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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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4.9

78 km ESE of Kokopo, Papua New Guinea

27 September 2026, 00:49:27 (+03) 2026-09-26 21:49:27 UTC

2 sources: EMSC, USGS mb
Did you feel this earthquake?
Magnitude
4.9 mb
Depth
63.6 km
Coordinates
-4.6357, 152.9096
Data consistency
90/100

Regional activity (100 km)

Last 24 hours
0
Last 7 days
0
Last 30 days
4

Approximate energy released

≈ 338 t TNT

1.41e+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

9 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 0
  • M3 0
  • M4 4
  • M5 5
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 0
  • 10–20 km 3
  • 20–40 km 0
  • 40–70 km 4
  • 70–150 km 2
  • 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 BRITAIN REGION, P.N.G.
 4.9 mb 58.0 km 21:49:27.190 Δt 0.35 sn · 3.73 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
78 km ESE of Kokopo, Papua New Guinea
 4.9 mb 63.6 km 21:49:27.543 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. 27.09.2026 17:36:14 · EMSC · update

    depth: 63.6 → 58 latitude: -4.6357 → -4.6616 longitude: 152.9096 → 152.8881 time: 2026-09-26T21:49:27.543+00:00 → 2026-09-26T21:49:27.190+00:00

  2. 27.09.2026 01:07:45 · SISTEM · recompute

    depth: 63.6 → 63.57 source count: 1 → 2 review status: automatic → reviewed confirming sources: emsc → emsc,usgs preferred source: 3 → 4

  3. 27.09.2026 01:07:44 · EMSC · update

    depth: 58 → 63.6 latitude: -4.67 → -4.6357 longitude: 152.8211 → 152.9096 magnitude: 5.2 → 4.9 time: 2026-09-26T21:49:26.670+00:00 → 2026-09-26T21:49:27.543+00:00

  4. 27.09.2026 01:07:44 · SISTEM · recompute

    depth: 58 → 63.6 latitude: -4.67 → -4.6357 longitude: 152.8211 → 152.9096 magnitude: 5.2 → 4.9 time: 2026-09-26T21:49:26.670Z → 2026-09-26 21:49:27.543+00:00

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