EMSC · October 27, 2026

Magnitude 3.5 earthquake near San Marcos, Mexico

A magnitude 3.5 earthquake was recorded near 3 km SSE of Barrio Nuevo de los Muertos, Mexico on Oct 27, 2026, 04:52 AM (local time at the epicentre — CST, UTC-6), at a depth of about 19.4 km, according to EMSC.

EMSCShallow (0–70 km)Reviewed by a seismologist

Updated 2026-10-27 17:18 UTC

The full record

Magnitude
M 3.5 · m
Location
3 km SSE of Barrio Nuevo de los Muertos, Mexico
Local time at the epicentre
Oct 27, 2026, 04:52 AM — CST, UTC-6
Time (UTC)
2026-10-27 10:52 UTC
Depth
19.4 km · Shallow (0–70 km)
Coordinates
16.915, -99.550
Felt reports
No “Did You Feel It?” reports submitted
Tsunami
No tsunami evaluation was flagged for this earthquake.
Review status
Reviewed by a seismologist
Catalog
EMSC (Centro Sismológico Euromediterráneo)

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

Shallow earthquakes release their energy close to the surface, so they are felt more strongly nearby than a deeper earthquake of the same magnitude.

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

Who lives nearby

About 120,554 people live in towns within 30 km of the epicentre, and 1,433,251 within 100 km. Distances are from the epicentre to the town centre.

PlaceDistancePopulation
Barrio Nuevo de los Muertos2.6 km SSE1,171
Apalani8.0 km SSW1,371
Campanario9.2 km SSW1,213
La Concepción11.5 km WSW1,468
Aguas Calientes12.6 km SW1,660
Llano Grande12.7 km ENE1,348
Las Cruces12.9 km ENE1,696
Las Mesas14.2 km NE2,692
El Cortés15.8 km SSE1,242
Dos Arroyos15.8 km NW1,846

Earthquake history in this area

11 earthquakes of magnitude 4.5+ have been recorded within 200 km of this epicentre since 1960, in Mexico.

Other earthquakes near this epicentre

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

Be first to know about the next earthquake near 3 km SSE of Barrio Nuevo de los Muertos, Mexico

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Frequently asked questions

How strong was the 3 km SSE of Barrio Nuevo de los Muertos, Mexico earthquake?

Magnitude 3.5 (m), at a depth of 19.4 km. Shallow earthquakes release their energy close to the surface, so they are felt more strongly nearby than a deeper earthquake of the same magnitude.

Exactly when did it happen?

Oct 27, 2026, 04:52 AM (local time at the epicentre — CST, UTC-6). In universal time: 2026-10-27 10:52 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 Barrio Nuevo de los Muertos, 2.6 km SSE (population 1,171).

Are earthquakes normal in this area?

Yes. The largest earthquake recorded within 200 km since 1960 was magnitude 7.4 (5 km N of Azoyú, Mexico, 1995), and 33 further events were recorded within 100 km 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), in Venezuela FUNVISIS and in Brazil the RSBR through the Centro de Sismologia da USP. Populated places and time zones: GeoNames (CC BY 4.0). Preliminary solutions are revised as more observations arrive.