Back to map
M5.1 Depth: 109.2 km

M5.1 Earthquake near Event of magnitude 5.1, near of Port Moresby (Monde) (Papua New Guinea)

UTC time: 2025-09-04 09:38:48 UTC Local time: —

About this earthquake

A magnitude M5.1 earthquake was recorded near Event of magnitude 5.1, near of Port Moresby (Monde) (Papua New Guinea) on September 4, 2025 at 09:38 UTC. At around 109 km, the focal depth places this among intermediate-depth events. Events of this size can cause damage near the epicenter.

The data is provided by RESIF and cross-checked across seismological networks. Papua New Guinea: 4 earthquakes were recorded in the past 24 hours, the strongest reaching M5.0.

Details

Magnitude
M5.1
Depth
109.2 km
UTC time
2025-09-04 09:38:48 UTC
Local time
—
Country
Papua New Guinea
City
New Ireland
Source
resif
Coordinates
-4.96825, 152.97789
Temperature
27.7°C

Map

Depth profile

Depth profile Depth: 109.2 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 109.2 km
Intermediate
109.2 km
109.2 km — deeper than the regional average (85 km)
Regional average: 85 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Nearby population centers

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

PlaceDistanceDirectionPopulation
Kokopo104.9 kmNW26'273
Port Moresby815.1 kmSW283'733

GeoNames · CC BY 4.0

Volcanoes nearby

  • Rabaul
    Distance: 118 km ·Caldera ·Elevation: 688 m ·Last eruption: 2014 ·Papua New Guinea
  • Tavui
    Distance: 128 km ·Caldera ·Elevation: 200 m ·Last eruption: -4946 ·Papua New Guinea
  • Ulawun
    Distance: 183 km ·Stratovolcano ·Elevation: 2'334 m ·Last eruption: 2025 ·Papua New Guinea
  • Bamus
    Distance: 195 km ·Stratovolcano ·Elevation: 2'248 m ·Last eruption: 1886 ·Papua New Guinea
  • Lolobau
    Distance: 201 km ·Caldera ·Elevation: 878 m ·Last eruption: 1912 ·Papua New Guinea
  • Hargy
    Distance: 212 km ·Stratovolcano ·Elevation: 1'148 m ·Last eruption: 950 ·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
M5.72025-09-16 16:59:44 UTC109.6 kmNew Ireland Region, Papua New Guinea M6.02025-09-16 16:59:46 UTC99.6 kmNew Ireland Region, Papua New Guinea M6.02025-09-16 16:59:46 UTC83.7 kmEvent of magnitude 6.0, near of Port Moresby (Monde) M6.02025-09-16 16:59:51 UTC102.2 kmNEW IRELAND REGION, P.N.G. M6.12025-09-16 16:59:52 UTC105.7 kmPapua New Guinea [Sea] M4.62025-09-21 01:34:06 UTC115.9 kmNEW BRITAIN REGION, P.N.G. M5.02025-09-29 22:48:54 UTC146.0 kmNEW BRITAIN REGION, P.N.G. M5.02025-09-29 22:48:58 UTC127.1 kmNew Britain Region, Papua New Guinea

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#15
Earlier events M≥451
Earlier events M≥516
Compared since2025-01-01

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

Strongest earlier events

M6.22025-04-12 03:47:13 UTC40.1 km M6.12025-04-12 03:47:09 UTC36.5 km105 km ESE of Kokopo, Papua New Guinea M5.92025-08-07 16:33:59 UTC85.0 kmNew Britain Region, Papua New Guinea M5.92025-08-07 16:33:59 UTC79.0 kmNEW BRITAIN REGION, P.N.G. M5.92025-08-07 16:33:59 UTC79.0 km71 km E of Kokopo, 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.

Share