M4.8 Depth: 421.4 km

M4.8 Earthquake near BOUGAINVILLE REGION, P.N.G.

UTC time: 2025-12-18 22:35:29 UTC Local time:

About this earthquake

A magnitude M4.8 earthquake was recorded near BOUGAINVILLE REGION, P.N.G. on December 18, 2025 at 22:35 UTC. The deep hypocenter at about 421 km dampens the shaking felt at the surface. Tremors of this size are distinctly felt and can occasionally cause light damage.

The event was recorded by EMSC.

Details

Magnitude
M4.8
Depth
421.4 km
UTC time
2025-12-18 22:35:29 UTC
Local time
Country
Source
emsc
Coordinates
-6.06170, 154.52920
Temperature
28.6°C

Map

Depth profile

Depth profile Depth: 421.4 km (Deep) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 421.4 km
Deep
421.4 km
Why depth matters

Deep quakes are felt over very large areas but rarely cause surface damage.

Depth classes per USGS

Volcanoes nearby

  • Balbi
    Distance: 55 km ·Stratovolcano ·Elevation: 2'715 m ·Papua New Guinea
  • Bagana
    Distance: 74 km ·Lava cone ·Elevation: 1'855 m ·Last eruption: 2026 ·Papua New Guinea
  • Billy Mitchell
    Distance: 77 km ·Caldera ·Elevation: 1'544 m ·Last eruption: 1580 ·Papua New Guinea
  • Takuan Group
    Distance: 127 km ·Compound ·Elevation: 2'210 m ·Papua New Guinea
  • Loloru
    Distance: 131 km ·Compound ·Elevation: 1'887 m ·Last eruption: -1050 ·Papua New Guinea
  • Rabaul
    Distance: 328 km ·Caldera ·Elevation: 688 m ·Last eruption: 2014 ·Papua New Guinea

Stats (last 24h)

Global (24h)
661
Country (24h)
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