3.6

M3.6 Earthquake 100 km NNW of San Antonio, Puerto RicoAugust 30, 2024

2024-08-30 19:28:37 UTC (2024-08-30) · approx. 3:28 PM UTC-4 local

MagnitudeM3.6(md)
Time19:28 UTC3:28 PM UTC-4
Depth26.0 kmshallow crustal
Coordinates19.335°, -67.460°
Felt byNo felt reports
Status✓ Reviewed by USGS

On August 30, 2024 at 19:28 UTC, a magnitude 3.6 shallow crustal earthquake struck 100 km NNW of San Antonio, Puerto Rico, at a depth of 26.0 km and coordinates 19.3348°, -67.4605°.

Physical scale: An earthquake of magnitude 3.6 releases seismic energy equivalent to roughly 3.3 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 172 m — a useful intuition for the size of the slip patch on the fault.

Map showing earthquake epicenter at 19.33°, -67.46°

Earthquake Details

Magnitude
3.6 md
Depth
26.0 km
shallow crustal
Location
19.3348°N
-67.4605°E

Technical Information

Event ID
pr2024243000
Event Type
earthquake
Status
✓ Reviewed
Significance
195
Stations Used
12
Azimuthal Gap
243.0°
Min Station Distance
0.935°
RMS Residual
0.25 sec
Last Updated
2024-11-09 21:17:41 UTC

Common Questions

How strong was the magnitude 3.6 earthquake near San Antonio, Puerto Rico?

The magnitude 3.6 earthquake that struck 100 km NNW of San Antonio, Puerto Rico on August 30, 2024 at 19:28 UTC had a depth of 26.0 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 3.6 earthquakes can continue for several days and gradually diminish over time.

Understanding This Data

Magnitude 3.6 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: pr2024243000). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2024, August 30, 2024). M3.6 Earthquake 100 km NNW of San Antonio, Puerto RicoAugust 30, 2024. Retrieved November 9, 2024 from https://www.earthquaketracker.org/earthquakes/event/pr2024243000/