Unusual activity cluster
Closed Poisson rate test · 23.10.2026 18:00 – 25.10.2026 18:30
Seismic activity above normal levels has been observed.
- Earthquakes
- 8
- Largest
- M3,2
Earthquakes of the sequence (oldest to newest)
Earthquakes per day
Earthquakes in the sequence
| Magnitude | Location | Time (Europe/Istanbul) | Depth |
|---|---|---|---|
| 2.5 | OFF COAST OF COSTA RICA | 23.10.2026 18:24 | 10,0 km |
| 2.6 | OFF COAST OF COSTA RICA | 24.10.2026 04:43 | 2,0 km |
| 2.6 | OFF COAST OF COSTA RICA | 24.10.2026 06:40 | 14,0 km |
| 2.7 | OFF COAST OF COSTA RICA | 24.10.2026 06:44 | 16,0 km |
| 2.6 | OFF COAST OF COSTA RICA | 24.10.2026 16:34 | 18,0 km |
| 2.9 | OFF COAST OF COSTA RICA | 24.10.2026 17:09 | 16,0 km |
| 3.2 | OFF COAST OF COSTA RICA | 25.10.2026 16:33 | 20,0 km |
| 2.9 | OFF COAST OF COSTA RICA | 25.10.2026 17:50 | 11,0 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.