3.9

M3.9 Earthquake 9 km E of La Romana, Dominican RepublicApril 20, 2026

2026-04-20 03:18:03 UTC (3 hours ago)

On April 20, 2026 at 03:18 UTC, a magnitude 3.9 intermediate depth earthquake struck 9 km E of La Romana, Dominican Republic, at a depth of 122.0 km and coordinates 18.4438°, -68.8855°.

Map showing earthquake epicenter at 18.44°, -68.89°

Earthquake Details

Magnitude
3.9 md
Depth
122.0 km
intermediate depth
Location
18.4438°N
-68.8855°E

Technical Information

Event ID
pr2026110000
Event Type
earthquake
Status
✓ Reviewed
Significance
233
Stations Used
18
Azimuthal Gap
226.0°
Min Station Distance
0.509°
RMS Residual
0.02 sec
Last Updated
2026-04-20 04:37:08 UTC

Common Questions

How strong was the magnitude 3.9 earthquake near La Romana, Dominican Republic?

The magnitude 3.9 earthquake that struck 9 km E of La Romana, Dominican Republic on April 20, 2026 at 03:18 UTC had a depth of 122.0 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 3.9 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.