3.9

M3.9 Earthquake 68 km N of Charlotte Amalie, U.S. Virgin IslandsApril 16, 2026

2026-04-16 05:12:35 UTC (3 days ago)

On April 16, 2026 at 05:12 UTC, a magnitude 3.9 shallow crustal earthquake struck 68 km N of Charlotte Amalie, U.S. Virgin Islands, at a depth of 36.0 km and coordinates 18.9618°, -64.9576°.

Map showing earthquake epicenter at 18.96°, -64.96°

Earthquake Details

Magnitude
3.9 md
Depth
36.0 km
shallow crustal
Location
18.9618°N
-64.9576°E

Technical Information

Event ID
pr2026106000
Event Type
earthquake
Status
✓ Reviewed
Significance
229
Stations Used
24
Azimuthal Gap
234.0°
Min Station Distance
0.609°
RMS Residual
0.42 sec
Last Updated
2026-04-16 05:50:46 UTC

Common Questions

How strong was the magnitude 3.9 earthquake near Charlotte Amalie, U.S. Virgin Islands?

The magnitude 3.9 earthquake that struck 68 km N of Charlotte Amalie, U.S. Virgin Islands on April 16, 2026 at 05:12 UTC had a depth of 36.0 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.