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Indonesia · Papua

M3.1 Earthquake near Mamberamo Raya, Papua (Indonesia)

UTC time: 2026-08-04 20:00:19 UTC Local time: —

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About this earthquake

On August 4, 2026 at 20:00 UTC, a magnitude M3.1 earthquake occurred near Mamberamo Raya, Papua (Indonesia). With a focal depth of about 33 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Shaking of this size is frequently noticed but usually harmless.

The data is provided by EMSC and cross-checked across seismological networks. Indonesia: over the past 24 hours, QuakeMap24 logged 43 earthquakes, the strongest at M5.0.

Details

ID
8f6a30ce2bc3092d0667a2285822eee759435ee6
Magnitude
M3.1
Depth
33.0 km
UTC time
2026-08-04 20:00:19 UTC
Local time
—
Country
Indonesia
State
Papua
City
Mamberamo Raya
County
Mamberamo Raya
Source
emsc
Coordinates
-2.67000, 139.19000
Temperature
22.2°C

Depth profile

Depth profile Depth: 33 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 33 km
Shallow
33 km
33 km — shallower than the regional average (43.4 km)
Regional average: 43.4 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

25 Sep 2025 – 25 Sep 2026 · M ≥ 3.0 · 679 Catalogue entries

Of 678 other entries for this area and period, 509 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

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Historic earthquake map · Indonesia

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Country statistics · Indonesia

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