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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 magnitude 4.7 earthquake at 10 km depth

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

Earthquake details

Date & time	Mar 19, 2023 02:55:05 UTC -
Local time at epicenter	Sunday, Mar 19, 2023 at 12:55 pm (GMT +10)
Status	Confirmed
Magnitude	4.7
Depth	10.0 km
Epicenter latitude / longitude	3.3525°S / 146.7397°E (Bismarck Sea, Papua New Guinea)
Antipode	3.353°N / 33.26°W
Shaking intensity	Moderate shaking near epicenter
Felt	0 reports
Primary data source	USGS (United States Geological Survey)
Nearest volcano	Baluan (106 km / 66 mi)
Nearby towns and cities	158 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 quake	Clear Sky 28°C (82 F), humidity: 69%, wind: 2 m/s (4 kts) from SW
Estimated seismic energy released	7.1 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.	Depth	Location	Source
4.7	10 km	Papua New Guinea: Bismarck Sea	USGS
4.7	10 km	Papua New Guinea: Bismarck Sea	IRIS
4.7	10 km	Papua New Guinea: Bismarck Sea	RaspberryShake
4.7	10 km	Papua New Guinea: BISMARCK SEA	EMSC
4.7	10 km	Papua New Guinea Region	GFZ

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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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