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M7.2 earthquake, Papua New Guinea, 1972-04-28

MagnitudeM7.2mw

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Depth403 km

Time (UTC)1972-04-28 23:32

Rank in 197210 / 132among M6+

Rank since 1900908 / 14,458

Energy vs an M6×63approx.

192 km NW of Panguna, Papua New Guinea · -5.15, 154.19

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

1939 M7.8M7.8

1920 M7.8M7.8

2000 M7.8M7.8

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.1 1972-01-06	1972-01-06 00:30	162 km	58 km WSW of Kokopo, Papua New Guinea
M6.2 1971-12-30	1971-12-30 15:39	107 km	70 km SW of Kokopo, Papua New Guinea
M6.3 1971-12-11	1971-12-11 07:25	59 km	104 km WNW of Panguna, Papua New Guinea
M6.3 1971-12-04	1971-12-04 02:25	86 km	104 km WNW of Panguna, Papua New Guinea
M6.1 1971-10-28	1971-10-28 15:13	109 km	203 km WNW of Panguna, Papua New Guinea
M6.7 1971-10-04	1971-10-04 01:30	42 km	156 km WNW of Panguna, Papua New Guinea
M6.0 1971-08-13	1971-08-13 16:48	10 km	150 km W of Panguna, Papua New Guinea
M6.0 1971-08-10	1971-08-10 14:37	39 km	181 km SE of Kokopo, Papua New Guinea
M6.3 1971-08-09	1971-08-09 20:01	30 km	141 km S of Kokopo, Papua New Guinea
M6.3 1971-08-09	1971-08-09 12:12	50 km	139 km WNW 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.