Magnitude
M4.0
- Depth
- 10.0 km
- Source
- EMSC
Papua
Country overviewIndonesia
M4.0 Earthquake near BIAK REGION, INDONESIA (Indonesia)
Map
About this earthquake
On August 26, 2025 at 22:26 UTC, a magnitude M4.0 earthquake occurred near BIAK REGION, INDONESIA (Indonesia). The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.
The event was recorded by EMSC. Indonesia: over the past 24 hours, QuakeMap24 logged 32 earthquakes, the strongest at M4.8.
Details
Depth profile
Shallow
10 km
10 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
Radius · 50 km
Nearby infrastructure
Airports
- Frans Kaisiepo Airport24.5 kmStraight-line distance
Indonesia · BIK · WABB
Source: OurAirports · Dataset date: 2026-10-05
This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates
Papua
Context for this earthquake
05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 669 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 profileHistoric earthquake map · Indonesia
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Country statistics · Indonesia
View earthquake KPIs, strongest and latest events, and averages for this country.
Stats (last 24h)
Global (24h)
559
Country (24h)
Indonesia
32
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