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You are offline: the data shown may be out of date.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
3.5

48 km N of Petersville, Alaska

9 November 2026, 11:28:35 (+03) 2026-11-09 08:28:35 UTC

2 sources: EMSC, USGS ml
Did you feel this earthquake?
Magnitude
3.5 ml
Depth
112.3 km
Coordinates
62.9260, -150.6400
Data consistency
90/100

Regional activity (100 km)

Last 24 hours
1
Last 7 days
8
Last 30 days
22

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).

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 Maximum intensity (MMI): 1,4 PAGER: green 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

33 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 23
  • M3 10
  • M4 0
  • M5 0
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 5
  • 10–20 km 3
  • 20–40 km 0
  • 40–70 km 2
  • 70–150 km 23
  • 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
CENTRAL ALASKA
 3.5 ml 112.3 km 08:28:35.483 Δt 0 sn · 0 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
48 km N of Petersville, Alaska
 3.5 ml 112.3 km 08:28:35.483 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. 09.11.2026 19:31:48 · USGS · update

    depth: 112.6 → 112.3 longitude: -150.632 → -150.64 time: 2026-11-09T08:28:35.531+00:00 → 2026-11-09T08:28:35.483+00:00 review status: automatic → reviewed

  2. 09.11.2026 19:31:48 · SISTEM · recompute

    review status: automatic → reviewed preferred source: 3 → 4

  3. 09.11.2026 19:31:46 · EMSC · update

    depth: 115.9 → 112.3 latitude: 62.9292 → 62.926 longitude: -150.7232 → -150.64 time: 2026-11-09T08:28:34.879+00:00 → 2026-11-09T08:28:35.483+00:00

  4. 09.11.2026 19:31:46 · SISTEM · recompute

    depth: 115.9 → 112.3 latitude: 62.9292 → 62.926 longitude: -150.7232 → -150.64 time: 2026-11-09T08:28:34.879Z → 2026-11-09 08:28:35.483+00:00

  5. 09.11.2026 11:47:11 · EMSC · update

    depth: 112.6 → 115.9 latitude: 62.926 → 62.9292 longitude: -150.632 → -150.7232 time: 2026-11-09T08:28:35.532+00:00 → 2026-11-09T08:28:34.879+00:00

  6. 09.11.2026 11:47:11 · SISTEM · recompute

    depth: 112.6 → 115.9 latitude: 62.926 → 62.9292 longitude: -150.632 → -150.7232 time: 2026-11-09T08:28:35.532Z → 2026-11-09 08:28:34.879+00:00

  7. 09.11.2026 11:46:05 · EMSC · update

    time: 2026-11-09T08:28:35.532+00:00 → 2026-11-09T08:28:35.531+00:00

  8. 09.11.2026 11:45:02 · EMSC · update

    time: 2026-11-09T08:28:35.532+00:00 → 2026-11-09T08:28:35.531+00:00

  9. 09.11.2026 11:44:02 · EMSC · update

    time: 2026-11-09T08:28:35.532+00:00 → 2026-11-09T08:28:35.531+00:00

  10. 09.11.2026 11:42:57 · EMSC · update

    time: 2026-11-09T08:28:35.532+00:00 → 2026-11-09T08:28:35.531+00:00

  11. 09.11.2026 11:35:37 · EMSC · update

    time: 2026-11-09T08:28:35.532+00:00 → 2026-11-09T08:28:35.531+00:00

  12. 09.11.2026 11:32:36 · USGS · update

    depth: 111.3 → 112.6 latitude: 62.946 → 62.926 longitude: -150.675 → -150.632 time: 2026-11-09T08:28:35.525+00:00 → 2026-11-09T08:28:35.531+00:00 location: 50 km N of Petersville, Alaska → 48 km N of Petersville, Alaska

  13. 09.11.2026 11:32:32 · EMSC · update

    depth: 111.3 → 112.6 latitude: 62.946 → 62.926 longitude: -150.675 → -150.632 time: 2026-11-09T08:28:35.526+00:00 → 2026-11-09T08:28:35.531+00:00

  14. 09.11.2026 11:32:32 · SISTEM · recompute

    depth: 111.3 → 112.6 latitude: 62.946 → 62.926 longitude: -150.675 → -150.632 time: 2026-11-09T08:28:35.526Z → 2026-11-09 08:28:35.532+00:00

  15. 09.11.2026 11:31:33 · USGS · update

    depth: 114.3 → 111.3 latitude: 62.927 → 62.946 longitude: -150.713 → -150.675 time: 2026-11-09T08:28:35.149+00:00 → 2026-11-09T08:28:35.525+00:00 location: 48 km N of Petersville, Alaska → 50 km N of Petersville, Alaska

  16. 09.11.2026 11:31:31 · EMSC · update

    depth: 114.3 → 111.3 latitude: 62.927 → 62.946 longitude: -150.713 → -150.675 time: 2026-11-09T08:28:35.150+00:00 → 2026-11-09T08:28:35.525+00:00

  17. 09.11.2026 11:31:31 · SISTEM · recompute

    depth: 114.3 → 111.3 latitude: 62.927 → 62.946 longitude: -150.713 → -150.675 time: 2026-11-09T08:28:35.150Z → 2026-11-09 08:28:35.526+00:00

  18. 09.11.2026 11:30:33 · SISTEM · recompute

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

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