M5.2 earthquake 31 km WSW of Saint George's, Grenada
A magnitude 5.2 earthquake struck 31 km WSW of Saint George's, Grenada on Sun, May 31, 1987, 11:40 PM AST (03:40 UTC), 142 km (88 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.2 (Mw, moment), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1987-06-01 03:40:32 UTC
- Depth
- 142.0 km (88.2 mi), intermediate-depth
- Epicenter
- 11.983° N, 62.033° W
- Region
- Grenada
- 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 | Mw, moment | USGS National Earthquake Information Center | Preferred · Reviewed |
| 5.19 | Mw, moment | ISC-GEM global catalog | Final · ±0.1 |
What happened
The USGS’s account of the effects of this earthquake.
Felt (IV) on Trinidad. Felt at Puerto Ordaz, Venezuela. CENTROID, MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 14S, 26C Centroid Location: Origin Time 03:40:40.1 0.9 Lat 11.91N 0.11 Lon 61.54W 0.11 Dep 156.0 3.6 Half-duration 1.5 Moment Tensor; Scale 10**16 Nm Mrr=0.27 0.52 Mtt=2.94 0.65 Mff=-3.21 0.70 Mrt=4.02 0.49 Mrf=-4.90 0.52 Mtf=-3.32 0.78 Principal Axes: (T) Val=8.55 Plg=36 Azm=33 (N) Val=-1.86 Plg=36 Azm=155 (P) Val=-6.69 Plg=34 Azm=274 Best Double Couple:Mo=7.6*10**16 NP1:Strike=62 Dip=36 Slip=178 NP2:Strike=154 Dip=89 Slip=54
From the USGS event page for usp00035ek. 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.
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 1 in the 30 days before it.
Before
Earthquakes todayGrenada earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00035ek (also filed as gcmt19870601034032, iscgem463322). Read Thu, Oct 1, 2026, 6:25 PM UTC.