M4.6 earthquake 5 km ESE of Pole Ojea, Puerto Rico
A magnitude 4.6 earthquake struck 5 km ESE of Pole Ojea, Puerto Rico on Sat, May 30, 1987, 1:55 PM AST (17:55 UTC), 5 km (3 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.6 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1987-05-30 17:55:08 UTC
- Depth
- 5.0 km (3.1 mi), shallow
- Epicenter
- 17.962° N, 67.131° W
- Region
- Puerto Rico
- Strongest shaking
- V, moderate shaking
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
What happened
The USGS’s account of the effects of this earthquake.
Minor damage in the Cabo Rojo-Boqueron area. Also felt at Lajas, Mayaguez and San German.
From the USGS event page for usp00035d5. U.S. Geological Survey text and figures are in the public domain.
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- V, moderate shaking
- Peak ground acceleration
- 11.8% of gravity
- Peak ground velocity
- 1.7 cm/s
- Map
- Automatic
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 1.6 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00035d5. Read Sat, Oct 3, 2026, 6:30 AM UTC.