Earthquake · Reviewed by USGS
M4.0 earthquake 40 km NE of Ambunti, Papua New Guinea
A magnitude 4.0 earthquake struck 40 km NE of Ambunti, Papua New Guinea at Aug 28, 2025, 08:29 UTC, at a depth of 86 km. The epicentre was 77 km (48 mi) SW of Wewak.
Details
| Magnitude | 4.0 mb |
|---|---|
| Time | Aug 28, 2025, 08:29 UTC |
| Depth | 86.3 km |
| Coordinates | -3.968, 143.081 |
| Felt reports | 0 |
| Tsunami flag | None |
| Source | USGS event page |
01 — Nearby
Nearest cities
02 — Around it
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USGS can revise magnitude and location after the first report. See magnitude vs intensity and aftershocks.