| Identity: 9000378 |
| Date of the earthquake: 27 September 1906 |
| Time of the earthquake: 10 h 41 min 25 sec |
| Nature of the shock: Main shock |
| Epicentral region: NORD PORTO-RICO − PORTO-RICO |
|
| Geographic co-ordinates (degrees, sexagesimal minutes) |
| Longitude: 66° 14' W, Latitude: 18° 56' N |
| Reliability index: Strongly assumed location (D) |
| Intensity at the epicentre (according to the MSK 1964 macro-seismic scale): |
| Intensity: 8 |
| Reliability index: Not very certain (C) |
