Very strong mag. 6.1 earthquake - Bismarck Sea, 233 km northeast of Madang, Papua New Guinea, on Wednesday, 21 July 2021 at 14:26 (GMT)

Very strong mag. 6.1 earthquake - Bismarck Sea, 233 km northeast of Madang, Papua New Guinea, on 22 Jul 12:26 am (GMT +10)

- Very strong mag. 6.1 earthquake - Bismarck Sea, 233 km northeast of Madang, Papua New Guinea, on 22 Jul 12:26 am (GMT +10)

Very strong magnitude 6.1 earthquake at 10 km depth

21 Jul 14:34 UTC: First to report: GFZ after 9 minutes.
21 Jul 14:36: Magnitude recalculated from 5.7 to 5.6. Epicenter location corrected by 3.1 km (2 mi) towards NE.
21 Jul 16:22: Magnitude recalculated from 5.6 to 6.1.
Date & time: 21 Jul 2021 14:26:03 UTC -
Local time at epicenter: 22 Jul 12:26 am (GMT +10)
Magnitude: 6.1
Depth: 10.0 km
Epicenter latitude / longitude: 3.39°S / 146.81°E (Bismarck Sea, Papua New Guinea)
Nearest volcano: Baluan (105 km / 65 mi)
Nearby towns and cities:
159 km (99 mi) SSW of Lorengau (Manus District) (pop: 5,810) --> See nearby quakes!
233 km (145 mi) NNE of Madang (pop: 27,400) --> See nearby quakes!
339 km (210 mi) NNE of Goroka (pop: 18,500) --> See nearby quakes!
353 km (219 mi) E of Wewak (pop: 18,200) --> See nearby quakes!
371 km (231 mi) N of Lae (pop: 76,300) --> See nearby quakes!
396 km (246 mi) NE of Hagen (Dei District) (pop: 33,600) --> See nearby quakes!
425 km (264 mi) N of Bulolo (pop: 16,000) --> See nearby quakes!
440 km (274 mi) WNW of Kimbe (Talasea District) (pop: 18,800) --> See nearby quakes!
465 km (289 mi) NE of Mendi (pop: 26,300) --> See nearby quakes!
678 km (421 mi) N of Port Moresby (pop: 283,700) --> See nearby quakes!
Weather at epicenter at time of quake:
Overcast Clouds 28.4°C (83 F), humidity: 74%, wind: 4 m/s (7 kts) from E
Primary data source: GFZ (German Research Centre for Geosciences)
Estimated released energy: 8.9 x 1013 joules (24.8 gigawatt hours, equivalent to 21301 tons of TNT or 1.3 atomic bombs!) More info
Show interactive Map
[smaller] [bigger]
If you felt this quake (or if you were near the epicenter), please share your experience and submit a short "I felt it" report! Other users would love to hear about it!
Also if you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable also to earthquake science and earthquake hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!

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.
6.110 kmPapua New Guinea: Bismarck SeaGFZ
5.910 kmPapua New Guinea: BISMARCK SEAEMSC
5.510 kmPapua New Guinea: Near LaeRENASS
5.710 kmPapua New Guinea: Bismarck SeaBMKG
6.08.7 km150 Km SSW of Lorengau, Papua New GuineaUSGS
6.110 kmPapua New Guinea: Bismarck SeaGeoAu

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 yet. If you felt it be the first to report it!
Volcanoes & Earthquakes - new app for Android


More info
Recorded aftershocks, latest first (1 quakes):
  • 21 Jul 2021 23:07 UTC
    | M 4.8 |
    10 km (6.2 mi) depth
    26 km (16 mi) distance
    | USGS | Details

Earlier earthquakes in the same area

Try our free app!
Volcanoes & Earthquakes - new app for Android
Android | iOS version
Why is there advertising on this site?
Support us - Help us upgrade our services!
We truly love working to bring you the latest volcano and earthquake data from around the world. Maintaining our website and our free apps does require, however, considerable time and resources.
We need financing to increase hard- and software capacity as well as support our editor team. We're aiming to achieve uninterrupted service wherever an earthquake or volcano eruption unfolds, and your donations can make it happen! Every donation will be highly appreciated. If you find the information useful and would like to support our team in integrating further features, write great content, and in upgrading our soft- and hardware, please make a donation (PayPal or Online credit card payment).

Planned features:
  • Weather reports
  • Tsunami alerts
  • Design upgrades
  • Faster responsiveness
Thanks to your past donations, these features have been added recently:
  • Earthquake archive from 1900 onwards
  • Additional seismic data sources
  • Improved content in English
Download and Upgrade the Volcanoes & Earthquakes app to get one of the fastest seismic and volcano alerts online:
Android | IOS
Thank you!
Copyrights: VolcanoDiscovery and other sources as noted.
Use of material: Most texts and images, in particular photographs, on this website are protected by copyright. Further reproduction and use of without authorization is usually not consented. If you are not sure or need licensing rights for photographs, for example for publications and commercial use, please contact us.
Home | Travel | Destinations | Volcanoes | Photos | Earthquakes | About | Glossary | News | Contact | Privacy | Imprint || Français | Deutsch
Follow us:
Follow us on facebook
Follow us on InstagramFollow us on TwitterVisit our Youtube channel