M5.2 earthquake 28 km NE of Codrington, Antigua and Barbuda
A magnitude 5.2 earthquake struck 28 km NE of Codrington, Antigua and Barbuda on Tue, Apr 5, 1983, 11:59 AM AST (15:59 UTC), 33 km (21 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.2 (mb, body-wave), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1983-04-05 15:59:40 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 17.804° N, 61.632° W
- Region
- Antigua and Barbuda
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Magnitude estimates
Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.
| Mag. | Scale | Computed by | Notes |
|---|---|---|---|
| 5.2 | mb, body-wave | USGS National Earthquake Information Center | Preferred · Reviewed · 21 stations |
| 5.1 | Mw, moment | ISC-GEM global catalog | Final · ±0.1 |
| 5.1 | Mwc, centroid moment | Global CMT project | Preliminary |
What happened
The USGS’s account of the effects of this earthquake.
Felt (II) on Antigua.
From the USGS event page for usp0001u6x. U.S. Geological Survey text and figures are in the public domain.
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Depth from
- OPERATOR_ASSIGNED
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.2 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
Earthquakes todayAntigua and Barbuda earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001u6x (also filed as gcmtb040583b, gcmt19830405155940, iscgem577975). Read Mon, Oct 5, 2026, 12:47 PM UTC.