Guinea · -4.84, 151.58

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

2016 M7.9M7.9

1920 M7.8M7.8

2000 M7.8M7.8

1946 M7.7M7.7

1983 M7.6M7.6

2005 M7.6M7.6

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.4 1983-12-22	1983-12-22 01:02	26 km	124 km SSW of Kokopo, Papua New Guinea
M6.2 1983-12-21	1983-12-21 23:32	33 km	139 km SSW of Kokopo, Papua New Guinea
M6.1 1983-11-25	1983-11-25 21:54	26 km	127 km SSW of Kokopo, Papua New Guinea
M6.1 1983-09-24	1983-09-24 17:17	10 km	130 km WNW of Rabaul, Papua New Guinea
M6.7 1983-05-10	1983-05-10 18:27	72 km	57 km SSE of Kokopo, Papua New Guinea
M6.5 1983-05-10	1983-05-10 11:02	112 km	85 km ENE of Kimbe, Papua New Guinea
M6.4 1983-03-20	1983-03-20 13:45	80 km	106 km ESE of Kokopo, Papua New Guinea
M7.6 1983-03-18	1983-03-18 09:05	89 km	157 km ESE of Kokopo, Papua New Guinea
M6.5 1982-08-12	1982-08-12 02:13	45 km	98 km E of Kokopo, Papua New Guinea
M6.1 1981-12-06	1981-12-06 12:50	33 km	203 km S of Kokopo, 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.