53 km N of Brenas, Puerto Rico
21 October 2026, 08:01:30 (+03) 2026-10-21 05:01:30 UTC
- Magnitude
- 3.3 md
- Depth
- 26.3 km
- Coordinates
- 18.9493, -66.3172
- Data consistency
- 90/100
Regional activity (100 km)
- Last 24 hours
- 2
- Last 7 days
- 6
- Last 30 days
- 18
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).
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Community reports
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- Community intensity
- Typical duration
- Farthest report
- felt it
Estimated, close to the MMI scale
Intensity distribution
Provinces with reports
Reported effects
Squares on the map show community reports (~11 km grid; colour = estimated intensity).
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
19 earthquakes
By magnitude
- M0 0
- M1 0
- M2 9
- M3 10
- M4 0
- M5 0
- M6 0
- M7 0
- M8+ 0
By depth
- 0–10 km 1
- 10–20 km 3
- 20–40 km 10
- 40–70 km 3
- 70–150 km 2
- 150+ km 0
Largest previous earthquakes within 100 km
Largest earthquakes in the platform catalogue and entries from historical catalogues (with citation).
- M3,7 93 km N of Brenas, Puerto Rico 21.10.2026 · 40 km
- M3,1 PUERTO RICO REGION 15.10.2026 · 32 km
- M3,1 PUERTO RICO REGION 14.10.2026 · 52 km
- M2,9 PUERTO RICO REGION 13.10.2026 · 56 km
- M2,8 PUERTO RICO REGION 14.10.2026 · 84 km
- M2,8 8 km NNE of Tierras Nuevas Poniente, Puerto Rico 26.09.2026 · 48 km
- M2,7 PUERTO RICO REGION 13.10.2026 · 83 km
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
|
3.3 md | 26.3 km | 05:01:30.380 | Δt 0 sn · 0 km · ΔM 0 | Original record |
|
USGS Earthquake Hazards Program
Displayed
53 km N of Brenas, Puerto Rico
|
3.3 md | 26.3 km | 05:01:30.380 | 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
-
21.10.2026 08:36:20 · SISTEM · recompute
depth: 26.3 → 26.34 latitude: 18.9493 → 18.94933 longitude: -66.3172 → -66.31717 source count: 1 → 2 review status: automatic → reviewed confirming sources: emsc → emsc,usgs preferred source: 3 → 4
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