M2.7
Depth:
21.0 km
M2.7 Earthquake near BIAK REGION, INDONESIA (Indonesia)
About this earthquake
On August 21, 2025 at 17:02 UTC, a magnitude M2.7 earthquake occurred near BIAK REGION, INDONESIA (Indonesia). With a focal depth of about 21 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.
The event was recorded by EMSC. Indonesia: 53 earthquakes were recorded in the past 24 hours, the strongest reaching M4.9.
Map
Depth profile
Shallow
21 km
21 km — shallower than the regional average (49.7 km)
Regional average: 49.7 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
Historic earthquake map · Indonesia
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Country statistics · Indonesia
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Stats (last 24h)
Global (24h)
623
Country (24h)
Indonesia
53
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