Earthquakes 10 km NNW of Cot, Costa Rica — 77 people reported feeling this earthquake — CDI 6.5 (Strong)
Right now
Nothing else has been detected within 20 km in the last 24 hours.
Reported by USGS 18 days ago.
It is one of only 2 we have recorded within 20 km of this point since 24 August 2026.
What the source measured
USGS reported: 10 km NNW of Cot, Costa Rica — 77 people reported feeling this earthquake — CDI 6.5 (Strong)
USGS recorded magnitude 4.9 at a depth of 10 km.
Nearby, since 24 August 2026
- September 4, 2026 · score 26 · 17.0 km
How we know
One source: USGS. Not yet confirmed by a second, independent source.
Our own score for this event is 8 out of 100, at 50 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Earthquakes |
| Severity | Low |
| Calamity Score (ours) | 8 / 100 |
| Our confidence | 50% |
| Coordinates | 9.9853, -83.9132 |
| Timestamp | 2026-08-24T07:37:17.435Z |
| Source | https://earthquake.usgs.gov/earthquakes/eventpage/us6000tn2j/dyfi |
Score Breakdown
Technical Details
| Mag | 4.9 |
| Depth | 10 |
| Felt | 77 |
| Cdi | 6.5 |
| CdiDescription | Strong |
| Sig | 419 |
| Tsunami | false |
| Place | 10 km NNW of Cot, Costa Rica |
| Types | ,dyfi,origin,phase-data, |
Safety Information
If you feel shaking: Drop, Cover, and Hold On. Move away from windows, heavy objects, and exterior walls. After shaking stops, check for injuries and structural damage. Be prepared for aftershocks, which can occur minutes to months after the mainshock. Follow instructions from local emergency management authorities.
Series begins 8 March 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
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