Reported by USGS 73 days ago.
No stronger detection stands among the 8 recorded within 20 km of this point since 19 June 2026 — 7 others scored the same. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
USGS reported: 90 km NW of San Antonio, Puerto Rico
USGS recorded magnitude 3.3 at a depth of 30 km.
Nearby, since 19 June 2026
- July 4, 2026 · score 0 · 4.1 km
- July 22, 2026 · score 0 · 14.3 km
- July 11, 2026 · score 0 · 16.2 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 60 % 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 | 60% |
| Coordinates | 19.1180, -67.6570 |
| Timestamp | 2026-06-23T16:59:39.230Z |
| Source | https://earthquake.usgs.gov/earthquakes/eventpage/pr71521008 |
Score Breakdown
Technical Details
| Mag | 3.31 |
| Depth | 30.3 |
| Tsunami | false |
| Sig | 169 |
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, 90 km NW of San Antonio, Puerto Rico (Puerto Rico), based on data from usgs. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.