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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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3.1

33 km NNW of Culebra, Puerto Rico

7 November 2026, 11:40:51 (+03) 2026-11-07 08:40:51 UTC

2 sources: EMSC, USGS md
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Magnitude
3.1 md
Depth
71.1 km
Coordinates
18.5723, -65.4422
Data consistency
90/100

Regional activity (100 km)

Last 24 hours
3
Last 7 days
14
Last 30 days
40

Approximate energy released

≈ 0.7 t TNT

2.82e+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

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

42 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 17
  • M3 24
  • M4 1
  • M5 0
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 3
  • 10–20 km 10
  • 20–40 km 17
  • 40–70 km 8
  • 70–150 km 3
  • 150+ km 1

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
PUERTO RICO REGION
 3.1 md 71.1 km 08:40:51.000 Δt 0 sn · 0 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
33 km NNW of Culebra, Puerto Rico
 3.1 md 71.1 km 08:40:51.000 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. 07.11.2026 12:15:13 · EMSC · update

    depth: 52.7 → 71.1 latitude: 18.7302 → 18.5723 longitude: -65.48 → -65.4422 magnitude: 2.7 → 3.1 time: 2026-11-07T08:40:50.536+00:00 → 2026-11-07T08:40:51.000+00:00 magnitude type: ml → md

  2. 07.11.2026 12:14:11 · USGS · update

    depth: 52.67 → 71.09 latitude: 18.7302 → 18.57233 longitude: -65.48 → -65.44217 magnitude: 2.7 → 3.1 time: 2026-11-07T08:40:50.536+00:00 → 2026-11-07T08:40:51.000+00:00 location: 46 km NNE of Luquillo, Puerto Rico → 33 km NNW of Culebra, Puerto Rico magnitude type: ml → md

  3. 07.11.2026 12:14:11 · SISTEM · recompute

    depth: 52.67 → 71.09 latitude: 18.7302 → 18.57233 longitude: -65.48 → -65.44217 magnitude: 2.7 → 3.1 time: 2026-11-07T08:40:50.536Z → 2026-11-07 08:40:51.000+00:00 magnitude type: ml → md

  4. 07.11.2026 11:47:02 · SISTEM · recompute

    depth: 52.7 → 52.67 source count: 1 → 2 review status: automatic → reviewed confirming sources: emsc → emsc,usgs preferred source: 3 → 4

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