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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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3.3

8 km NW of Junction, Utah

31 October 2026, 07:44:15 (+03) 2026-10-31 04:44:15 UTC

2 sources: EMSC, USGS ml
Did you feel this earthquake?
Magnitude
3.3 ml
Depth
4.0 km
Coordinates
38.2897, -112.2897
Data consistency
90/100

Regional activity (100 km)

Last 24 hours
0
Last 7 days
17
Last 30 days
56

Approximate energy released

≈ 1.3 t TNT

5.62e+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?

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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): 3,1 Felt reports: 4 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

61 earthquakes

By magnitude

  • M0 0
  • M1 1
  • M2 56
  • M3 4
  • M4 0
  • M5 0
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 61
  • 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).

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
UTAH
 3.3 ml 4.0 km 04:44:15.580 Δt 0 sn · 0 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
8 km NW of Junction, Utah
 3.3 ml 4.0 km 04:44:15.580 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. 02.11.2026 18:22:48 · USGS · update

    depth: 5.71 → 3.96 latitude: 38.28767 → 38.28967 longitude: -112.2915 → -112.28967 time: 2026-10-31T04:44:15.520+00:00 → 2026-10-31T04:44:15.580+00:00

  2. 02.11.2026 18:22:48 · SISTEM · recompute

    depth: 5.71 → 3.96 latitude: 38.28767 → 38.28967 longitude: -112.2915 → -112.28967 time: 2026-10-31T04:44:15.520Z → 2026-10-31 04:44:15.580+00:00

  3. 02.11.2026 18:22:46 · EMSC · update

    depth: 5.7 → 4 latitude: 38.2877 → 38.2897 longitude: -112.2915 → -112.2897 time: 2026-10-31T04:44:15.520+00:00 → 2026-10-31T04:44:15.580+00:00

  4. 31.10.2026 08:01:00 · USGS · update

    depth: -2.7 → 5.71 latitude: 38.28033 → 38.28767 longitude: -112.2905 → -112.2915 time: 2026-10-31T04:44:14.980+00:00 → 2026-10-31T04:44:15.520+00:00 location: 7 km NW of Junction, Utah → 8 km NW of Junction, Utah review status: automatic → reviewed

  5. 31.10.2026 08:01:00 · SISTEM · recompute

    depth: 5.7 → 5.71 latitude: 38.2877 → 38.28767 review status: automatic → reviewed preferred source: 3 → 4

  6. 31.10.2026 08:00:59 · SISTEM · recompute

    depth: -2.7 → 5.7 latitude: 38.2803 → 38.2877 longitude: -112.2905 → -112.2915 time: 2026-10-31T04:44:14.980Z → 2026-10-31 04:44:15.520+00:00

  7. 31.10.2026 08:00:59 · EMSC · update

    depth: -2.7 → 5.7 latitude: 38.2803 → 38.2877 longitude: -112.2905 → -112.2915 time: 2026-10-31T04:44:14.980+00:00 → 2026-10-31T04:44:15.520+00:00

  8. 31.10.2026 07:48:37 · SISTEM · recompute

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

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