M3.9
Depth:
31.0 km
M3.9 Earthquake near Waropen, Papua (Indonesia)
About this earthquake
On April 28, 2026 at 21:01 UTC, a magnitude M3.9 earthquake occurred near Waropen, Papua (Indonesia). With a focal depth of about 31 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are often felt but rarely cause damage.
The event was recorded by EMSC. Indonesia: over the past 24 hours, QuakeMap24 logged 152 earthquakes, the strongest at M5.1.
Map
Depth profile
Shallow
31 km
31 km — shallower than the regional average (49.8 km)
Regional average: 49.8 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)
790
Country (24h)
Indonesia
152
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