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Earlville, Cairns, Queensland (1499.8 km S of epicenter) [Map] / not felt (reported through our app)
Very strong mag. 6.1 earthquake - Bismarck Sea, 195 km north of Madang, Papua New Guinea, on Tuesday, 27 April 2021 at 08:05 (GMT)
Very strong mag. 6.1 earthquake - Bismarck Sea, 195 km north of Madang, Papua New Guinea, on 27 Apr 6:05 pm (GMT +10)
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Very strong magnitude 6.1 earthquake at 10 km depth
27 Apr 08:13 UTC: First to report: GFZ after 8 minutes.
27 Apr 08:14: Magnitude recalculated from 6.0 to 5.9. Epicenter location corrected by 5.7 km (3.5 mi) towards S.
27 Apr 08:23: Magnitude recalculated from 5.9 to 6.1. Epicenter location corrected by 1.1 km (0.7 mi) towards W.
27 Apr 08:14: Magnitude recalculated from 6.0 to 5.9. Epicenter location corrected by 5.7 km (3.5 mi) towards S.
27 Apr 08:23: Magnitude recalculated from 5.9 to 6.1. Epicenter location corrected by 1.1 km (0.7 mi) towards W.
Earthquake details
| Date & time | Apr 27, 2021 08:05:32 UTC - |
| Local time at epicenter | 27 Apr 6:05 pm (GMT +10) |
| Status | Confirmed |
| Magnitude | 6.1 |
| Depth | 10.0 km |
| Epicenter latitude / longitude | 3.49°S / 145.53°E  (Bismarck Sea, Papua New Guinea) |
| Antipode | 3.49°N / 34.47°W |
| Shaking intensity | Strong shaking near epicenter |
| Felt | 0 reports |
| Primary data source | GFZ (German Research Centre for Geosciences) |
| Nearest volcano | Bam (81 km / 50 mi) |
| Nearby towns and cities | 195 km (121 mi) N of Madang (pop: 27,400) | Show on map | Quakes nearby 211 km (131 mi) E of Wewak (pop: 18,200) | Show on map | Quakes nearby 252 km (157 mi) SW of Lorengau (Manus District) (pop: 5,810) | Show on map | Quakes nearby 288 km (179 mi) NNE of Kundiawa (pop: 9,380) | Show on map | Quakes nearby 289 km (180 mi) N of Goroka (pop: 18,500) | Show on map | Quakes nearby 300 km (186 mi) NE of Wabag (pop: 3,960) | Show on map | Quakes nearby 300 km (187 mi) NNE of Hagen (Dei District) (pop: 33,600) | Show on map | Quakes nearby 361 km (224 mi) NE of Mendi (pop: 26,300) | Show on map | Quakes nearby 395 km (245 mi) NNW of Lae (pop: 76,300) | Show on map | Quakes nearby 690 km (428 mi) NNW of Puerto Moresby (pop: 283,700) | Show on map | Quakes nearby |
| Weather at epicenter at time of quake | Clear Sky  28.8°C (84 F), humidity: 69%, wind: 3 m/s (6 kts) from N |
| Estimated seismic energy released | 8.9 x 1013 joules (24.8 gigawatt hours, equivalent to 21301 tons of TNT or 1.3 atomic bombs!) | about seismic energy |
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 |
| 6.1 | 10 km | Near N. Coast of New Guinea, PNG., Papua New Guinea | GFZ |
| 5.9 | 10 km | NEAR N COAST OF NEW GUINEA, PNG., Papua New Guinea | EMSC |
| 6.2 | 10 km | Near N. Coast of New Guinea, PNG., Papua New Guinea | BMKG |
| 5.6 | 10 km | Near Lae, Papua New Guinea | RENASS |
| 6.1 | 10 km | 174 Km ENE of Angoram, Papua New Guinea | USGS |
| 6.0 | 10.2 km | Near North Coast of New Guinea, Papua New Guinea [Sea: Papua New Guinea] | INGV |
| 6.1 | 10 km | Near N. Coast of New Guinea, PNG., Papua New Guinea | GeoAu |
User reports for this quake (1)
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Aftershocks
[More info]
Recorded aftershocks, latest first (6 quakes)
Date and time | Mag Depth | Location | Details |
| Aug 5, 2021 19:51 42 weeks ago | 4.8 10 km | Bismarck Sea, 196 km N of Madang, Papua New Guinea | More |
| Jul 18, 2021 09:35 45 weeks ago | 5.0 10 km | Bismarck Sea, 175 km N of Madang, Papua New Guinea | More |
| Jun 1, 2021 21:41 51 weeks ago | 4.7 53 km | Bismarck Sea, 157 km N of Madang, Papua New Guinea | More |
| Apr 27, 2021 15:01 1 year 4 weeks ago | 4.6 57 km | Bismarck Sea, 134 km N of Madang, Papua New Guinea | More |
| Apr 27, 2021 11:04 1 year 4 weeks ago | 5.5 10 km | Bismarck Sea, 199 km N of Madang, Papua New Guinea | More |
| Apr 27, 2021 10:40 1 year 4 weeks ago - felt | 5.2 10 km | Bismarck Sea, 202 km N of Madang, Papua New Guinea | More |
Earlier earthquakes in the same area
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