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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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4.3

83 km N of Opotiki, New Zealand

17 October 2026, 14:32:25 (+03) 2026-10-17 11:32:25 UTC

2 sources: EMSC, USGS mb
Magnitude
4.3 mb
Depth
133.4 km
Coordinates
-37.2587, 177.3673
Data consistency
86/100

Regional activity (100 km)

Last 24 hours
1
Last 7 days
8
Last 30 days
25

Approximate energy released

≈ 43 t TNT

1.78e+11 J

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

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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

29 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 0
  • M3 24
  • M4 5
  • M5 0
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 1
  • 10–20 km 1
  • 20–40 km 3
  • 40–70 km 1
  • 70–150 km 4
  • 150+ km 19

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
OFF E. COAST OF N. ISLAND, N.Z.
4.3 mb 130.0 km 11:32:22.700 Δt 2.95 sn · 13.23 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
83 km N of Opotiki, New Zealand
4.3 mb 133.4 km 11:32:25.645 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. 18.10.2026 06:25:00 · EMSC · update

    depth: 133.4 → 130 latitude: -37.2587 → -37.2498 longitude: 177.3673 → 177.2186 time: 2026-10-17T11:32:25.645+00:00 → 2026-10-17T11:32:22.700+00:00 magnitude type: m → mb

  2. 17.10.2026 15:18:52 · SISTEM · recompute

    depth: 133.4 → 133.38 source count: 1 → 2 review status: automatic → reviewed magnitude type: m → mb confirming sources: emsc → emsc,usgs preferred source: 3 → 4

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