Skip to content
You are offline: the data shown may be out of date.

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.

Back to map
3.0

72 km SE of Akutan, Alaska

18 October 2026, 10:43:41 (+03) 2026-10-18 07:43:41 UTC

2 sources: EMSC, USGS ml
Did you feel this earthquake?
Magnitude
3.0 ml
Depth
35.0 km
Coordinates
53.6493, -165.0438
Data consistency
90/100

Regional activity (100 km)

Last 24 hours
0
Last 7 days
5
Last 30 days
55

Approximate energy released

≈ 0.5 t TNT

2.00e+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?

Your report adds to a community map of where and how this earthquake was felt. It takes less than a minute.

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

55 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 36
  • M3 13
  • M4 5
  • M5 1
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 6
  • 10–20 km 18
  • 20–40 km 25
  • 40–70 km 5
  • 70–150 km 1
  • 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
FOX ISLANDS, ALEUTIAN ISLANDS
 2.8 ml 35.0 km 07:43:41.254 Δt 0 sn · 0 km · ΔM -0.2 Original record
USGS Earthquake Hazards Program Displayed
72 km SE of Akutan, Alaska
 3.0 ml 35.0 km 07:43:41.254 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. 18.10.2026 11:17:54 · USGS · update

    depth: 50.4 → 35 latitude: 53.771 → 53.6493 longitude: -165.083 → -165.0438 magnitude: 2.8 → 3 time: 2026-10-18T07:43:42.577+00:00 → 2026-10-18T07:43:41.254+00:00 location: 60 km SE of Akutan, Alaska → 72 km SE of Akutan, Alaska

  2. 18.10.2026 11:17:54 · SISTEM · recompute

    depth: 50.4 → 35 latitude: 53.771 → 53.6493 longitude: -165.083 → -165.0438 magnitude: 2.8 → 3 time: 2026-10-18T07:43:42.577Z → 2026-10-18 07:43:41.254+00:00

  3. 18.10.2026 11:17:53 · SISTEM · recompute

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

This platform is provided for information and data visualisation purposes. Follow the announcements of the competent authorities for official emergency warnings.