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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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4.2

38 km NE of Castlepoint, New Zealand

19 October 2026, 20:27:57 (+03) 2026-10-19 17:27:57 UTC

2 sources: EMSC, USGS mb
Did you feel this earthquake?
Magnitude
4.2 mb
Depth
23.6 km
Coordinates
-40.6194, 176.4911
Data consistency
87/100

Regional activity (100 km)

Last 24 hours
0
Last 7 days
0
Last 30 days
6

Approximate energy released

≈ 30 t TNT

1.26e+11 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

8 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 0
  • M3 5
  • M4 3
  • M5 0
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 0
  • 10–20 km 3
  • 20–40 km 4
  • 40–70 km 1
  • 70–150 km 0
  • 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

Sources report different values.
Agency Magnitude Depth Time (UTC) Difference from master Original record
EMSC-CSEM
NORTH ISLAND OF NEW ZEALAND
 4.0 ml 19.1 km 17:27:58.732 Δt 0.97 sn · 11.98 km · ΔM -0.2 Original record
USGS Earthquake Hazards Program Displayed
38 km NE of Castlepoint, New Zealand
 4.2 mb 23.6 km 17:27:57.758 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. 22.10.2026 22:08:03 · SISTEM · recompute

    depth: 19.1 → 23.58 latitude: -40.5333 → -40.6194 longitude: 176.4058 → 176.4911 magnitude: 4 → 4.2 time: 2026-10-19T17:27:58.732Z → 2026-10-19 17:27:57.758+00:00 source count: 1 → 2 review status: automatic → reviewed magnitude type: ml → mb confirming sources: emsc → emsc,usgs preferred source: 3 → 4

  2. 19.10.2026 21:35:41 · EMSC · update

    time: 2026-10-19T17:27:58.732+00:00 → 2026-10-19T17:27:58.731+00:00

  3. 19.10.2026 21:34:38 · EMSC · update

    time: 2026-10-19T17:27:58.732+00:00 → 2026-10-19T17:27:58.731+00:00

  4. 19.10.2026 21:33:33 · EMSC · update

    time: 2026-10-19T17:27:58.732+00:00 → 2026-10-19T17:27:58.731+00:00

  5. 19.10.2026 21:32:49 · EMSC · update

    time: 2026-10-19T17:27:58.732+00:00 → 2026-10-19T17:27:58.731+00:00

  6. 19.10.2026 21:31:31 · EMSC · update

    time: 2026-10-19T17:27:58.732+00:00 → 2026-10-19T17:27:58.731+00:00

  7. 19.10.2026 21:30:26 · EMSC · update

    time: 2026-10-19T17:27:58.732+00:00 → 2026-10-19T17:27:58.731+00:00

  8. 19.10.2026 21:29:16 · EMSC · update

    time: 2026-10-19T17:27:58.732+00:00 → 2026-10-19T17:27:58.731+00:00

  9. 19.10.2026 21:25:07 · EMSC · update

    time: 2026-10-19T17:27:58.732+00:00 → 2026-10-19T17:27:58.731+00:00

  10. 19.10.2026 21:24:07 · EMSC · update

    time: 2026-10-19T17:27:58.732+00:00 → 2026-10-19T17:27:58.731+00:00

  11. 19.10.2026 21:22:03 · EMSC · update

    time: 2026-10-19T17:27:58.732+00:00 → 2026-10-19T17:27:58.731+00:00

  12. 19.10.2026 21:17:49 · EMSC · update

    time: 2026-10-19T17:27:58.732+00:00 → 2026-10-19T17:27:58.731+00:00

  13. 19.10.2026 21:16:44 · EMSC · update

    time: 2026-10-19T17:27:58.732+00:00 → 2026-10-19T17:27:58.731+00:00

  14. 19.10.2026 21:13:36 · EMSC · update

    time: 2026-10-19T17:27:58.732+00:00 → 2026-10-19T17:27:58.731+00:00

  15. 19.10.2026 21:10:27 · EMSC · update

    time: 2026-10-19T17:27:58.732+00:00 → 2026-10-19T17:27:58.731+00:00

  16. 19.10.2026 21:09:21 · EMSC · update

    time: 2026-10-19T17:27:58.732+00:00 → 2026-10-19T17:27:58.731+00:00

  17. 19.10.2026 21:08:17 · EMSC · update

    time: 2026-10-19T17:27:58.732+00:00 → 2026-10-19T17:27:58.731+00:00

  18. 19.10.2026 21:06:05 · EMSC · update

    time: 2026-10-19T17:27:58.732+00:00 → 2026-10-19T17:27:58.731+00:00

  19. 19.10.2026 21:02:06 · EMSC · update

    time: 2026-10-19T17:27:58.732+00:00 → 2026-10-19T17:27:58.731+00:00

  20. 19.10.2026 21:01:02 · EMSC · update

    time: 2026-10-19T17:27:58.732+00:00 → 2026-10-19T17:27:58.731+00:00

  21. 19.10.2026 20:58:45 · EMSC · update

    time: 2026-10-19T17:27:58.732+00:00 → 2026-10-19T17:27:58.731+00:00

  22. 19.10.2026 20:57:41 · EMSC · update

    time: 2026-10-19T17:27:58.732+00:00 → 2026-10-19T17:27:58.731+00:00

  23. 19.10.2026 20:56:39 · EMSC · update

    time: 2026-10-19T17:27:58.732+00:00 → 2026-10-19T17:27:58.731+00:00

  24. 19.10.2026 20:55:37 · EMSC · update

    time: 2026-10-19T17:27:58.732+00:00 → 2026-10-19T17:27:58.731+00:00

  25. 19.10.2026 20:52:23 · EMSC · update

    time: 2026-10-19T17:27:58.732+00:00 → 2026-10-19T17:27:58.731+00:00

  26. 19.10.2026 20:50:23 · EMSC · update

    time: 2026-10-19T17:27:58.732+00:00 → 2026-10-19T17:27:58.731+00:00

  27. 19.10.2026 20:46:17 · EMSC · update

    time: 2026-10-19T17:27:58.732+00:00 → 2026-10-19T17:27:58.731+00:00

  28. 19.10.2026 20:44:00 · EMSC · update

    time: 2026-10-19T17:27:58.732+00:00 → 2026-10-19T17:27:58.731+00:00

  29. 19.10.2026 20:39:54 · EMSC · update

    time: 2026-10-19T17:27:58.732+00:00 → 2026-10-19T17:27:58.731+00:00

  30. 19.10.2026 20:37:47 · EMSC · update

    time: 2026-10-19T17:27:58.732+00:00 → 2026-10-19T17:27:58.731+00:00

  31. 19.10.2026 20:36:44 · EMSC · update

    time: 2026-10-19T17:27:58.732+00:00 → 2026-10-19T17:27:58.731+00:00

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