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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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3.5

ISLAND OF HAWAII, HAWAII

27 September 2026, 16:30:35 (+03) 2026-09-27 13:30:35 UTC

2 sources: EMSC, USGS ml
Magnitude
3.5 ml
Depth
12.3 km
Coordinates
19.3793, -155.0996
Data consistency
85/100

Regional activity (100 km)

Last 24 hours
4
Last 7 days
34
Last 30 days
181

Approximate energy released

≈ 2.7 t TNT

1.12e+10 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

213 earthquakes

By magnitude

  • M0 0
  • M1 58
  • M2 146
  • 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 131
  • 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

Sources report different values.
Agency Magnitude Depth Time (UTC) Difference from master Original record
EMSC-CSEM Displayed
ISLAND OF HAWAII, HAWAII
3.5 ml 12.3 km 13:30:35.923 Δt 0 sn · 0 km · ΔM 0 Original record
USGS Earthquake Hazards Program
12 km SSE of Fern Forest, Hawaii
3.3 ml 4.7 km 13:30:36.020 Δt 0.1 sn · 2.15 km · ΔM -0.2 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 16:36:49 · EMSC · update

    depth: 4.7 → 12.3 latitude: 19.3642 → 19.3793 longitude: -155.0868 → -155.0996 magnitude: 3.3 → 3.5 time: 2026-09-27T13:30:36.020+00:00 → 2026-09-27T13:30:35.923+00:00

  2. 27.09.2026 16:36:49 · SISTEM · recompute

    depth: 4.7 → 12.3 latitude: 19.3642 → 19.3793 longitude: -155.0868 → -155.0996 magnitude: 3.3 → 3.5 time: 2026-09-27T13:30:36.020Z → 2026-09-27 13:30:35.923+00:00

  3. 27.09.2026 16:34:43 · SISTEM · recompute

    depth: 4.72 → 4.7 latitude: 19.36417 → 19.3642 longitude: -155.08684 → -155.0868 source count: 1 → 2 confirming sources: usgs → emsc,usgs preferred source: 4 → 3

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