Strong mag. 6.6 earthquake - New Britain Region, Papua New Guinea, on Tuesday, 27 July 1971 at 20:47 (GMT)
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Strong magnitude 6.6 earthquake at 40 km depth
Magnitude: 6.6
Depth: 40.0 km
Epicenter latitude / longitude: 5.283°S / 152.88°E
(Papua New Guinea)Nearest volcano: Rabaul (Tavurvur) (135 km / 84 mi)
Nearby towns and cities:
785 km (488 mi) NE of Port Moresby (pop: 283,700) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 5 x 1014 joules (139 gigawatt hours, equivalent to 1.2 x 105 tons of TNT or 7.5 atomic bombs!) More info
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.
| Magnitude | Depth | Location | Source |
| M 6.6 | 40 km | New Britain region, Papua New Guinea | USGS |
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!
Aftershocks of the 6.6 quake New Britain Region, Papua New Guinea, 27 July 1971 20:47 GMT
More info
Recorded aftershocks, latest first (9 quakes):- 28 Oct 1971 15:13 UTC| M 6.1 |105 km (65.2 mi) depth|118 km (73 mi) distance| USGS | Strong mag. 6.1 earthquake - New Ireland Region, Papua New Guinea, on Thursday, 28 October 1971 at 15:13 (GMT)
- 01 Oct 1971 05:16 UTC| M 6.0 |20 km (12.4 mi) depth|105 km (65 mi) distance| USGS | Strong mag. 6.0 earthquake - New Britain Region, Papua New Guinea, on Friday, 1 October 1971 at 05:16 (GMT)
- 10 Aug 1971 14:37 UTC| M 6.0 |35 km (21.7 mi) depth|69 km (43 mi) distance| USGS | Strong mag. 6.0 earthquake - New Ireland Region, Papua New Guinea, on Tuesday, 10 August 1971 at 14:37 (GMT)
- 10 Aug 1971 04:23 UTC| M 5.7 |35 km (21.7 mi) depth|97 km (60 mi) distance| USGS | Details
- 09 Aug 1971 20:01 UTC| M 6.3 |35 km (21.7 mi) depth|88 km (55 mi) distance| USGS | Strong mag. 6.3 earthquake - New Britain Region, Papua New Guinea, on Monday, 9 August 1971 at 20:01 (GMT)
- 02 Aug 1971 00:19 UTC| M 5.9 |11 km (6.8 mi) depth|46 km (29 mi) distance| USGS | Details
- 30 Jul 1971 06:18 UTC| M 5.8 |55 km (34.2 mi) depth|75 km (47 mi) distance| USGS | Details
- 28 Jul 1971 10:17 UTC| M 5.8 |50 km (31.1 mi) depth|46 km (29 mi) distance| USGS | Details
- 28 Jul 1971 01:10 UTC| M 6.5 |24.5 km (15.2 mi) depth|17 km (11 mi) distance| USGS | Strong mag. 6.5 earthquake - New Britain Region, Papua New Guinea, on Wednesday, 28 July 1971 at 01:10 (GMT)
Earlier earthquakes in the same area
Strong mag. 6.6 earthquake - New Britain Region, Papua New Guinea, on Tuesday, 27 July 1971 at 20:47 (GMT)Click here to search our database for earlier earthquakes in the same area since 1900!
