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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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3.6

2 km NW of Knik, Alaska

16 October 2026, 17:49:43 (+03) 2026-10-16 14:49:43 UTC

2 sources: EMSC, USGS ml
Magnitude
3.6 ml
Depth
49.9 km
Coordinates
61.4740, -149.7690
Data consistency
90/100

Regional activity (100 km)

Last 24 hours
0
Last 7 days
9
Last 30 days
29

Approximate energy released

≈ 3.8 t TNT

1.58e+10 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 Maximum intensity (MMI): 3,6 Felt reports: 448 ShakeMap

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

32 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 21
  • M3 11
  • M4 0
  • M5 0
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 2
  • 10–20 km 2
  • 20–40 km 7
  • 40–70 km 13
  • 70–150 km 8
  • 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
SOUTHERN ALASKA
3.6 ml 49.9 km 14:49:43.136 Δt 0 sn · 0 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
2 km NW of Knik, Alaska
3.6 ml 49.9 km 14:49:43.136 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. 16.10.2026 21:05:18 · SISTEM · recompute

    source count: 1 → 2 review status: automatic → reviewed confirming sources: emsc → emsc,usgs preferred source: 3 → 4

  2. 16.10.2026 17:59:49 · EMSC · update

    depth: 28.5 → 49.9 latitude: 61.476 → 61.474 longitude: -149.788 → -149.769 time: 2026-10-16T14:49:42.657+00:00 → 2026-10-16T14:49:43.136+00:00

  3. 16.10.2026 17:59:49 · SISTEM · recompute

    depth: 28.5 → 49.9 latitude: 61.476 → 61.474 longitude: -149.788 → -149.769 time: 2026-10-16T14:49:42.657Z → 2026-10-16 14:49:43.136+00:00

  4. 16.10.2026 17:53:37 · EMSC · update

    depth: 61.5 → 28.5 latitude: 61.458 → 61.476 longitude: -149.786 → -149.788 time: 2026-10-16T14:49:42.708+00:00 → 2026-10-16T14:49:42.657+00:00

  5. 16.10.2026 17:53:37 · SISTEM · recompute

    depth: 61.5 → 28.5 latitude: 61.458 → 61.476 longitude: -149.786 → -149.788 time: 2026-10-16T14:49:42.708Z → 2026-10-16 14:49:42.657+00:00

  6. 16.10.2026 17:52:35 · EMSC · update

    depth: 27.6 → 61.5 latitude: 61.498 → 61.458 longitude: -149.785 → -149.786 magnitude: 3.8 → 3.6 time: 2026-10-16T14:49:42.527+00:00 → 2026-10-16T14:49:42.708+00:00

  7. 16.10.2026 17:52:35 · SISTEM · recompute

    depth: 27.6 → 61.5 latitude: 61.498 → 61.458 longitude: -149.785 → -149.786 magnitude: 3.8 → 3.6 time: 2026-10-16T14:49:42.527Z → 2026-10-16 14:49:42.708+00:00

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