M3.1 Earthquake 12 km S of Central Aguirre, Puerto Rico — January 30, 2022
2022-01-30 19:19:52 UTC (2022-01-30) · approx. 3:19 PM UTC-4 local
On January 30, 2022 at 19:19 UTC, a magnitude 3.1 shallow crustal earthquake struck 12 km S of Central Aguirre, Puerto Rico, at a depth of 12.0 km and coordinates 17.8388°, -66.2300°.
Physical scale: An earthquake of magnitude 3.1 releases seismic energy equivalent to roughly 697 kg of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 84 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-66.2300°E
Technical Information
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Common Questions
How strong was the magnitude 3.1 earthquake near Central Aguirre, Puerto Rico?
The magnitude 3.1 earthquake that struck 12 km S of Central Aguirre, Puerto Rico on January 30, 2022 at 19:19 UTC had a depth of 12.0 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 3.1 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 3.1 earthquakes are typically only recorded by instruments.
Authoritative source: USGS event page (event ID: pr2022030008). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2022, January 30, 2022). M3.1 Earthquake 12 km S of Central Aguirre, Puerto Rico — January 30, 2022. Retrieved January 31, 2022 from https://www.earthquaketracker.org/earthquakes/event/pr2022030008/