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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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4.0

31 km NNE of Banff, Canada

16 October 2026, 13:46:48 (+03) 2026-10-16 10:46:48 UTC

3 sources: EMSC, USGS, GFZ mb
Did you feel this earthquake?
Magnitude
4.0 mb
Depth
8.3 km
Coordinates
51.4534, -115.4536
Data consistency
96/100

Regional activity (100 km)

Last 24 hours
0
Last 7 days
0
Last 30 days
1

Approximate energy released

≈ 15 t TNT

6.31e+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): 3,8 Felt reports: 24 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

1 earthquakes

By magnitude

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

By depth

  • 0–10 km 1
  • 10–20 km 0
  • 20–40 km 0
  • 40–70 km 0
  • 70–150 km 0
  • 150+ km 0

Largest previous earthquakes within 100 km

Largest earthquakes in the platform catalogue and entries from historical catalogues (with citation).

No records.

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
ALBERTA, CANADA
 4.0 mb 10.0 km 10:46:49.890 Δt 1.32 sn · 6.72 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
31 km NNE of Banff, Canada
 4.0 mb 8.3 km 10:46:48.569 Δt 0 sn · 0 km · ΔM 0 Original record
GFZ GEOFON
Alberta, Canada
 4.1 ML 10.0 km 10:46:50.630 Δt 2.06 sn · 10.93 km · ΔM +0.1 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) GEOFON Program, GFZ Helmholtz Centre for Geosciences — CC BY 4.0

Revision history

  1. 16.10.2026 21:05:19 · SISTEM · recompute

    depth: 10 → 8.34 latitude: 51.4698 → 51.4534 longitude: -115.3605 → -115.4536 time: 2026-10-16T10:46:49.890Z → 2026-10-16 10:46:48.569+00:00 source count: 2 → 3 review status: automatic → reviewed confirming sources: emsc,gfz → emsc,usgs,gfz preferred source: 3 → 4

  2. 16.10.2026 14:54:52 · EMSC · update

    depth: 8.3 → 10 latitude: 51.4534 → 51.4698 longitude: -115.4536 → -115.3605 time: 2026-10-16T10:46:48.569+00:00 → 2026-10-16T10:46:49.890+00:00

  3. 16.10.2026 14:54:52 · SISTEM · recompute

    depth: 8.3 → 10 latitude: 51.4534 → 51.4698 longitude: -115.4536 → -115.3605 time: 2026-10-16T10:46:48.569Z → 2026-10-16 10:46:49.890+00:00

  4. 16.10.2026 14:33:22 · SISTEM · recompute

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

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