EMSC · October 1, 2026
Magnitude 3.6 earthquake near Heroica Ciudad de Juchitán de Zaragoza, Mexico
A magnitude 3.6 earthquake was recorded near 5 km SW of San Mateo del Mar, Mexico on Oct 1, 2026, 03:38 AM (local time at the epicentre — CST, UTC-6), at a depth of about 74.3 km, according to EMSC.
EMSCIntermediate (70–300 km)Reviewed by a seismologist
Updated 2026-10-01 16:36 UTC
The full record
- Magnitude
- M 3.6 · m
- Location
- 5 km SW of San Mateo del Mar, Mexico
- Local time at the epicentre
- Oct 1, 2026, 03:38 AM — CST, UTC-6
- Time (UTC)
- 2026-10-01 09:38 UTC
- Depth
- 74.3 km · Intermediate (70–300 km)
- Coordinates
- 16.248, -94.953
- 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 229,467 people live in towns within 30 km of the epicentre, and 545,423 within 100 km. Distances are from the epicentre to the town centre.
| Place | Distance | Population |
|---|---|---|
| San Mateo del Mar | 5.1 km SW | 5,734 |
| Colonia Juárez | 9.0 km WSW | 2,803 |
| Santa María Xadani | 14.4 km NNW | 7,613 |
| Álvaro Obregón | 15.0 km WNW | 3,558 |
| Santa Rosa | 17.4 km WNW | 2,491 |
| Huazantlán del Río | 19.1 km W | 1,514 |
| San Pedro Huilotepec | 21.1 km W | 2,827 |
| Heroica Ciudad de Juchitán de Zaragoza | 21.9 km NNW | 88,280 |
| San Dionisio del Mar | 22.4 km ENE | 3,140 |
| Chicapa de Castro | 25.3 km NE | 3,143 |
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
75 other events within 100 km in the last 30 days.
M 4.0 25 km NNE of San Francisco del Mar Viejo, Mexico
M 3.5 2 km WNW of San Pedro Comitancillo, Mexico
M 3.5 6 km WNW of Santa María Guenagati, Mexico
M 3.5 49 km N of San Mateo del Mar, Mexico
M 4.0 30 km NW of Santa Gertrudis Miramar, Mexico
M 3.5 OFFSHORE OAXACA, MEXICO
M 3.5 2 km NW of Ixtepec, Mexico
M 3.6 7 km ESE of San Pedro Huamelula, Mexico
M 3.7 1 km S of Huamúchil, Mexico
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Frequently asked questions
How strong was the 5 km SW of San Mateo del Mar, Mexico earthquake?
Magnitude 3.6 (m), at a depth of 74.3 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 1, 2026, 03:38 AM (local time at the epicentre — CST, UTC-6). In universal time: 2026-10-01 09:38 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 San Mateo del Mar, 5.1 km SW (population 5,734).
Are earthquakes normal in this area?
Yes. The largest earthquake recorded within 200 km since 1960 was magnitude 8.2 (2017 Tehuantepec, Mexico Earthquake, 2017), and 75 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.