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Significant earthquake

This summarises a recorded earthquake only; it is not a warning or a prediction. Follow AFAD and the competent authorities for official statements and guidance.

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5.4

33 km ESE of Ambunti, Papua New Guinea

25 October 2026, 13:30:27 (+03) 2026-10-25 10:30:27 UTC

2 sources: EMSC, USGS mww
Did you feel this earthquake?
Magnitude
5.4 mww
Depth
72.4 km
Coordinates
-4.3644, 143.0843
Data consistency
89/100

Regional activity (100 km)

Last 24 hours
0
Last 7 days
0
Last 30 days
2

Approximate energy released

≈ 1.9 kt TNT

7.94e+12 J

Approximated with the Gutenberg–Richter relation (log E = 1.5 M + 4.8); depends on magnitude type. Gutenberg & Richter (1956).

Did you feel this earthquake?

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Community reports

Based on voluntary reports from users; not an instrumental measurement or official intensity. For official information follow AFAD and Kandilli Observatory announcements.

Impact information reported by sources

  • USGS Earthquake Hazards Program Tsunami flag: No

These values are automatic products of the respective agency, not an assessment by this platform. For tsunami warnings follow the Kandilli Observatory Regional Earthquake-Tsunami Monitoring Center and AFAD.

Nearby places

No records.

Nearby faults (50 km)

No mapped fault within 50 km.

Last year, within 100 km

2 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 0
  • M3 0
  • M4 0
  • M5 2
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 0
  • 10–20 km 1
  • 20–40 km 0
  • 40–70 km 0
  • 70–150 km 1
  • 150+ km 0

Largest previous earthquakes within 100 km

Largest earthquakes in the platform catalogue and entries from historical catalogues (with citation).

Comparison with past records

…

No earlier earthquakes are recorded in this area.

  • Source:

Where does this earthquake come from?

Source comparison

Agency Magnitude Depth Time (UTC) Difference from master Original record
EMSC-CSEM
NEW GUINEA, PAPUA NEW GUINEA
 5.4 mw 89.0 km 10:30:29.690 Δt 2.1 sn · 7.94 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
33 km ESE of Ambunti, Papua New Guinea
 5.4 mww 72.4 km 10:30:27.588 Δt 0 sn · 0 km · ΔM 0 Original record

This value summarises agreement between sources; it is not a measure of scientific accuracy. Euro-Mediterranean Seismological Centre (EMSC-CSEM) — CC BY 4.0 U.S. Geological Survey (USGS) Earthquake Hazards Program — Public domain (U.S. Government)

Revision history

  1. 25.10.2026 22:37:01 · EMSC · update

    depth: 72.3 → 89 latitude: -4.3644 → -4.3391 longitude: 143.0843 → 143.0174 time: 2026-10-25T10:30:27.588+00:00 → 2026-10-25T10:30:29.690+00:00

  2. 25.10.2026 13:47:42 · SISTEM · recompute

    depth: 72.3 → 72.35 source count: 1 → 2 review status: automatic → reviewed magnitude type: mw → mww confirming sources: emsc → emsc,usgs preferred source: 3 → 4

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