Leeward Islands
Geographic Context
This earthquake event occurred near Saint John’s (approximately 69 km away) in Antigua and Barbuda, an area that experiences a range of natural hazards.
Event Assessment
This event is a strong earthquake of magnitude 6.3, powerful enough to cause significant structural damage in the epicentral region. The hypocenter was located at a depth of 57 km. Calamity.live has classified it as "high" severity with a severity value of 62.1. The computed Calamity Score is 27 out of 100, suggesting contained impact at this time. The primary scoring components are: historical (80), intensity (47). Data for this event was sourced from ipgp, one of the 250 scientific monitoring sources aggregated by Calamity.live.
Regional Monitoring Context
Antigua and Barbuda 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 | high |
| Severity Value | 62.1 |
| Calamity Score | 27 / 100 |
| Confidence | 68% |
| Coordinates | 17.3793, -61.2464 |
| Nearest City | Saint John’s (69 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-16T12:50:06.776Z |
| Source | http://ws.ipgp.fr/fdsnws/event/1/query?eventid=ovsg2026joynvt&format=text |
Score Breakdown
Technical Details
| Mag | 6.348295712 |
| Depth | 56.73217773 |
| MagType | MLv |
| Region | Leeward Islands |
| Scedc Mag | 6 |
| Scedc Depth | 30.04 |
| Scedc MagType | w |
| Scedc Region | ###.# km ( ###.# mi) E (az= 94.0) from Fortuna Foothills, AZ |
| Knmi Seismic Mag | 6.267842472369108 |
| Knmi Seismic Depth | 35.60490798950195 |
| Knmi Seismic MagType | MLbes |
| Knmi Seismic Region | Leeward Islands |
| MergedSources | [{"id":"scedc_10240086","source":"scedc","severity":"high","severityValue":60,"timestamp":1778935803503,"latitude":17.5127,"longitude":-61.1771},{"id":"knmi_seismic_knmi2026jnuh","source":"knmi_seismic","severity":"high","severityValue":62.67842472369108,"timestamp":1778935806834,"latitude":17.402519,"longitude":-61.221981}] |
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 27/100, near Saint John’s (Antigua and Barbuda), based on data from ipgp. Source: Calamity.live, a platform aggregating real-time data from 207 scientific monitoring sources.