M 5.7 Earthquake — 32 felt reports
72 km SW of Tamarindo, Costa Rica — 32 people reported feeling this earthquake — CDI 3.8 (Weak)
Geographic Context
This earthquake event occurred near Nicoya (approximately 105 km away) in Costa Rica, an area that experiences a range of natural hazards.
Event Assessment
This event is a moderate earthquake measuring 5.7 on the magnitude scale, with a focal depth of 20 km. Events of this magnitude are typically felt over a wide area and may cause damage to vulnerable structures. Calamity.live has classified it as "medium" severity with a severity value of 45.6. The computed Calamity Score is 15 out of 100, suggesting contained impact at this time. The primary scoring components are: intensity (34), historical (17). Data for this event was sourced from usgs_dyfi, one of the 250 scientific monitoring sources aggregated by Calamity.live.
Regional Monitoring Context
Costa Rica has a documented history of earthquake events. Seismic monitoring in the region draws on data from multiple agencies including USGS, EMSC, and regional networks. Understanding local seismicity helps emergency management agencies plan for potential future events and assess building code adequacy. Earthquake hazard in any region depends on fault proximity, soil conditions, and building vulnerability — factors that can vary significantly even within a single metropolitan area.
Event Data
| Type | Earthquake |
| Severity | medium |
| Severity Value | 45.6 |
| Calamity Score | 15 / 100 |
| Confidence | 55% |
| Coordinates | 9.9151, -86.3803 |
| Nearest City | Nicoya (105 km) |
| Impact Tier | minor |
| Timestamp | 2026-04-15T06:56:02.781Z |
| Source | https://earthquake.usgs.gov/earthquakes/eventpage/us6000sq5z/dyfi |
Score Breakdown
Technical Details
| Mag | 5.7 |
| Depth | 20 |
| Felt | 32 |
| Cdi | 3.8 |
| CdiDescription | Weak |
| Mmi | 4.141 |
| Alert | green |
| Sig | 512 |
| Tsunami | false |
| Place | 72 km SW of Tamarindo, Costa Rica |
| Types | ,dyfi,losspager,moment-tensor,origin,phase-data,shakemap, |
| Usgs Shakemap Mag | 5.7 |
| Usgs Shakemap Depth | 20 |
| Usgs Shakemap Mmi | 4.141 |
| Usgs Shakemap MmiDescription | Light |
| Usgs Shakemap Felt | 32 |
| Usgs Shakemap Alert | green |
| Usgs Shakemap Sig | 512 |
| Usgs Shakemap Tsunami | false |
| Usgs Shakemap Place | 72 km SW of Tamarindo, Costa Rica |
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.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
Calamity.live data shows a earthquake event with CalamityScore 15/100, near Nicoya (Costa Rica), based on data from usgs_dyfi. Source: Calamity.live, a platform aggregating real-time data from 197 scientific monitoring sources.