USGS · August 14, 2026

Magnitude 3.1 earthquake — 5 km W of Mayagüez, Puerto Rico

A magnitude 3.1 earthquake was recorded near 5 km W of Mayagüez, Puerto Rico on Aug 14, 2026, 04:12 AM (local time at the epicentre — AST, UTC-4), at a depth of about 109.7 km, according to USGS.

USGSIntermediate (70–300 km)Reviewed by a seismologist

Updated 2026-09-04 18:17 UTC

The full record

Magnitude: M 3.1 · duration magnitude
Location: 5 km W of Mayagüez, Puerto Rico
Local time at the epicentre: Aug 14, 2026, 04:12 AM — AST, UTC-4
Time (UTC): 2026-08-14 08:12 UTC
Depth: 109.7 km · Intermediate (70–300 km)
Coordinates: 18.209, -67.195
Felt reports: No “Did You Feel It?” reports submitted
Tsunami: No tsunami evaluation was flagged for this earthquake.
Significance: 152 / 1000 · routine event
Solution quality: 17 seismic stations used · 146° azimuthal gap (well-constrained epicentre)
Review status: Reviewed by a seismologist
Catalog: USGS

Open the official catalog record

Epicentre and nearby recent earthquakes

The highlighted circle is this earthquake. Smaller circles are other events recorded nearby in the last 30 days.

What the shaking was like

At this depth the energy spreads out before it reaches the surface, so shaking is usually weaker but felt over a wider area.

No intensity estimate was published for this event, which is usual for small earthquakes far from populated areas.

Felt it yourself? USGS collects first-hand reports through “Did You Feel It?”, and those reports are what produce the community intensity above.

Who lives nearby

About 199,348 people live in towns within 30 km of the epicentre, and 813,867 within 100 km. Distances are from the epicentre to the town centre.

Place	Distance	Population
Mayagüez	5.9 km E	73,077
La Playa	8.8 km N	2,139
Añasco	10.1 km NE	6,136
Hormigueros	10.5 km SE	11,934
Las Marias	10.7 km NNE	1,823
Espino	11.0 km NE	1,422
Stella	13.7 km NNW	1,293
Cabo Rojo	14.6 km SSE	10,839
Puerto Real	14.9 km S	6,166
Rincón	15.7 km NNW	1,499

Earthquake history in this area

No earthquake of magnitude 4.5+ has been recorded within 200 km of this epicentre since 1960, in Puerto Rico.

Other earthquakes near this epicentre

49 other events within 100 km in the last 30 days.

Be first to know about the next earthquake near 5 km W of Mayagüez, Puerto Rico

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Frequently asked questions

How strong was the 5 km W of Mayagüez, Puerto Rico earthquake?

Magnitude 3.1 (duration magnitude), at a depth of 109.7 km. At this depth the energy spreads out before it reaches the surface, so shaking is usually weaker but felt over a wider area.

Exactly when did it happen?

Aug 14, 2026, 04:12 AM (local time at the epicentre — AST, UTC-4). In universal time: 2026-08-14 08:12 UTC.

Was it felt?

No “Did You Feel It?” reports were submitted for this event. Small earthquakes usually pass unnoticed except very close to the epicentre.

Was there a tsunami warning?

No tsunami evaluation was flagged for this earthquake.

Which towns are closest to the epicentre?

The closest is Mayagüez, 5.9 km E (population 73,077).

Are earthquakes normal in this area?

49 further events were recorded within 100 km of the epicentre in the last 30 days.

How do I get alerts for the next earthquake here?

Install the free SeismoWatch Android app, draw a box over this area, set a minimum magnitude, and turn alerts on.

About this page

Event data: U.S. Geological Survey (USGS), the European-Mediterranean Seismological Centre (EMSC) and, in Venezuela, FUNVISIS. Populated places and time zones: GeoNames (CC BY 4.0). Preliminary solutions are revised as more observations arrive.