3.2

M3.2 Earthquake 74 km N of San Juan, Puerto RicoApril 12, 2026

2026-04-12 02:36:03 UTC (2026-04-12)

On April 12, 2026 at 02:36 UTC, a magnitude 3.2 shallow crustal earthquake struck 74 km N of San Juan, Puerto Rico, at a depth of 21.0 km and coordinates 19.1362°, -66.1187°.

Map showing earthquake epicenter at 19.14°, -66.12°

Earthquake Details

Magnitude
3.2 md
Depth
21.0 km
shallow crustal
Location
19.1362°N
-66.1187°E
Felt Reports
1
DYFI responses
Community Intensity
2.0
CDI from reports

Technical Information

Event ID
pr71513408
Event Type
earthquake
Status
✓ Reviewed
Significance
155
Stations Used
18
Azimuthal Gap
244.0°
Min Station Distance
0.762°
RMS Residual
0.26 sec
Last Updated
2026-04-13 02:21:33 UTC

Common Questions

How strong was the magnitude 3.2 earthquake near San Juan, Puerto Rico?

The magnitude 3.2 earthquake that struck 74 km N of San Juan, Puerto Rico on April 12, 2026 at 02:36 UTC had a depth of 21.0 km. For context, this was a minor earthquake typically detected only by instruments.

Were there aftershocks?

Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 3.2 earthquakes can continue for several days and gradually diminish over time.

What should I do after an earthquake?

If you were in the affected area: check yourself and others for injuries, inspect your home for damage, and be prepared for aftershocks. For detailed guidance, see our earthquake safety guide and emergency planning resources.