EMSC · October 29, 2026
Magnitude 4.0 earthquake near Helio García Alfaro, Mexico
A magnitude 4.0 earthquake was recorded near 19 km NNE of Helio García Alfaro, Mexico on Oct 29, 2026, 04:35 PM (local time at the epicentre — CST, UTC-6), at a depth of about 133.8 km, according to EMSC.
EMSCIntermediate (70–300 km)Reviewed by a seismologist
Updated 2026-10-30 00:14 UTC
The full record
- Magnitude
- M 4.0 · m
- Location
- 19 km NNE of Helio García Alfaro, Mexico
- Local time at the epicentre
- Oct 29, 2026, 04:35 PM — CST, UTC-6
- Time (UTC)
- 2026-10-29 22:35 UTC
- Depth
- 133.8 km · Intermediate (70–300 km)
- Coordinates
- 17.109, -94.363
- 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
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.
Who lives nearby
About 7,769 people live in towns within 30 km of the epicentre, and 397,129 within 100 km. Distances are from the epicentre to the town centre.
| Place | Distance | Population |
|---|---|---|
| Helio García Alfaro | 18.5 km NNE | 1,633 |
| La Horqueta (Poblado Doce) | 20.4 km ENE | 1,492 |
| La Chinantla | 20.9 km NNW | — |
| Poblado 10 | 21.0 km NNW | 3,315 |
| Poblado Cinco | 27.1 km NW | 1,329 |
| Hermanos Cedillo | 31.0 km WNW | 1,217 |
| Niños Héroes | 39.0 km NNW | 1,061 |
| Santa María Chimalapa | 40.8 km WSW | 2,540 |
| Cuauhtémoc | 55.5 km W | 2,264 |
| Vicente Guerrero | 57.2 km NW | 1,203 |
Earthquake history in this area
10 earthquakes of magnitude 4.5+ have been recorded within 200 km of this epicentre since 1960, in Mexico.
Other earthquakes near this epicentre
55 other events within 100 km in the last 30 days.
M 3.8 5 km WNW of Suchilapan del Río, Mexico
M 3.6 36 km S of Santo Domingo Zanatepec, Mexico
M 4.6 5 km ENE of Tierra y Libertad, MexicoFelt · 1
M 3.9 37 km SSW of Santo Domingo Zanatepec, Mexico
M 3.5 25 km N of La Horqueta (Poblado Doce), Mexico
M 3.8 7 km SSW of Suchilapan del Río, Mexico
M 3.5 24 km SSE of Nueva Tenochtitlán (Rizo de Oro), Mexico
M 4.0 15 km W of El Bajío, Mexico
M 3.7 4 km SW of Ixtepec, Mexico
Be first to know about the next earthquake near 19 km NNE of Helio García Alfaro, Mexico
SeismoWatch pushes a notification to your Android phone within minutes of a matching earthquake — for the area and magnitude you choose.
Frequently asked questions
How strong was the 19 km NNE of Helio García Alfaro, Mexico earthquake?
Magnitude 4.0 (m), at a depth of 133.8 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?
Oct 29, 2026, 04:35 PM (local time at the epicentre — CST, UTC-6). In universal time: 2026-10-29 22:35 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 Helio García Alfaro, 18.5 km NNE (population 1,633).
Are earthquakes normal in this area?
Yes. The largest earthquake recorded within 200 km since 1960 was magnitude 7.4 (4 km NW of Santa María Zapotitlán, Mexico, 1965), and 55 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.