Magnitude
M3.1
- Depth
- 21.0 km
- Source
- EMSC
Papua
Country overviewIndonesia
M3.1 Earthquake near BIAK REGION, INDONESIA (Indonesia)
Map
About this earthquake
A magnitude M3.1 earthquake was recorded near BIAK REGION, INDONESIA (Indonesia) on December 6, 2025 at 21:14 UTC. The hypocenter lay relatively close to the surface at around 21 km, increasing how strongly it was felt. Shaking of this size is frequently noticed but usually harmless.
The event was recorded by EMSC. Indonesia: over the past 24 hours, QuakeMap24 logged 41 earthquakes, the strongest at M6.0.
Details
Depth profile
Shallow
21 km
21 km — shallower than the regional average (43.3 km)
Regional average: 43.3 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
Papua
Context for this earthquake
04 Oct 2025 – 04 Oct 2026 · M ≥ 3.0 · 671 Catalogue entries
Of 670 other entries for this area and period, 503 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.
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Country statistics · Indonesia
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Stats (last 24h)
Global (24h)
494
Country (24h)
Indonesia
41
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