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Papua New Guinea · East Sepik

M4.6 Earthquake near Biwat, East Sepik (Papua New Guinea)

UTC time: 2026-10-07 17:36:14 UTC Local time: —

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About this earthquake

On October 7, 2026 at 17:36 UTC, a magnitude M4.6 earthquake occurred near Biwat, East Sepik (Papua New Guinea). At around 101 km, the focal depth places this among intermediate-depth events. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The event was recorded by USGS. Papua New Guinea: 2 earthquakes were recorded in the past 24 hours, the strongest reaching M4.9.

Details

ID
d724908754c9b86862a5fe8d7327c294d853c14f
Magnitude
M4.6
Depth
101.5 km
UTC time
2026-10-07 17:36:14 UTC
Local time
—
Country
Papua New Guinea
State
East Sepik
City
Biwat
County
Angoram District
Village
Biwat
Source
usgs
Coordinates
-4.44730, 143.85580
Temperature
23.3°C

Depth profile

Depth profile Depth: 101.5 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 101.5 km
Intermediate
101.5 km
101.5 km — deeper than the regional average (80.7 km)
Regional average: 80.7 km
Why depth matters

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

Depth classes per USGS

Tectonic context

Located on the Woodlark Plate.
Near the boundary South Bismarck ↔ Woodlark · about 76 km away

Volcanoes nearby

  • Kadovar
    Distance: 124 km ·Stratovolcano ·Elevation: 365 m ·Last eruption: 2023 ·Papua New Guinea
  • Blup Blup
    Distance: 134 km ·Stratovolcano ·Elevation: 402 m ·Papua New Guinea
  • Manam
    Distance: 137 km ·Stratovolcano ·Elevation: 1'807 m ·Last eruption: 2026 ·Papua New Guinea
  • Bam
    Distance: 141 km ·Stratovolcano ·Elevation: 685 m ·Last eruption: 1960 ·Papua New Guinea
  • Karkar
    Distance: 236 km ·Stratovolcano ·Elevation: 1'839 m ·Last eruption: 1979 ·Papua New Guinea
  • Hankow Reef
    Distance: 321 km ·Stratovolcano ·Elevation: -5 m ·Papua New Guinea

Papua New Guinea

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 307 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

Open seismic profile

Historic earthquake map · Papua New Guinea

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Country statistics · Papua New Guinea

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

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