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M5.1 Earthquake near NEW BRITAIN REGION, P.N.G.

UTC time: 2025-08-28 04:31:38 UTC Local time: —
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis.

Magnitude
M5.1
Depth
11.2 km
Source
EMSC

NEW BRITAIN REGION, P.N.G.

Map

M5.1 Earthquake near NEW BRITAIN REGION, P.N.G. · 2025-08-28 — Map showing the location of the epicenter
M5.1 Earthquake near NEW BRITAIN REGION, P.N.G. · 2025-08-28 — Map showing the location of the epicenter

About this earthquake

On August 28, 2025 at 04:31 UTC, a magnitude M5.1 earthquake occurred near NEW BRITAIN REGION, P.N.G.. With a focal depth of about 11 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude can damage poorly built structures.

The data is provided by EMSC and cross-checked across seismological networks.

Details

ID
b68018a485f26b141808d29aeff165eb89672f7f
Magnitude
M5.1
Depth
11.2 km
UTC time
2025-08-28 04:31:38 UTC
Local time
—
Country
—
Source
emsc
Coordinates
-5.64880, 152.50920
Temperature
28.3°C

Depth profile

Depth profile Depth: 11.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 11.2 km
Shallow
11.2 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
Kokopo147.6 kmN26'273
Port Moresby728.0 kmSW283'733

GeoNames · CC BY 4.0

Volcanoes nearby

  • Ulawun
    Distance: 147 km ·Stratovolcano ·Elevation: 2'334 m ·Last eruption: 2025 ·Papua New Guinea
  • Bamus
    Distance: 150 km ·Stratovolcano ·Elevation: 2'248 m ·Last eruption: 1886 ·Papua New Guinea
  • Rabaul
    Distance: 160 km ·Caldera ·Elevation: 688 m ·Last eruption: 2014 ·Papua New Guinea
  • Hargy
    Distance: 160 km ·Stratovolcano ·Elevation: 1'148 m ·Last eruption: 950 ·Papua New Guinea
  • Lolobau
    Distance: 170 km ·Caldera ·Elevation: 878 m ·Last eruption: 1912 ·Papua New Guinea
  • Sulu Range
    Distance: 174 km ·Stratovolcano(es) ·Elevation: 610 m ·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 eventM6.1
M5.22025-09-04 09:38:35 UTC136.9 kmNew Ireland Region, Papua New Guinea M5.32025-09-04 09:38:41 UTC136.2 km149 km ESE of Kokopo, Papua New Guinea M5.32025-09-04 09:38:41 UTC128.0 kmNEW IRELAND REGION, P.N.G. M5.12025-09-04 09:38:48 UTC91.8 kmEvent of magnitude 5.1, near of Port Moresby (Monde) M6.02025-09-16 16:59:46 UTC141.0 kmNew Ireland Region, Papua New Guinea M6.02025-09-16 16:59:46 UTC125.5 kmEvent of magnitude 6.0, near of Port Moresby (Monde) M6.02025-09-16 16:59:51 UTC139.0 kmNEW IRELAND REGION, P.N.G. M6.12025-09-16 16:59:52 UTC145.8 kmPapua New Guinea [Sea] M4.62025-09-21 01:34:06 UTC37.5 kmNEW BRITAIN REGION, P.N.G.

No unambiguous area assignment

Context for this earthquake

This event has no unambiguous country assignment in the analysed catalogue. It is therefore not assigned to a regional profile.

Earthquake overview

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#13
Earlier events M≥4166
Earlier events M≥540
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 UTC125.7 km181 km ESE of Kimbe, Papua New Guinea M6.52025-04-04 20:04:39 UTC103.0 km194 km ESE of Kimbe, Papua New Guinea M6.22025-04-12 03:47:13 UTC131.4 km M6.12025-04-12 03:47:09 UTC128.2 km105 km ESE of Kokopo, Papua New Guinea M5.52025-04-12 03:47:24 UTC82.6 kmNew Ireland

Stats (last 24h)

Global (24h)
380
Country (24h)
—
—
Current earthquakes in
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