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Papua New Guinea · Sandaun

M4.5 Earthquake near Senagi, Sandaun (Papua New Guinea)

UTC time: 2026-08-28 12:21:37 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.

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About this earthquake

On August 28, 2026 at 12:21 UTC, a magnitude M4.5 earthquake occurred near Senagi, Sandaun (Papua New Guinea). With a focal depth of about 10 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The event was recorded by USGS. Papua New Guinea: over the past 24 hours, QuakeMap24 logged 2 earthquakes, the strongest at M6.4.

Details

ID
3b32d71824075c27d774e42444b4d43fcda28c1c
Magnitude
M4.5
Depth
10.0 km
UTC time
2026-08-28 12:21:37 UTC
Local time
—
Country
Papua New Guinea
State
Sandaun
City
Senagi
County
Vanimo-Green River District
Village
Senagi
Source
usgs
Coordinates
-3.66510, 141.20380
Temperature
21.7°C

Depth profile

Depth profile Depth: 10 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10 km
Shallow
10 km
10 km — shallower than the regional average (83.2 km)
Regional average: 83.2 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

Tectonic context

Located on the Woodlark Plate.
Near the boundary Woodlark ↔ Maoke · about 106 km away

Volcanoes nearby

  • Kadovar
    Distance: 376 km ·Stratovolcano ·Elevation: 365 m ·Last eruption: 2023 ·Papua New Guinea
  • Blup Blup
    Distance: 378 km ·Stratovolcano ·Elevation: 402 m ·Papua New Guinea
  • Bam
    Distance: 401 km ·Stratovolcano ·Elevation: 685 m ·Last eruption: 1960 ·Papua New Guinea
  • Manam
    Distance: 428 km ·Stratovolcano ·Elevation: 1'807 m ·Last eruption: 2026 ·Papua New Guinea

Sandaun

Context for this earthquake

20 Sep 2025 – 20 Sep 2026 · M ≥ 3.0 · 51 Catalogue entries

Of 50 other entries for this area and period, 3 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

Historic earthquake map · Papua New Guinea

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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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