4 km WSW of Guánica, Puerto Rico
Geographic Context
This earthquake event occurred in Puerto Rico, an area that experiences a range of natural hazards.
Event Assessment
This event is an earthquake of magnitude 3.6 at 10 km depth. Calamity.live has classified it as "low" severity with a severity value of 21.36. The computed Calamity Score is 0 out of 100, suggesting contained impact at this time. Data for this event was sourced from usgs, one of the 250 scientific monitoring sources aggregated by Calamity.live.
Regional Monitoring Context
Puerto Rico 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 | low |
| Severity Value | 21.36 |
| Calamity Score | 0 / 100 |
| Confidence | 66% |
| Coordinates | 17.9575, -66.9438 |
| Timestamp | 2026-08-07T04:48:01.170Z |
| Source | https://earthquake.usgs.gov/earthquakes/eventpage/pr2026219000 |
Score Breakdown
Technical Details
| Mag | 3.56 |
| Depth | 10 |
| Tsunami | false |
| Felt | 13 |
| Mmi | 3.203 |
| Sig | 200 |
| Usgs Dyfi Mag | 3.56 |
| Usgs Dyfi Depth | 10 |
| Usgs Dyfi Felt | 13 |
| Usgs Dyfi Cdi | 3.8 |
| Usgs Dyfi CdiDescription | Weak |
| Usgs Dyfi Mmi | 3.203 |
| Usgs Dyfi Sig | 200 |
| Usgs Dyfi Tsunami | false |
| Usgs Dyfi Place | 4 km WSW of Guánica, Puerto Rico |
| Usgs Dyfi Types | ,dyfi,origin,phase-data,shakemap, |
| MergedSources | [{"id":"usgs_dyfi_pr2026219000","source":"usgs_dyfi","severity":"low","severityValue":21.36,"timestamp":1786078081170,"latitude":17.9575,"longitude":-66.9438}] |
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 0/100 (Puerto Rico), based on data from usgs. Source: Calamity.live, a platform aggregating real-time data from 197 scientific monitoring sources.