3.0

M3.0 Earthquake 45 km NNW of San Antonio, Puerto Rico — October 30, 2026

2026-10-30 03:33:35 UTC (5 hours ago) · approx. 11:33 PM UTC-4 local

MagnitudeM3.0(md)
Time03:33 UTC≈ 11:33 PM UTC-4
Depth8.5 kmshallow crustal
Coordinates18.835°, -67.336°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 18.83°, -67.34°

Earthquake Details

Magnitude
3.0 md
Depth
8.5 km
shallow crustal
Location
18.8347°N
-67.3362°E

Technical Information

Event ID
pr71537938
Event Type
earthquake
Status
✓ Reviewed
Significance
136
Stations Used
22
Azimuthal Gap
211.0°
Min Station Distance
0.423°
RMS Residual
0.23 sec
Last Updated
2026-10-30 04:10:21 UTC

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Actions

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Location

Puerto Rico
View all Puerto Rico earthquakes

Understanding This Data

Magnitude 3.0 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: pr71537938). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, October 30, 2026). M3.0 Earthquake 45 km NNW of San Antonio, Puerto Rico — October 30, 2026. Retrieved October 30, 2026 from https://www.earthquaketracker.org/earthquakes/event/pr71537938/