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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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2.7

84 km S of Nikolski, Alaska

20 September 2026, 18:14:05 (+03) 2026-09-20 15:14:05 UTC

1 source: USGS ml
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Magnitude
2.7 ml
Depth
10.0 km
Coordinates
52.1836, -168.7521
Data consistency
58/100

Regional activity (100 km)

Last 24 hours
1
Last 7 days
9
Last 30 days
29

Approximate energy released

≈ 0.2 t TNT

7.08e+8 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

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

36 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 13
  • M3 17
  • M4 6
  • M5 0
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 9
  • 10–20 km 17
  • 20–40 km 5
  • 40–70 km 3
  • 70–150 km 2
  • 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
USGS Earthquake Hazards Program Displayed
84 km S of Nikolski, Alaska
 2.7 ml 10.0 km 15:14:05.228 Δt 0 sn · 0 km · ΔM 0 Original record

This value summarises agreement between sources; it is not a measure of scientific accuracy. U.S. Geological Survey (USGS) Earthquake Hazards Program — Public domain (U.S. Government)

Revision history

  1. 26.09.2026 18:06:02 · USGS · update

    depth: 7.1 → 10 latitude: 52.138 → 52.1836 longitude: -168.674 → -168.7521 magnitude: 2.9 → 2.7 time: 2026-09-20T15:14:04.659+00:00 → 2026-09-20T15:14:05.228+00:00 location: 90 km S of Nikolski, Alaska → 84 km S of Nikolski, Alaska

  2. 26.09.2026 18:06:02 · SISTEM · recompute

    depth: 7.1 → 10 latitude: 52.138 → 52.1836 longitude: -168.674 → -168.7521 magnitude: 2.9 → 2.7 time: 2026-09-20T15:14:04.659Z → 2026-09-20 15:14:05.228+00:00

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