EMSC · October 17, 2026
Magnitude 2.4 earthquake near Sesimbra, Portugal
A magnitude 2.4 earthquake was recorded near 28 km E of Sesimbra, Portugal on Oct 17, 2026, 09:21 AM (local time at the epicentre — UTC+1), at a depth of about 10.6 km, according to EMSC.
EMSCShallow (0–70 km)Reviewed by a seismologist
Updated 2026-10-17 11:38 UTC
The full record
- Magnitude
- M 2.4 · local (Richter) magnitude
- Location
- 28 km E of Sesimbra, Portugal
- Local time at the epicentre
- Oct 17, 2026, 09:21 AM — UTC+1
- Time (UTC)
- 2026-10-17 08:21 UTC
- Depth
- 10.6 km · Shallow (0–70 km)
- Coordinates
- 38.438, -9.420
- 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 260,339 people live in towns within 30 km of the epicentre, and 3,839,525 within 100 km. Distances are from the epicentre to the town centre.
| Place | Distance | Population |
|---|---|---|
| Sesimbra | 27.8 km E | 41,134 |
| Costa da Caparica | 27.9 km NE | 13,968 |
| Costa de Caparica | 28.0 km NE | 14,231 |
| Charneca de Caparica | 28.2 km NE | 29,763 |
| Cascais | 28.7 km N | 36,436 |
| Quinta de Santo António | 28.8 km NE | 5,154 |
| Parede | 28.9 km NNE | 17,212 |
| Carcavelos | 29.4 km NNE | 20,366 |
| Oeiras | 29.7 km NNE | 35,000 |
| Estoril | 29.8 km N | 23,700 |
Earthquake history in this area
8 earthquakes of magnitude 4.5+ have been recorded within 200 km of this epicentre since 1960, in Spain.
Other earthquakes near this epicentre
No other earthquakes have been recorded within 100 km in the last 30 days.
Be first to know about the next earthquake near 28 km E of Sesimbra, Portugal
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Frequently asked questions
How strong was the 28 km E of Sesimbra, Portugal earthquake?
Magnitude 2.4 (local (Richter) magnitude), at a depth of 10.6 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 17, 2026, 09:21 AM (local time at the epicentre — UTC+1). In universal time: 2026-10-17 08:21 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 Sesimbra, 27.8 km E (population 41,134).
Are earthquakes normal in this area?
Yes. The largest earthquake recorded within 200 km since 1960 was magnitude 5.3 (101 km WNW of Peniche, Portugal, 1982), and 0 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.