EMSC · September 23, 2026
Magnitude 3.5 earthquake near San Marcos, Mexico
A magnitude 3.5 earthquake was recorded near 7 km WNW of El Cortés, Mexico on Sep 23, 2026, 03:15 PM (local time at the epicentre — CST, UTC-6), at a depth of about 1.7 km, according to EMSC.
EMSCShallow (0–70 km)Reviewed by a seismologist
Updated 2026-09-24 02:48 UTC
The full record
- Magnitude
- M 3.5 · m
- Location
- 7 km WNW of El Cortés, Mexico
- Local time at the epicentre
- Sep 23, 2026, 03:15 PM — CST, UTC-6
- Time (UTC)
- 2026-09-23 21:15 UTC
- Depth
- 1.7 km · Shallow (0–70 km)
- Coordinates
- 16.744, -99.443
- 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)
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 57,982 people live in towns within 30 km of the epicentre, and 1,311,297 within 100 km. Distances are from the epicentre to the town centre.
| Place | Distance | Population |
|---|---|---|
| El Cortés | 7.5 km WNW | 1,242 |
| San Marcos | 8.3 km NE | 13,282 |
| Llano de la Puerta | 9.0 km W | 1,322 |
| Campanario | 17.1 km NW | 1,213 |
| Lomas de Chapultepec | 18.1 km W | 2,173 |
| Barrio Nuevo de los Muertos | 19.7 km NNW | 1,171 |
| Apalani | 19.8 km NW | 1,371 |
| Cerro de Piedra | 20.3 km W | 1,487 |
| San Andrés Playa Encantada (El Podrido) | 21.1 km WSW | 1,333 |
| Rancho Viejo | 21.2 km NE | 1,119 |
Earthquake history in this area
12 earthquakes of magnitude 4.5+ have been recorded within 200 km of this epicentre since 1960, in Mexico.
Other earthquakes near this epicentre
30 other events within 100 km in the last 30 days.
M 3.7 6 km N of Copala, Mexico
M 3.5 4 km NE of Huehuetán, Mexico
M 4.0 5 km NE of San Pedro las Playas, Mexico
M 4.0 6 km NNE of Los Mogotes, Mexico
M 3.6 12 km S of Pueblo Madero (El Playón), Mexico
M 3.8 33 km NNE of Barra de Tecoanapa, Mexico
M 3.5 4 km WSW of El Cortés, Mexico
M 3.5 19 km N of Cruz Grande, Mexico
M 3.6 2 km SE of Amatillo, Mexico
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Frequently asked questions
How strong was the 7 km WNW of El Cortés, Mexico earthquake?
Magnitude 3.5 (m), at a depth of 1.7 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?
Sep 23, 2026, 03:15 PM (local time at the epicentre — CST, UTC-6). In universal time: 2026-09-23 21:15 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 El Cortés, 7.5 km WNW (population 1,242).
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 30 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.