EMSC · August 28, 2026
Magnitude 3.5 earthquake — OFFSHORE ANTOFAGASTA, CHILE
A magnitude 3.5 earthquake was recorded near OFFSHORE ANTOFAGASTA, CHILE on Aug 28, 2026, 09:41 PM (local time at the epicentre — UTC-4), at a depth of about 47.8 km, according to EMSC.
EMSCShallow (0–70 km)Reviewed by a seismologist
Updated 2026-09-02 12:45 UTC
The full record
- Magnitude
- M 3.5 · local (Richter) magnitude
- Location
- OFFSHORE ANTOFAGASTA, CHILE
- Local time at the epicentre
- Aug 28, 2026, 09:41 PM — UTC-4
- Time (UTC)
- 2026-08-29 01:41 UTC
- Depth
- 47.8 km · Shallow (0–70 km)
- Coordinates
- -21.050, -70.610
- 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
No populated places over 1,000 inhabitants are listed within 100 km of the epicentre.
Earthquake history in this area
12 earthquakes of magnitude 4.5+ have been recorded within 200 km of this epicentre since 1960, in Chile.
Other earthquakes near this epicentre
10 other events within 100 km in the last 30 days.
M 3.3 51 km SSW of Tocopilla, Chile
M 4.0 TARAPACA, CHILE
M 3.4 OFFSHORE TARAPACA, CHILE
M 3.0 OFF COAST OF ANTOFAGASTA, CHILE
M 3.3 TARAPACA, CHILE
M 3.2 57 km ENE of Iquique, Chile
M 3.0 41 km NNE of Alto Hospicio, Chile
M 3.2 TARAPACA, CHILE
M 3.8 TARAPACA, CHILE
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Frequently asked questions
How strong was the OFFSHORE ANTOFAGASTA, CHILE earthquake?
Magnitude 3.5 (local (Richter) magnitude), at a depth of 47.8 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?
Aug 28, 2026, 09:41 PM (local time at the epicentre — UTC-4). In universal time: 2026-08-29 01:41 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?
No populated places over 1,000 inhabitants lie within 100 km of the epicentre.
Are earthquakes normal in this area?
Yes. The largest earthquake recorded within 200 km since 1960 was magnitude 8.2 (93 km NW of Iquique, Chile, 2014), and 10 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.