3.7

M3.7 Earthquake 76 km NNE of Cruz Bay, U.S. Virgin IslandsJuly 26, 2026

2026-07-26 14:31:04 UTC (1 hour ago) · approx. 10:31 AM UTC-4 local

MagnitudeM3.7(md)
Time14:31 UTC10:31 AM UTC-4
Depth77.0 kmintermediate depth
Coordinates18.948°, -64.462°
Felt byNo felt reports
Status✓ Reviewed by USGS

On July 26, 2026 at 14:31 UTC, a magnitude 3.7 intermediate depth earthquake struck 76 km NNE of Cruz Bay, U.S. Virgin Islands, at a depth of 77.0 km and coordinates 18.9480°, -64.4616°.

Physical scale: An earthquake of magnitude 3.7 releases seismic energy equivalent to roughly 5.9 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 226 m — a useful intuition for the size of the slip patch on the fault.

Map showing earthquake epicenter at 18.95°, -64.46°

Earthquake Details

Magnitude
3.7 md
Depth
77.0 km
intermediate depth
Location
18.9480°N
-64.4616°E

Technical Information

Event ID
pr2026207000
Event Type
earthquake
Status
✓ Reviewed
Significance
214
Stations Used
18
Azimuthal Gap
275.0°
Min Station Distance
0.461°
RMS Residual
0.45 sec
Last Updated
2026-07-26 15:40:52 UTC

Common Questions

How strong was the magnitude 3.7 earthquake near Cruz Bay, U.S. Virgin Islands?

The magnitude 3.7 earthquake that struck 76 km NNE of Cruz Bay, U.S. Virgin Islands on July 26, 2026 at 14:31 UTC had a depth of 77.0 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 3.7 earthquakes can continue for several days and gradually diminish over time.

Understanding This Data

Magnitude 3.7 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: pr2026207000). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, July 26, 2026). M3.7 Earthquake 76 km NNE of Cruz Bay, U.S. Virgin IslandsJuly 26, 2026. Retrieved July 26, 2026 from https://www.earthquaketracker.org/earthquakes/event/pr2026207000/