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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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3.3

3 km SSW of Pāhala, Hawaii

23 October 2026, 18:52:30 (+03) 2026-10-23 15:52:30 UTC

2 sources: EMSC, USGS ml
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Magnitude
3.3 ml
Depth
29.2 km
Coordinates
19.1738, -155.4912
Data consistency
90/100

Regional activity (100 km)

Last 24 hours
4
Last 7 days
33
Last 30 days
183

Approximate energy released

≈ 1.3 t TNT

5.62e+9 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 Felt reports: 6

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

218 earthquakes

By magnitude

  • M0 0
  • M1 58
  • M2 151
  • M3 9
  • M4 0
  • M5 0
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 59
  • 10–20 km 12
  • 20–40 km 135
  • 40–70 km 12
  • 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

Agency Magnitude Depth Time (UTC) Difference from master Original record
EMSC-CSEM
ISLAND OF HAWAII, HAWAII
 3.2 ml 33.2 km 15:52:29.272 Δt 1.32 sn · 2.38 km · ΔM -0.1 Original record
USGS Earthquake Hazards Program Displayed
3 km SSW of Pāhala, Hawaii
 3.3 ml 29.2 km 15:52:30.590 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. 23.10.2026 21:12:10 · USGS · update

    depth: 27.65 → 29.18 latitude: 19.16717 → 19.17383 longitude: -155.49634 → -155.49117 magnitude: 3.1 → 3.3 time: 2026-10-23T15:52:30.580+00:00 → 2026-10-23T15:52:30.590+00:00 location: 4 km SSW of Pāhala, Hawaii → 3 km SSW of Pāhala, Hawaii review status: automatic → reviewed

  2. 23.10.2026 21:12:10 · SISTEM · recompute

    depth: 33.2 → 29.18 latitude: 19.1938 → 19.17383 longitude: -155.4996 → -155.49117 magnitude: 3.2 → 3.3 time: 2026-10-23T15:52:29.272Z → 2026-10-23 15:52:30.590+00:00 review status: automatic → reviewed preferred source: 3 → 4

  3. 23.10.2026 18:58:49 · EMSC · update

    depth: 27.6 → 33.2 latitude: 19.1672 → 19.1938 longitude: -155.4963 → -155.4996 magnitude: 3.1 → 3.2 time: 2026-10-23T15:52:30.580+00:00 → 2026-10-23T15:52:29.272+00:00

  4. 23.10.2026 18:58:49 · SISTEM · recompute

    depth: 27.6 → 33.2 latitude: 19.1672 → 19.1938 longitude: -155.4963 → -155.4996 magnitude: 3.1 → 3.2 time: 2026-10-23T15:52:30.580Z → 2026-10-23 15:52:29.272+00:00

  5. 23.10.2026 18:55:43 · SISTEM · recompute

    source count: 1 → 2 confirming sources: emsc → emsc,usgs

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