EMSC · August 29, 2026
Magnitude 3.7 earthquake — 30 km W of Santa María Chimalapa, Mexico
A magnitude 3.7 earthquake was recorded near 30 km W of Santa María Chimalapa, Mexico on Aug 29, 2026, 03:33 PM (local time at the epicentre — CST, UTC-6), at a depth of about 121.5 km, according to EMSC.
EMSCIntermediate (70–300 km)Reviewed by a seismologist
Updated 2026-09-03 10:45 UTC
The full record
- Magnitude
- M 3.7 · m
- Location
- 30 km W of Santa María Chimalapa, Mexico
- Local time at the epicentre
- Aug 29, 2026, 03:33 PM — CST, UTC-6
- Time (UTC)
- 2026-08-29 21:33 UTC
- Depth
- 121.5 km · Intermediate (70–300 km)
- Coordinates
- 16.911, -94.401
- 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 0 people live in towns within 30 km of the epicentre, and 472,457 within 100 km. Distances are from the epicentre to the town centre.
| Place | Distance | Population |
|---|---|---|
| Santa María Chimalapa | 30.0 km W | 2,540 |
| La Horqueta (Poblado Doce) | 39.4 km NNE | 1,492 |
| Helio García Alfaro | 40.6 km NNE | 1,633 |
| La Chinantla | 41.1 km N | — |
| Poblado 10 | 41.1 km N | 3,315 |
| San Miguel Chimalapa | 42.9 km WSW | 1,444 |
| Poblado Cinco | 43.3 km NNW | 1,329 |
| Hermanos Cedillo | 44.2 km NNW | 1,217 |
| Niltepec | 44.7 km SSW | 3,289 |
| La Blanca | 46.9 km SW | 1,223 |
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
63 other events within 100 km in the last 30 days.
M 3.5 4 km WNW of Santo Domingo Chihuitán, Mexico
M 3.5 20 km SSW of Santo Domingo Zanatepec, Mexico
M 4.0 12 km E of San Dionisio del Mar, Mexico
M 4.0 18 km NNE of Vicente Guerrero, Mexico
M 4.1 18 km NE of La Gloria, Mexico
M 3.9 25 km ENE of La Gloria, Mexico
M 3.6 6 km WSW of Lázaro Cárdenas, Mexico
M 4.1 10 km WSW of Huamúchil, Mexico
M 3.6 3 km N of Vicente Guerrero, Mexico
Be first to know about the next earthquake near 30 km W of Santa María Chimalapa, 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 30 km W of Santa María Chimalapa, Mexico earthquake?
Magnitude 3.7 (m), at a depth of 121.5 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 29, 2026, 03:33 PM (local time at the epicentre — CST, UTC-6). In universal time: 2026-08-29 21:33 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 Santa María Chimalapa, 30.0 km W (population 2,540).
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 63 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) and, in Venezuela, FUNVISIS. Populated places and time zones: GeoNames (CC BY 4.0). Preliminary solutions are revised as more observations arrive.