Earthquake · U.S. Virgin Islands

Magnitude 3.8 earthquake near Cruz Bay, U.S. Virgin Islands

USGS reports a magnitude 3.8 earthquake 92 km NE of Cruz Bay, U.S. Virgin Islands, at 9:17 AM AST on Saturday, October 31, 2026. The quake was 20 km deep, and USGS did not flag a tsunami threat.

Key facts

Magnitude
3.8 (md)
Location
92 km NE of Cruz Bay, U.S. Virgin Islands
Time
9:17 AM AST, Saturday, October 31, 2026
Depth
20 km
Tsunami
No tsunami flag from USGS
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What to do

If you feel shaking, Drop, Cover, and Hold On. Get under a sturdy table or cover your head and neck until the shaking stops. Expect aftershocks.

After shaking stops, check your home for damage and for gas leaks. If you smell gas, leave the building and call for help from a safe place.

Stay out of damaged buildings. USGS did not flag a tsunami threat for this quake.

Context

This region has seen many earthquakes. Since 2000, USGS records show 346 earthquakes of magnitude 4 or greater and 22 of magnitude 5 or greater within 100 km of this location.

A magnitude 3.8 quake is smaller than those counted above. The counts show how often larger quakes have happened in the area, not what will happen next.

History here

USGS records 346 earthquakes of magnitude 4 or more within 100 km of this epicenter since 2000, 22 of them magnitude 5 or more.

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Questions

Was there an earthquake near the U.S. Virgin Islands today?
Yes. USGS reports a magnitude 3.8 earthquake 92 km NE of Cruz Bay, U.S. Virgin Islands, at 9:17 AM AST on Saturday, October 31, 2026.
How deep was the earthquake near Cruz Bay?
USGS puts the depth at 20 km.
Is there a tsunami threat from the Cruz Bay earthquake?
USGS did not flag a tsunami threat for this earthquake.

Sources

  1. USGS: M 3.8 92 km NE of Cruz Bay, U.S. Virgin Islands usgs.gov
  2. USGS earthquake catalog (history count) usgs.gov

How this page is made. The Herebeat Hazard Desk builds event pages from official U.S. government data (National Weather Service, USGS, FEMA). The text is written with AI from that data; every number and quote is checked against the official source automatically before publishing, and the page is updated when the agency updates the event. The official source is always the reference. Spotted a mistake? info@herebeat.app. About the Hazard Desk.