COSTA RICA earthquake sequence
Active Gardner–Knopoff windows · 13.10.2026 02:28 – ongoing
- Earthquakes
- 5
- Largest
- M4,9
- Mainshock
- M4,9 · COSTA RICA · 13.10.2026 02:28
Earthquakes of the sequence (oldest to newest)
Earthquakes per day
Earthquakes in the sequence
| Magnitude | Location | Time (Europe/Istanbul) | Depth |
|---|---|---|---|
| 4.9 | COSTA RICA | 13.10.2026 02:28 | 10,0 km |
| 2.5 | COSTA RICA | 14.10.2026 09:03 | 3,0 km |
| 4.0 | COSTA RICA | 17.10.2026 07:50 | 18,0 km |
| 2.9 | COSTA RICA | 19.10.2026 22:20 | 21,0 km |
| 2.5 | COSTA RICA | 20.10.2026 18:06 | 17,0 km |
Sequences group earthquakes that have occurred by proximity in time and location (Gardner–Knopoff windows, Poisson rate test). Follow AFAD and Kandilli Observatory for official assessments. (Gardner & Knopoff (1974))