Major magnitude 7.3 earthquake - 90 km southeast of Wallis Island, New Ireland, Papua New Guinea, on Monday, February 12, 1968 at 05:44 GMT

Major magnitude 7.3 earthquake - 90 km southeast of Wallis Island, New Ireland, Papua New Guinea, on Monday, February 12, 1968 at 05:44 GMT Major magnitude 7.3 earthquake - 90 km southeast of Wallis Island, New Ireland, Papua New Guinea, on Monday, February 12, 1968 at 05:44 GMT

Major magnitude 7.3 earthquake at 30 km depth

Earthquake details

Date & timeFeb 12, 1968 05:44:45 UTC
Local time at epicenter
StatusConfirmed
Magnitude7.3
Depth30.0 km
Epicenter latitude / longitude5.42°S / 153.368°E (Solomon Sea, Papua New Guinea)
Antipode5.42°N / 26.632°W
Shaking intensityVery strong shaking near epicenter
Felt0 reports
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoAmbitle (152 km / 94 mi)
Nearby towns and cities171 km (106 mi) SE of Kokopo (pop: 26,300) | Show on map | Quakes nearby
190 km (118 mi) SE of Rabaul (pop: 8,070) | Show on map | Quakes nearby
255 km (158 mi) WNW of Panguna (pop: 2,920) | Show on map | Quakes nearby
259 km (161 mi) WNW of Arawa (pop: 40,300) | Show on map | Quakes nearby
296 km (184 mi) WNW of Buin (pop: 750) | Show on map | Quakes nearby
358 km (222 mi) E of Kimbe (Talasea District) (pop: 18,800) | Show on map | Quakes nearby
426 km (265 mi) SE of Kavieng (pop: 14,500) | Show on map | Quakes nearby
486 km (302 mi) NW of Gizo (New Georgia Group, Solomon Islands) (pop: 6,150) | Show on map | Quakes nearby
821 km (510 mi) ENE of Port Moresby (pop: 283,700) | Show on map | Quakes nearby
Estimated seismic energy released5.6 x 1015 joules (1562 gigawatt hours, equivalent to 1.3 x 106 tons of TNT or 84 atomic bombs!) | about seismic energy
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Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
Mag.DepthLocationSource
7.330 kmNew Ireland region, Papua New GuineaUSGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake.
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Aftershocks

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Recorded aftershocks, latest first (12 quakes)

Date and timeMag
Depth
LocationDetails
Jan 20, 1970 15:12
53 years ago
5.7

170 km
27 km SW of North Island, Bougainville, Papua New GuineaMore
Nov 11, 1969 15:23
53 years ago
5.6

65 km
178 km SW of Kokopo, East New Britain Province, Papua New GuineaMore
Oct 22, 1969 07:12
53 years ago
5.7

65 km
21 km SW of Lamassa Island, New Ireland, Papua New GuineaMore
Aug 26, 1969 16:58
53 years ago
5.8

45 km
East New Britain Province, 47 km E of New Britain Island, Papua New GuineaMore
Aug 14, 1969 10:58
53 years ago
5.8

40 km
81 km SE of Ailo Island, East New Britain Province, Papua New GuineaMore
Aug 7, 1969 01:49
53 years ago
5.6

100 km
70 km NW of Taiof Island, Bougainville, Papua New GuineaMore
Aug 5, 1969 16:32
53 years ago
6.1

35 km
193 km SE of Kokopo, East New Britain Province, Papua New GuineaMore
Aug 3, 1969 00:22
53 years ago
5.9

30 km
Latangai Island, New Ireland, 83 km E of Kokopo, Papua New GuineaMore
Nov 26, 1968 01:10
54 years ago
5.8

45 km
66 km SE of Ailo Island, East New Britain Province, Papua New GuineaMore
Mar 9, 1968 03:19
54 years ago
5.7

75 km
63 km W of Taiof Island, Bougainville, Papua New GuineaMore
Mar 7, 1968 13:22
54 years ago
6.3

45 km
East New Britain Province, 32 km SE of New Britain Island, Papua New GuineaMore
Feb 19, 1968 13:55
55 years ago
5.7

30 km
167 km SE of Kokopo, East New Britain Province, Papua New GuineaMore

Earlier earthquakes in the same area

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