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Moderate mag. 4.7 earthquake - Bismarck Sea, 233 km northeast of Madang, Papua New Guinea, on Sunday, Mar 19, 2023 at 12:55 pm (GMT +10) -

Moderate mag. 4.7 earthquake - Bismarck Sea, 233 km northeast of Madang, Papua New Guinea, on Sunday, Mar 19, 2023 at 12:55 pm (GMT +10) Moderate mag. 4.7 earthquake - Bismarck Sea, 233 km northeast of Madang, Papua New Guinea, on Sunday, Mar 19, 2023 at 12:55 pm (GMT +10)

Moderate magnitude 4.7 earthquake at 10 km depth

19 Mar 03:24 UTC: First to report: USGS after 29 minutes.

Earthquake details

Date & timeMar 19, 2023 02:55:05 UTC -
Local time at epicenterSunday, Mar 19, 2023 at 12:55 pm (GMT +10)
StatusConfirmed
Magnitude4.7
Depth10.0 km
Epicenter latitude / longitude3.3525°S / 146.7397°E (Bismarck Sea, Papua New Guinea)
Antipode3.353°N / 33.26°W
Shaking intensityModerate shaking near epicenter
Felt0 reports
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoBaluan (106 km / 66 mi)
Nearby towns and cities158 km (98 mi) SSW of Lorengau (Manus District) (pop: 5,810) | Show on map | Quakes nearby
233 km (145 mi) NNE of Madang (pop: 27,400) | Show on map | Quakes nearby
339 km (211 mi) NNE of Goroka (pop: 18,500) | Show on map | Quakes nearby
346 km (215 mi) E of Wewak (pop: 18,200) | Show on map | Quakes nearby
376 km (234 mi) N of Lae (pop: 76,300) | Show on map | Quakes nearby
394 km (245 mi) NE of Hagen (Dei District) (pop: 33,600) | Show on map | Quakes nearby
462 km (287 mi) NE of Mendi (pop: 26,300) | Show on map | Quakes nearby
683 km (424 mi) N of Port Moresby (pop: 283,700) | Show on map | Quakes nearby
Weather at epicenter at time of quakeClear Sky 28°C (82 F), humidity: 69%, wind: 2 m/s (4 kts) from SW
Estimated seismic energy released7.1 x 1011 joules (197 megawatt hours, equivalent to 169 tons of TNT) | 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
4.710 kmPapua New Guinea: Bismarck SeaUSGS
4.710 kmPapua New Guinea: Bismarck SeaIRIS
4.710 kmPapua New Guinea: Bismarck SeaRaspberryShake
4.710 kmPapua New Guinea: BISMARCK SEAEMSC
4.710 kmPapua New Guinea RegionGFZ

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.

Earlier earthquakes in the same area

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