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Papua New Guinea · East Sepik

M5.4 Earthquake near Dimiri, East Sepik (Papua New Guinea)

UTC time: 2026-08-15 11:10:25 UTC Local time: —
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded Content updated:

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

Map

M5.4 Earthquake near Dimiri, East Sepik (Papua New Guinea) · 2026-08-15 — Map showing the location of the epicenter
M5.4 Earthquake near Dimiri, East Sepik (Papua New Guinea) · 2026-08-15 — Map showing the location of the epicenter

About this earthquake

A magnitude M5.4 earthquake was recorded near Dimiri, East Sepik (Papua New Guinea) on August 15, 2026 at 11:10 UTC. The earthquake originated at an intermediate depth of about 120 km. Earthquakes of this magnitude can damage poorly built structures.

The data is provided by USGS and cross-checked across seismological networks. Papua New Guinea: 2 earthquakes were recorded in the past 24 hours, the strongest reaching M4.9.

Details

ID
eccd760bac7f86f1af71c9af71d7e300e4efc0f4
Magnitude
M5.4
Depth
120.2 km
UTC time
2026-08-15 11:10:25 UTC
Local time
—
Country
Papua New Guinea
State
East Sepik
City
Dimiri
County
Angoram District
Village
Dimiri
Source
usgs
Coordinates
-4.41100, 143.92120
Temperature
24.0°C

Depth profile

Depth profile Depth: 120.2 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 120.2 km
Intermediate
120.2 km
120.2 km — deeper than the regional average (82.7 km)
Regional average: 82.7 km
Why depth matters

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

Depth classes per USGS

Felt reports

2felt reports at EMSC / LastQuake

Voluntary reports of feeling this earthquake. The count is not an intensity measurement and is not added to USGS DYFI reports.

Data updated: Aug 15, 2026, 11:14 AM UTC · Last checked: Sep 15, 2026, 12:07 AM UTC

Source: EMSC / LastQuake

Estimated impact

Green No or minimal impact expected.
Estimated population exposed
IV 264'193

Ground shaking

IV
Light · Intensity (MMI) IV
Felt by many, no damage.

Tectonic context

Located on the Woodlark Plate.
Near the boundary South Bismarck ↔ Woodlark · about 69 km away

Nearby population centers

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

PlaceDistanceDirectionPopulation
Wewak101.0 kmN18'230
Jayapura412.3 kmNW410'852

GeoNames · CC BY 4.0

Volcanoes nearby

  • Kadovar
    Distance: 116 km ·Stratovolcano ·Elevation: 365 m ·Last eruption: 2023 ·Papua New Guinea
  • Blup Blup
    Distance: 126 km ·Stratovolcano ·Elevation: 402 m ·Papua New Guinea
  • Manam
    Distance: 129 km ·Stratovolcano ·Elevation: 1'807 m ·Last eruption: 2026 ·Papua New Guinea
  • Bam
    Distance: 133 km ·Stratovolcano ·Elevation: 685 m ·Last eruption: 1960 ·Papua New Guinea
  • Karkar
    Distance: 229 km ·Stratovolcano ·Elevation: 1'839 m ·Last eruption: 1979 ·Papua New Guinea
  • Hankow Reef
    Distance: 314 km ·Stratovolcano ·Elevation: -5 m ·Papua New Guinea

Radius · 100 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Wewak International AirportPapua New Guinea · WWK · AYWK
    96.1 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-10-04

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

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 eventM4.5
M4.52026-09-14 06:19:11 UTC104.8 kmKolum

Comparison of seismic sources

3 sources currently report magnitudes from M5.4 to M5.8.

Measurements can differ because agencies use different networks and calculation methods. Values may be revised.

SourceMagnitudeDepthPosition difference
GFZM5.810.0 km22.1 km
EMSCM5.4108.3 km7.5 km
USGSM5.4120.2 km0.0 km

Papua New Guinea

Context for this earthquake

04 Oct 2025 – 04 Oct 2026 · M ≥ 3.0 · 308 Catalogue entries

Of 307 other entries for this area and period, 33 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#6
Earlier events M≥443
Earlier events M≥59
Compared since2025-01-03

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

Strongest earlier events

M6.62025-05-20 15:06:02 UTC139.1 kmNear North Coast of Papua New Guinea M6.62025-05-20 15:05:59 UTC148.5 km111 km NE of Angoram, Papua New Guinea M6.42025-05-20 15:05:58 UTC112.6 kmNEAR N COAST OF NEW GUINEA, PNG. M5.92025-07-24 16:37:20 UTC34.6 kmNew Guinea, Papua New Guinea M5.72025-07-24 16:37:19 UTC35.4 kmNEW GUINEA, 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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