Reported by USGS 110 days ago.
It is the 3rd strongest of the 72 detections recorded within 20 km of this point since 12 March 2026. The last comparable one was on 15 May 2026. 3 more were recorded here in the fortnight before it.
What the source measured
USGS reported: 1 km ENE of Sabana Grande, Puerto Rico
USGS recorded magnitude 2.9 at a depth of 18 km.
Nearby, since 12 March 2026
- June 25, 2026 · score 0 · 8.1 km
- March 18, 2026 · score 0 · 8.4 km
- May 27, 2026 · score 0 · 9.0 km
How we know
One source: USGS. Not yet confirmed by a second, independent source.
Our own score for this event is 0 out of 100, at 61 % 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) | 0 / 100 |
| Our confidence | 61% |
| Coordinates | 18.0830, -66.9478 |
| Timestamp | 2026-05-16T22:48:50.700Z |
| Source | https://earthquake.usgs.gov/earthquakes/eventpage/pr71516823 |
Score Breakdown
Technical Details
| Mag | 2.91 |
| Depth | 17.5 |
| Tsunami | false |
| Sig | 130 |
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.
Want to know when something happens in this area?
Calamity.live data shows a earthquake event with CalamityScore 0/100, 1 km ENE of Sabana Grande, Puerto Rico (Puerto Rico), based on data from usgs. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.