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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 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 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 & timeApr 28, 2022 13:21:13 UTC -
Local time at epicenterThursday, Apr 28, 2022 at 11:21 pm (GMT +10)
Depth10.0 km
Epicenter latitude / longitude3.8986°S / 146.6605°E (Bismarck Sea, Papua New Guinea)
Antipode3.899°N / 33.34°W
Shaking intensityStrong shaking near epicenter
Felt0 reports
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanounnamed (64 km / 40 mi)
Nearby towns and cities176 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 quakeOvercast Clouds 29°C (84 F), humidity: 70%, wind: 1 m/s (1 kts) from ENE
Estimated seismic energy released6.3 x 1013 joules (17.5 gigawatt hours, equivalent to 15080 tons of TNT or 0.9 atomic bombs!) | about seismic energy
Show interactive Map
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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.
6.010 km170 Km NE of Madang, Papua New GuineaUSGS
6.010 kmPapua New Guinea: BISMARCK SEAEMSC
6.010 kmPapua New Guinea: Bismarck SeaRaspberryShake
6.010.2 kmPapua New Guinea [Sea]INGV
5.310 kmPapua New Guinea: Near LaeRENASS
6.110 kmPapua New Guinea: Bismarck SeaGFZ
6.110 kmPapua New Guinea: Bismarck SeaGeoAu


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
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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.


[More info]

Recorded aftershocks, latest first (1 quake)

Date and timeMag
May 9, 2022 22:54
46 weeks ago

10 km
Bismarck Sea, 224 km NE of Madang, Papua New GuineaMore

Earlier earthquakes in the same area

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