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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

27 km E of Point Possession, Alaska

28 October 2026, 03:48:24 (+03) 2026-10-28 00:48:24 UTC

2 sources: EMSC, USGS ml
Did you feel this earthquake?
Magnitude
3.5 ml
Depth
43.0 km
Coordinates
60.8980, -150.1880
Data consistency
90/100

Regional activity (100 km)

Last 24 hours
0
Last 7 days
13
Last 30 days
34

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): 2,7 Felt reports: 83 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

36 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 23
  • M3 12
  • M4 1
  • M5 0
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 0
  • 10–20 km 2
  • 20–40 km 2
  • 40–70 km 20
  • 70–150 km 12
  • 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
KENAI PENINSULA, ALASKA
 3.5 ml 43.0 km 00:48:24.072 Δt 0 sn · 0 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
27 km E of Point Possession, Alaska
 3.5 ml 43.0 km 00:48:24.072 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. 28.10.2026 04:22:22 · USGS · update

    depth: 47.2 → 43 latitude: 60.89 → 60.898 time: 2026-10-28T00:48:24.044+00:00 → 2026-10-28T00:48:24.072+00:00 review status: automatic → reviewed

  2. 28.10.2026 04:22:22 · SISTEM · recompute

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

  3. 28.10.2026 04:22:21 · EMSC · update

    depth: 56.7 → 43 latitude: 60.9456 → 60.898 longitude: -150.2113 → -150.188 time: 2026-10-28T00:48:23.380+00:00 → 2026-10-28T00:48:24.072+00:00

  4. 28.10.2026 04:22:21 · SISTEM · recompute

    depth: 56.7 → 43 latitude: 60.9456 → 60.898 longitude: -150.2113 → -150.188 time: 2026-10-28T00:48:23.380Z → 2026-10-28 00:48:24.072+00:00

  5. 28.10.2026 04:14:52 · EMSC · update

    depth: 47.2 → 56.7 latitude: 60.89 → 60.9456 longitude: -150.188 → -150.2113 time: 2026-10-28T00:48:24.044+00:00 → 2026-10-28T00:48:23.380+00:00

  6. 28.10.2026 04:14:52 · SISTEM · recompute

    depth: 47.2 → 56.7 latitude: 60.89 → 60.9456 longitude: -150.188 → -150.2113 time: 2026-10-28T00:48:24.044Z → 2026-10-28 00:48:23.380+00:00

  7. 28.10.2026 03:51:47 · USGS · update

    depth: 51.2 → 47.2 latitude: 60.898 → 60.89 longitude: -150.201 → -150.188 magnitude: 3.6 → 3.5 time: 2026-10-28T00:48:23.921+00:00 → 2026-10-28T00:48:24.044+00:00 location: 26 km E of Point Possession, Alaska → 27 km E of Point Possession, Alaska

  8. 28.10.2026 03:51:46 · EMSC · update

    depth: 51.2 → 47.2 latitude: 60.898 → 60.89 longitude: -150.201 → -150.188 magnitude: 3.6 → 3.5 time: 2026-10-28T00:48:23.921+00:00 → 2026-10-28T00:48:24.044+00:00

  9. 28.10.2026 03:51:46 · SISTEM · recompute

    depth: 51.2 → 47.2 latitude: 60.898 → 60.89 longitude: -150.201 → -150.188 magnitude: 3.6 → 3.5 time: 2026-10-28T00:48:23.921Z → 2026-10-28 00:48:24.044+00:00

  10. 28.10.2026 03:50:47 · SISTEM · recompute

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

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