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M5.1 Depth: 66.2 km

M5.1 Earthquake near NEW BRITAIN REGION, P.N.G. (Papua New Guinea)

UTC time: 2025-12-29 11:40:09 UTC Local time: —

About this earthquake

On December 29, 2025 at 11:40 UTC, a magnitude M5.1 earthquake occurred near NEW BRITAIN REGION, P.N.G. (Papua New Guinea). The hypocenter lay relatively close to the surface at around 66 km, increasing how strongly it was felt. Events of this size can cause damage near the epicenter.

The data is provided by EMSC and cross-checked across seismological networks. Papua New Guinea: 3 earthquakes were recorded in the past 24 hours, the strongest reaching M5.0.

Details

Magnitude
M5.1
Depth
66.2 km
UTC time
2025-12-29 11:40:09 UTC
Local time
—
Country
Papua New Guinea
City
East New Britain
Source
emsc
Coordinates
-5.22500, 152.21100
Temperature
24.0°C

Map

Depth profile

Depth profile Depth: 66.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 66.2 km
Shallow
66.2 km
66.2 km — shallower than the regional average (84.9 km)
Regional average: 84.9 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Nearby population centers

Distances are straight-line distances from the epicenter. Population data: GeoNames.

PlaceDistanceDirectionPopulation
Kokopo98.3 kmN26'273
Port Moresby731.3 kmSW283'733

GeoNames · CC BY 4.0

Volcanoes nearby

  • Ulawun
    Distance: 99 km ·Stratovolcano ·Elevation: 2'334 m ·Last eruption: 2025 ·Papua New Guinea
  • Bamus
    Distance: 109 km ·Stratovolcano ·Elevation: 2'248 m ·Last eruption: 1886 ·Papua New Guinea
  • Rabaul
    Distance: 109 km ·Caldera ·Elevation: 688 m ·Last eruption: 2014 ·Papua New Guinea
  • Lolobau
    Distance: 121 km ·Caldera ·Elevation: 878 m ·Last eruption: 1912 ·Papua New Guinea
  • Hargy
    Distance: 124 km ·Stratovolcano ·Elevation: 1'148 m ·Last eruption: 950 ·Papua New Guinea
  • Tavui
    Distance: 124 km ·Caldera ·Elevation: 200 m ·Last eruption: -4946 ·Papua New Guinea

Subsequent earthquakes nearby

Events recorded after this earthquake within 150 km. They are not automatically classified as aftershocks.

First 6 hours0
First 24 hours0
First 72 hours0
Strongest subsequent eventM5.1
M4.82026-01-03 22:25:36 UTC107.4 kmNew Britain Region, Papua New Guinea M5.02026-01-03 22:25:37 UTC118.4 km214 km S of Kokopo, Papua New Guinea M4.82026-01-04 01:23:33 UTC25.6 kmNew Britain Region, Papua New Guinea M5.12026-01-04 01:23:35 UTC29.9 kmNEW BRITAIN REGION, P.N.G. M4.52026-01-11 02:54:45 UTC63.2 kmPomio District M4.72026-01-14 08:05:56 UTC141.2 kmNEW IRELAND REGION, P.N.G. M4.72026-01-14 08:05:57 UTC137.4 km193 km SE of Kokopo, Papua New Guinea M5.02026-01-14 08:05:57 UTC147.6 kmNew Ireland Region, Papua New Guinea M5.02026-01-14 08:05:57 UTC146.6 kmNew Ireland region

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#31
Earlier events M≥4209
Earlier events M≥574
Compared since2025-01-01

The QuakeMap24 comparison dataset begins on 2024-03-23. Earlier earthquakes may not be included.

Strongest earlier events

M6.92025-04-04 20:04:38 UTC139.4 km181 km ESE of Kimbe, Papua New Guinea M6.52025-04-04 20:04:39 UTC119.7 km194 km ESE of Kimbe, Papua New Guinea M6.22025-04-12 03:47:13 UTC126.9 km M6.12025-04-12 03:47:09 UTC120.2 km105 km ESE of Kokopo, Papua New Guinea M5.92025-08-07 16:33:59 UTC135.0 kmNew Britain Region, Papua New Guinea

Historic earthquake map · Papua New Guinea

Open history map
Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · Papua New Guinea

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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