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Very strong mag. 6.0 earthquake - Bismarck Sea, 176 km northeast of Madang, Papua New Guinea, on Thursday, Apr 28, 2022 at 11:21 pm (GMT +10) -

Very strong magnitude 6.0 earthquake at 10 km depth

28 Apr 13:29 UTC: First to report: GFZ after 8 minutes.
28 Apr 13:30: Epicenter location corrected by 11 km (7 mi) towards S.
28 Apr 13:41: Now using data updates from USGS
28 Apr 20:06: Epicenter location corrected by 5.9 km (3.7 mi) towards N.

Earthquake details

Date & time	Apr 28, 2022 13:21:13 UTC -
Local time at epicenter	Thursday, Apr 28, 2022 at 11:21 pm (GMT +10)
Status	Confirmed
Magnitude	6
Depth	10.0 km
Epicenter latitude / longitude	3.8986°S / 146.6605°E (Bismarck Sea, Papua New Guinea)
Antipode	3.899°N / 33.34°W
Shaking intensity	Strong shaking near epicenter
Felt	0 reports
Primary data source	USGS (United States Geological Survey)
Nearest volcano	unnamed (64 km / 40 mi)
Nearby towns and cities	176 km (109 mi) NNE of Madang (pop: 27,400) \| Show on map \| Quakes nearby 218 km (136 mi) SSW of Lorengau (Manus District) (pop: 5,810) \| Show on map \| Quakes nearby 281 km (175 mi) NNE of Goroka (pop: 18,500) \| Show on map \| Quakes nearby 316 km (197 mi) N of Lae (pop: 76,300) \| Show on map \| Quakes nearby 338 km (210 mi) E of Wewak (pop: 18,200) \| Show on map \| Quakes nearby 346 km (215 mi) NE of Hagen (Dei District) (pop: 33,600) \| Show on map \| Quakes nearby 368 km (228 mi) N of Bulolo (pop: 16,000) \| Show on map \| Quakes nearby 416 km (259 mi) NE of Mendi (pop: 26,300) \| Show on map \| Quakes nearby 427 km (265 mi) WNW of Kimbe (Talasea District) (pop: 18,800) \| Show on map \| Quakes nearby 623 km (387 mi) N of Port Moresby (pop: 283,700) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Overcast Clouds 29°C (84 F), humidity: 70%, wind: 1 m/s (1 kts) from ENE
Estimated seismic energy released	6.3 x 10¹³ joules (17.5 gigawatt hours, equivalent to 15080 tons of TNT or 0.9 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.	Depth	Location	Source
6.0	10 km	170 Km NE of Madang, Papua New Guinea	USGS
6.0	10 km	Papua New Guinea: BISMARCK SEA	EMSC
6.0	10 km	Papua New Guinea: Bismarck Sea	RaspberryShake
6.0	10.2 km	Papua New Guinea [Sea]	INGV
5.3	10 km	Papua New Guinea: Near Lae	RENASS
6.1	10 km	Papua New Guinea: Bismarck Sea	GFZ
6.1	10 km	Papua New Guinea: Bismarck Sea	GeoAu

Most recent quakes Top 20 past 24 hrs Quakes in Papua New Guinea

Seismograms

Seismic station: Tucson, Arizona (TUC/IU network) | Distance from quake: 11418 km / 7095 mi | Show on map | Station Info

Seismic station Tucson, Arizona: vertical movement plot around time of quake (source: IRIS/BUD)

Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Bandpass filter applied: 0.02-2.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

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.

Aftershocks

[More info]

Recorded aftershocks, latest first (1 quake)

Date and time	Mag Depth	Location	Details
May 9, 2022 22:54 46 weeks ago	4.7 10 km	Bismarck Sea, 224 km NE of Madang, Papua New Guinea	More

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