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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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3.1

14 km NNW of Wai‘ōhinu, Hawaii

18 October 2026, 23:19:51 (+03) 2026-10-18 20:19:51 UTC

2 sources: EMSC, USGS ml
Magnitude
3.1 ml
Depth
-1.2 km
Coordinates
19.1878, -155.6837
Data consistency
90/100

Regional activity (100 km)

Last 24 hours
4
Last 7 days
36
Last 30 days
186

Approximate energy released

≈ 0.7 t TNT

2.82e+9 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 Felt reports: 4

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

221 earthquakes

By magnitude

  • M0 0
  • M1 58
  • M2 154
  • M3 9
  • M4 0
  • M5 0
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 62
  • 10–20 km 12
  • 20–40 km 136
  • 40–70 km 11
  • 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
3.0 ml -1.1 km 20:19:51.120 Δt 0 sn · 0 km · ΔM -0.1 Original record
USGS Earthquake Hazards Program Displayed
14 km NNW of Wai‘ōhinu, Hawaii
3.1 ml -1.2 km 20:19:51.120 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. 19.10.2026 22:31:29 · EMSC · update

    depth: 5 → -1.1 latitude: 19.1788 → 19.1878 longitude: -155.6923 → -155.6837 time: 2026-10-18T20:19:52.045+00:00 → 2026-10-18T20:19:51.120+00:00

  2. 19.10.2026 22:31:18 · USGS · update

    depth: -0.32 → -1.15 latitude: 19.18017 → 19.18783 longitude: -155.69766 → -155.68367 magnitude: 2.9 → 3.1 time: 2026-10-18T20:19:51.090+00:00 → 2026-10-18T20:19:51.120+00:00 location: 14 km NNE of Hawaiian Ocean View, Hawaii → 14 km NNW of Wai‘ōhinu, Hawaii review status: automatic → reviewed

  3. 19.10.2026 22:31:18 · SISTEM · recompute

    depth: 5 → -1.15 latitude: 19.1788 → 19.18783 longitude: -155.6923 → -155.68367 magnitude: 3 → 3.1 time: 2026-10-18T20:19:52.045Z → 2026-10-18 20:19:51.120+00:00 review status: automatic → reviewed preferred source: 3 → 4

  4. 18.10.2026 23:49:47 · EMSC · update

    depth: -0.3 → 5 latitude: 19.1802 → 19.1788 longitude: -155.6977 → -155.6923 magnitude: 2.9 → 3 time: 2026-10-18T20:19:51.090+00:00 → 2026-10-18T20:19:52.045+00:00

  5. 18.10.2026 23:49:47 · SISTEM · recompute

    depth: -0.3 → 5 latitude: 19.1802 → 19.1788 longitude: -155.6977 → -155.6923 magnitude: 2.9 → 3 time: 2026-10-18T20:19:51.090Z → 2026-10-18 20:19:52.045+00:00

  6. 18.10.2026 23:23:53 · SISTEM · recompute

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

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